The limbs are marked by dark transverse bands, usually threeon the forearm, three on the thigh, and three or four on the shank.
The hind limbs are marked by dark transverse bands, usually three or four each on the thigh and shank, and two or three on the tarsus.
The dorsal surfaces of the limbs are marked by dark brown transverse bars; usually three or four bars are present on each forearm, thigh, and shank.
Usually three nuts in each bur, the center one flattened by compression, the two outer ones plano-convex.
Usually three nuts in a bur, and sometimes four or five, but I do not consider this increase in number a merit in any variety, for where there are more than three they are likely to be of small size and very much deformed.
The bell-shaped flowers have unequal stamens, usually three, on the receptacle.
Alpine plant, forming dense leafy mats, easily recognized by the broad tips of the leaves being cut into lobes, usually three.
The form of the radial spines composing the skeleton is usually three-sided prismatic, gradually tapering from the thicker central base towards the distal apex; sometimes they are slender pyramidal.
Small circular pores in transverse rows and in variable number; usually three rows in the first and the last joint, five rows in the fourth joint, four rows in each of the other joints.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "usually three" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
