348 



GENERAL FORM. 



[BOOK in. 



15. Cochleate (cochleatus) ; twisted in a short spire, so as to resemble the con- 



volutions of a snail-shell ; as the pod of Medicago coehleata. 



16. Turnip-shaped (napiformis) ; having the figure of a depressed sphere ; as 

 the root of the Turnip-Radish, &c. 



17. f Placenta-shaped (t placentiformis) ; thick, round, and concave, both on 



the upper and lower surface ; as the root of Cyclamen. 



18. Lens-shaped (lenticular is, 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 Elseagnus. 



20. Bossed (umlonatus) ; 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 (gibbus, gibposus) ; very convex or tumid ; as the leaves of many 

 succulent plants : this term should be restricted to solid convexities. 



22. f Melon-shaped (f meloniformis) ; irregularly spherical, with projecting 

 ribs ; as the stem of Cactus Melocactus : a bad term. 



23. Spheroidal (sphceroideus) ; a solid with a spherical figure, a little depressed 

 at each end. De Cand. 



24. Ellipsoidal (ettipsoideus) ; a solid with an elliptical figure. De Cand. 



25. Ovoidal (ovoideus) ; a solid with an ovate figure, or resembling an egg. 



26. Shield-shaped (clypeatus) ; in the form of an ancient buckler : the same as 

 scutate, No. 19. 



27. Spindle-shaped (fusiformis, f j 'minus) ; 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 employed in 

 contradistinction to that term, when speaking of long bodies. 



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 (depressus) ; flattened vertically ; as the root of a Turnip. 



32. Plane (planus) ; a perfectly level or flat surface ; as that of many leaves. 



33. Cushioned (pulvinatus) ; 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. 



