CLASS I. INDIVIDUAL ABSOLUTE TERMS. 375 
18. Lens-shaped (lenticularis, lentiformis) ; resembling a double 
convex lens, as the seeds of Amaranthus. 
19. Buckler-shaped {scutatus, scutiformis)^ having the figure of 
a small round buckler, as the scales upon the leaves of 
Elaeagnus ; lens-shaped, with an elevated rim. 
20. Bossed (umhonatus) ; round, with a projecting point in the 
centre, like the boss of an ancient shield, as the pileus of 
many species of Agaricus. 
21. Gibbous (gihbus, gibbosus) ; very convex or tumid, as the 
leaves of many succulent plants ; properly speaking, this term 
should be restricted to solid convexities. 
22. t Melon-shaped (f meloniformis) ; irregularly spherical, with 
projecting ribs ; as the stem of Cactus melocactus : a bad 
term. 
23. Spheroidal (spheroideus) \ a solid with a spherical figure, a 
little depressed at each end. De Cand, 
24<. Ellipsoidal (ellipsoideus) ; a solid with an elliptical figure. 
De Cand. 
25. Ovoidal (ovoideus); a solid with an ovate figure, or resembling 
an egg. De Cand. 
26. Shield-shaped {clypeatus)\ in the form of an ancient buckler 
the same as scutate, No. 19. 
27. Spindle-shaped (^fusiformis, \fiismus)', thick, tapering to 
each end ; as the root of the long radish. Sometimes conical 
roots are called fusiform, but improperly. 
28. Terete, or taper (teres) ; the opposite of angular ; usually em- 
ployed in contradistinction to that term, when speaking of long 
bodies. Many stems are terete. 
29. Half terete (semiteres) ; flat on one side, terete on the 
other. 
30. Compressed (compressus) ; flattened lengthwise, as the pod 
of a pea. 
31. Depressed (c?eprm?As) ; flattened vertically, as the root of a 
turnip. 
32. Plane {planus) ; a perfectly level or flat surface, as that of 
many leaves. 
33. CnsYnonedi {pidvinatus) \ convex, or rather flattened : seldom 
used. 
34*. Discoidal (discoideus) ; orbicular, with some perceptible 
thickness, parallel faces, and a rounded border ; as the fruit of 
Strychnos Nux-vomica. 
35. Curved {arcuatus, curvatus) ; bent, but so as to represent the 
B B 4 
