256 BOTANY 



Order 19. The Daphnads (Thymelseacese) include about 360 tough- 

 barked trees and shrubs (with a few herbs), mostly of the Southern 

 Hemisphere. 



Order 20. The Proteads (Proteaceae) are strange-looking evergreen 

 shrubs and trees (about 950 species), mostly natives of Anstralia and 

 South Africa. 



Order 31. The Laurels (Lauraceae) are aromatic trees and shrubs of 

 tropical and temperate climates. About 900 species are known. 



Series V. Kicrembryeae, — Perianth mostly wanting. Ovules few. 

 Embryo minute, in copious endosperm. 



Order 23 (Monimiacese), Order 33, the Nutmegs (Myristicacese), and 

 Order 34 (Cliloranthacese) are aromatic trees and shrubs of hot 

 climates, about 350 species in all. 



Order 24a. The Peppers (Piperacese) are herbs, shrubs, or small 

 trees, almost confined to the tropics; generally with a pungent and 

 aromatic principle. 'About 1000 speciis iue known. 



Series VI. MuUiovulatse terrestres. — P.erianth calyx-like. Ovary 

 mostly inferior. Ovules numerous. Endosperm present. Terres- 

 trial or parasitic plants. 



Order 35, the Birthworts (Aristolochiacese), Order 36, the Vine- 

 rapes (Cytinacese), curious parasites, and Order 37, the Pitcher- 

 leaves (Nepenthacese). with curiously formed pitcher-shaped leaves. 



Series VII. Multiovulatae aquatiose. — Perianth small or none. 

 Ovary superior (i.e., not united with tlie perianth). Ovules numerous. 

 Endosperm wanting. Aquatic herbs. 



Order 28, the Podostemads (Podostemacese), a small order, mostly 

 tropical. 



Series VIII. Cnrvembryeae. — Perianth green or colored. Ovary 

 superior. Ovules few. Seeds with endosperm, containing a curved 

 embryo. 



Order 39, the Buckwheats (Polygonacese), including 600 species. 

 Order 30 (Batideae), and Order 30a (Phylolaccacese) are mostly herba- 

 ceous, and mainly tropical. 



Order 31, the Chenopods (Chenopodiacese), 520 species of all 

 climates; Order 33, the Amaranths (Amaiantiiceael, nearly 500 species 

 of wide distribution ; Order 33 (Illecebracese) and Order 34 (Nyctagi- 

 nacese), 300 or more species, mostly tropical. All the orders of this 

 series (excepting No. 80) contain many weedy plants 



II. Gamopetal^. Gamopetalous Dicotyledons. 



Plants whose flowers generally have both sepals and petals, the 

 latter more or less united. 

 Here are grouped the orders containing plants showing the highest 



