56 CLASSIFICATION OF VEGETABLE DRUGS 



ii. LEAVES 



(a) SIMPLE: 



a. Margin entire. 



Grey-green, lanceolately scythe-shaped, distinct marginal veins, 



coriaceous, feather- veined Eucalyptus, 368 



Dark green, obovate; midrib prominent, with a curved line on each 



side, Coca, 265 



Brownish-green above, pale below, ovate, tapering at the apex; 



midrib prominent, smooth with occasional perforations, 



Belladonnas Folia, 504. 

 Gray -green below, rather thick, obovate; smooth, dark-green, glossy 



above; lighter and reticulate below, Uva Ursi, 411 



b. Margin toothed, or crenate. 



Ovate-oblong, gray-green; veining prominent; soft, hairy, aromatic, 



Salvia, 492 

 Lanceolate; upper surface dull green, tesselated; under surface 



rough, prominently veined, meshed, Matico, 92, N.F. 



Obovate, dull yellowish-green, coriaceous, pellucid-punctate, sharply 



serrate, with gland at the base of each tooth, Buchu, 274 



Oblong-lanceolate; upper surface vanished, brownish-green; under 



surface, white, hairy, distinctly reticulate, Eriodictyon, 464 



Ovate-oblong; upper surface green, wrinkled, velvety; under surface 



hairy, prominent whitish meshes, Digitalis, 518 



Ovate-oblong, with large triangular crenations; gray-green, hairy; 



midrib prominent, lighter colored; odor heavy, narcotic, 



Hyoscyamus, 509 

 Ovate, with sharp-pointed teeth; smooth, brownish-green; midrib 



hairy, Stramonium, 507 



Oblanceolate, coriaceous, sharply serrate; upper surface dark green,. 



smooth, Chimaphila, 414, N.F. 



Ovate, nearly smooth, veins parallel from the midrib, 



Hamamelidis Folia, 199, N.F. 

 (6) COMPOUND: 



a. Margin entire, 

 Ovate, coriaceous, dull green; veins forming one or two wavy lines 



parallel to the margin, Pilocarpus, 275 



Lance-oval, gray-green, somewhat pubescent, odor peculiar, nause- 

 ous, Senna (Alexandria), 240 



12. LEAFY TOPS 



Branches quadrangular; leaves in four rows, scale-like, imbricated, 

 with shallow groove on the back, Sabina, 19. 



13. PLANT HAIRS AND GLANDULAR OUTGROWTHS 



Subglobular, minute, yellowish-brown granules; resinous; under 

 the microscope, hood-shaped, Lupulinum, in, N.F. 



Fine powder, pale yellow, not wetted by water; under the micro- 

 scope, tetrahedral, Lycopodium, i& 



Hairs of seed long, white (see seed covering), Gossypium, 344 b 



Styles and stigmas, fine silky hairs (see also seed coverings), 



Zea, 40, N.F. 



14. FLOWERS AND PARTS OF FLOWERS 



(a) FLOWERS AND BUDS: 



a. Racemose or cymose inflorescence. 

 Sepals five, reddish, veined; petals small, hairy, 



Brayera (cusso), 222, N.F. 



b. Compound flower-heads. 



Oblong-ovoid, unexpanded, small; smooth, somewhat glossy, 

 greenish-brown scales Santonica, 601 



Petals united; rays long, white; disk-flowers numerous, short, 

 yellow, tubular; receptacle hollow, naked, Matricaria, 599 



