596 BOTANY AND PHARMACOGNOSY. 



I. Leaves. — Continued. 



b. Not Very hairy. 



Margin entire Belladonnae Folia 



Margin sinuate Stramonii Folia 



II. Leaves and Flowering Tops. 



1. With composite flowers. 



Leaves reticulate Eupatorium 



Leaves resinous Grindelia 



2. With labiate flowers. 



A. Very hairy. 



Taste bitter Marrubium 



' B. Not very hairy. 



a. Margin slightly serrate. 



Leaves dark green, pubescent Hedeoma 



b. Margin serrate, midrib and veins 



somewhat rose- or purple-colored. 

 Taste aromatic, followed by a 



cooling sensation Mentha Piperita 



Taste aromatic Mentha Viridis 



3. Odor heavy, like that of tobacco. 



A. Margin entire. 



Purplish flowers, brownish berries Belladonnae Folia 



B. Margin not entire. 



Margin sinuate, surface hairy Hyoscyamus 



Petiolate, margin four-lobed, 



surface not hairy Stramonii Folia 



4. With inflated capsules. 



Leaf divisions with gland-like apex Lobelia 



III. Flowering Tops, leaves few. 



Compressed resinous masses Cannabis Indica 



IV. Stem Tops, leaves few. 



Branches with yellowish-green wings Scoparius 



V. Entire Plant. 



Stems cylindrical, leaves entire, capsule bicarpellary Chirata 



Stems square, leaves serrate, flowers bilabiate Scutellaria 



PILOCARPUS.— JABORANDL— The leaflets of various 

 species of Pilocarpus (Fam. Rutacese), shrubs (Fig. 157) indig- 

 enous to Brazil. There are three principal commercial varieties : 

 (i) Pernambuco Jaborandi, obtained from P. Jahorandi; (2) 



