388 ANEXPLANATION OF 
249 Convexum, convex, oppofite to concave: thefe two Terms 
arife from the fame Caufe, the Margin being too Tight 
for the Expanfion of the Difk; therefore if a Leaf is con- 
cave on one Side, it is convex on the other. 
250 Cucullatum, hollowed, when the Sides of a Leaf prefs to- 
gether at the Bafe, and expand towards the Apex. 
251 Plicatum, plaited, folded in fharp Flexures from the Difk 
to the Margin. 
252 Undatum, waved, the Flexures or Folds being obtufe from 
the Dik to the Margin. 
253 Crifpum, curled, where the Margin is plaited, but the Folds 
do not reach to the middle Rib of the Difk. 
SussTANcE. 
254 Membranaccum, fkinny, pellucid, without any flefhy Sub- 
ftance. 
255 Scariofum, of a dry parched Subftance, that founds when 
touched, 
256 Gibbum, gouty, when both Sides of a Leaf is bunched ont 
by a copious Quantity of Pulp. 
257 Teres, cylindrical, or pillar-fhaped. 
258 Depreffum, more pulpy in the Dik, and flatted towards the 
Sides. 
259 Compreflum, more flatted in the Difk, and pulpy towards 
the Sides. 
260 Carinatum, carinate, the lower Part of the Difk prominent 
lengthwife. 
261 Compactum, compatt, of a folid Subftance. 
262 Tubulofum, tubulous, the Infide hollow without Pith. 
263 Pulpofum, pulpous, of a flefhy pulpy Subftance, 
264 Carnofum, flefhy, the Infide of a folid Pulp. 
265 Triquetrum, triquetrous, three-cornered lengthwife. 
266 Anceps, two-angled or edged lengthwife. : 
267 Lingulatum, Tongue-fhaped, linear, flefhy, the lower Side 
convex. 
268 Enfiforme, {word-fhaped, doubled-edged, gradually leflening 
from the Bafe to the Point. 
269 Subulatum, febulate, linear at the Bafe, and fmaller to- 
wards the Point. 
270 Acinaciforme, {cymitar-fhaped, flefhy, and compreffed, one 
Side convex fharp, the other ftraight and thicker. | 
271 Dolabriforme, hatchet-fhaped, compreffed and half round, 
gibbous outward, the Edge fharp, the lower part rounded, 
Duration. , 
272 Deciduum, deciduous, finifhed, and falling off in one 
Summer. 
273 Caducum, cadent, falling off, fhort Duration, not abiding 
through the Summer. 
374 Pers 
