Amentum or catkin of Hazel (Corylus Avellana), consisting of an axis or rachis covered with bracts in the form of scales, each of which covers a male flower, the stamens of which are seen projecting beyond the scale.
The catkin falls off in a mass, separating from the branch by an articulation.
Catkin bearing nut trees, such as the walnut, have a refined structure that makes grafting difficult.
Tables 2 to 5 contain the mean of these estimates and a considerable variation in catkin hardiness in the different populations is evident.
Hardiness of catkin also varied greatly and rather consistently from year to year.
It was here that the records of yields and catkin hardiness were valuable.
Defn: A catkin or ament; the flower cluster of the hazel, pine, willow, and the like.
The catkin or strobilaceous fruit of the hop, much used in brewing to give a bitter taste.
The catkin falls off entire, separating from the branch by an articulation.
Catkin of Hazel (Corylus Avellana), consisting of an axis covered with bracts in the form of scales, each of which covers a male flower, the stamens of which are seen projecting beyond the scale.
The capsules or seed-vessels of the fertile catkin are round, and contain a pure white cottony down, in which the seeds are enveloped.
Barren flowers in a cylindrical catkin with ternate scales.
Fruit an elongatedcatkin with large leaf-like bracts; bark close, gray, on a grooved trunk 87.
All the dry, scaly fruits, usually formed by the ripening of some sort of catkin of flowers, will be included under the term cone.
Fruit an open oval woodycatkin or cone, remaining on the plant through the winter 84.
Fruit a leafy-scaled catkin or cone, hanging on till autumn.
The scales which form the female catkin are of a whitish green; the bractea on the back is slightly reddish on its upper side; and the stigma, which has two points, is of a bright red.
Each catkin is not more than half an inch long, on a very short peduncle, and with a rounded denticulated crest.
The fruits are shed in the autumn, but the thickened woody bracts of the female catkinremain on the tree till, and even after, the flowers of the following spring are in bloom.
Look at that painted butterfly swinging on the honey-laden catkin there.
When that hour was come my friend tiptoed again to my cheek, and then, pointing to the palace and laughingly hoping fate would send me a bride "as soft as catkin and as sweet as honey," slipped away into the darkness.
The catkin begins to take on a brownish color and at length the whole catkin, in case it is staminate, drops off.
The individual flowers are arranged on the catkinaxis as in the normal flowers (Fig.
Fertile flowers in a short spike forming a membranaceous catkin in fruit.
Not a single live catkin was found in the spring on the 66 filbert varieties in this orchard.
The importance of exposure to winds as a factor in causing catkin killing is further shown by a comparison of catkin killing in the two filbert orchards at Geneva.
Not a single peach blossom survived but three filberts bloomed with only slightly more than the usual amount of catkin killing.
Catkin killing was very severe in both orchards and only those varieties which had a few live catkins are listed.
The Taylor every year sets a bunch of young nutlets, but I have never yet seen a catkin on it.
Wood injury, catkin injury, and pistil injury will be treated separately.
Trees in the partially protected orchard fared somewhat better in regard tocatkin injury than those in the more exposed orchard.
In the younger orchard which is exposed to the full sweep of the west wind not a catkinsurvived on any of the 66 varieties in that orchard.
So far as I have been able to judge, the most ornamental of the Willows in catkin time is Salix smithiana, known also as S.
Varieties from this group and the third group should be used as pollinators and as parents in breeding work to develop catkin hardy varieties.
Winter killing of the wood has not been as extensive nor as serious as catkin killing.
It is one of the largest in the Station collection, is a bright light brown in color with slightly darker stripes, and last winter experienced very little catkin injury and no wood injury.
The latter variety is catkin hardy and should be in every planting.
In a normally cold winter catkin killing as a rule is not very serious, except on a few tender varieties.
In the fourth group are those with less than 20 per cent of catkin injury.
Although catkin killing was so serious at Geneva, S.
Catkin killing does not seem to be due to extreme cold during the winter and rarely are the catkins injured before late February or early March.
Hardiness of wood and catkin is of prime importance and to develop varieties satisfactorily in these respects those varieties that have proved hardy are being crossed with different sorts that have desirable nut and tree characters.
Graham of Ithaca, who is growing a number of varieties on an exposed location where winters are more severe than at Geneva, reports that his trees suffered less catkin injury than at any time since he has been growing them.
In the varieties suffering such severe catkin injuries, much of the wood was killed, but this will be treated separately.
Pollen which gave a 91% germination on the standard medium showed only 50% germination on this catkin extract.
Preliminary Studies on Catkin Forcing and Pollen Storage of Corylus and Juglans L.
Gries 52 Possible Black Walnut Toxicity on Tomato and Cabbage--Otto Reinking 56 Preliminary Studies on Catkin Forcing and Pollen Storage of Corylus and Juglans--L.
Leitneria floridana the upper scales of the male catkin occasionally subtend an ovary.
Unless you help us," I said, "this Hazel Catkin or Hairy Bittercress will ruin at least four promising young lives.
The male catkin may be known in May by its numerous anthers and pale yellow pollen.
The female catkin is more slender, the flowers each containing a smooth ovary, ending in a short style that divides into two curved stigmas.
The male catkin is almost round, a quarter of an inch across, and contains about half a dozen yellow anthers, the base surrounded by dry overlapping scales.
The upper part of this catkin consists of male flowers, each with a number of stamens enclosed in a perianth or calyx of five or six green leaves.
A catkin or ament; the flower cluster of the hazel, pine, willow, and the like.
The male flowers are produced round a central axis, but so far apart as hardly to be like a catkin (see a in fig.
When the fruit is ripe, the numerous capsules that surround the globular catkin burst, and the seeds, which are winged, are scattered by the wind.
The Posey and Giles varieties, both of which are usually heavy bloomers of Stamen bloom, failed to set a single catkin this spring, while trees of other varieties growing near them set heavy crops of catkin bloom.
The pistillate catkin matures into a woody cone made of overlapping scales attached to a central stem.
The cherry birch has dark, irregularly checked bark like the wild cherry, but the oval, pointed leaf, the catkin flowers, and the cone fruits of its family.
Here these trees are numerous, crouching under oaks, their twisted branches ending in drooping twigs, bearing the characteristic pale green hops in autumn, small oval leaves, and the catkin flowers in spring.
Then, of course, after the last tiny blossom has faded and the last catkin has withered, the leaves push forth.
The remainder of the catkin bears male flowers similar to those on the all-male catkins.
This change readily shows that pollen is shedding, which may be confirmed by touching such a catkin with the tip of the finger, and noting the yellow pollen that adheres, or rises in a tiny cloud.
The staminate bud that forms the pollen-producing catkin of the next season, can be distinguished by its checkered appearance, something like a tiny pine cone.
Point a finger at Peridon, you run Catkin through the body.
Peridon and Catkin pertained to their genial picture of the dear sweet nest in life; a dale never traversed by the withering breath they dreaded.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "catkin" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: ament; cone; head; spike
