ASARACEAE. 179 



Order ARISTOLOCHIALES. 

 Herbs, shrubs, or vines. Leaves alternate : blades mostly cordate or 

 hastate. Flowers perfect, often conspicuous. Hypanthium mostly ad- 

 nate to the ovary. Calyx regular or vei-y irregular. Corolla wanting or 

 rudimentaiy. Androecium of as many stamens as there are calyx lobes 

 or more. Gynoecium of usually G united carpels. Fruit a capsule. 



Family 1. ASARACEAE. Birthwort Family. 



Perennial herbs, shrubs, or vines. Leaves alternate : blades sometimes 

 lobed, generally cordate. Flowers perfect, regular or very irregular. 

 Calyx usually colored, the tube often bent or inflated. Androecium of 

 6-many stamens. Gynoecium of 4—6 united carpels. Ovary mostly in- 

 ferior. Fniit capsular. 



1. AEISTOLOCHIA [Tourn.] L. Caulescent herbs, shrubs, or vines. 

 Leaves with narrow or broad blades. Flowers irregular, often S-shaped, or 

 resembling a dutch-pipe, the calyx often eoralloid. Hypanthium often ribbed. 

 Ovary inferior. Styles united into an angletl column. Capsules pendulous. 



1. A. pentandra .Taoq. Stems reclining and twining: leaf-blades ovate, 4-10 

 cm. long: hypanthium minutely pubescent: calyx nearly straight, the limb 

 narrow, nearly erect: capsules globular, 15-20 mm. long, wing-angled. — 

 Coastal hammocks. — F. K. (Bah., Cuba.) 



Order CAMPANULALES. 

 Herbs, or rarely shi-ubs or trees. Leaves mainly alternate: blades 

 simple, entire, or divided. Flowers perfect, monoecious, or dioecious, 

 sometimes irregular. Hypanthium well-developed. Calyx of several dis- 

 tinct or partially united sepals. Corolla of several distinct or paiiially 

 united petals. Androecium of 1-5 stamens. Anthers distinct or connate. 

 Gynoecium of 1-several united carpels, the ovary wholly or partially 

 inferior. Fruit capsular, baccate, or dmpaceous. 

 Endosperm wanting: flowers monoecious or dioecious: plants mainly vines. 



Fam. 1. CUCUEBITACEAB. 



Endosperm present : flowers perfect or mainly so. 



Corolla regular. Fam. 2. Campanulaceae. 



Corolla split on one side and otherwise more or less 

 irregular. 

 Stigma not indusiate : stamens united by either the 



anthers or filaments or both. Fam. 3. Lobeliaceae. 



Stigma indusiate : stamens distinct or rarely united 



by the anthers. Fam. 4. Brunoxiace.^e. 



Family 1. CUCURBIT ACE AE. Gourd Family. 



Vines, usually tendril bearing. Leaves alternate : blades palmately or 

 pedately veined, and commonly lobed. Flowers monoecious or dioecious. 

 Calyx of 4 or 5, or rarely 6, distinct or partially united sepals. Corolla of 

 4 or 5, or rarely 6, distinct or partially united petals, sometimes adherent to 

 the calyx. Androecium of 3 stamens (2 anthers 2-colled and 1 anther 

 1-celled), or rarely of 1, 2, 4 or 5 stamens. Filaments sometimes imited. 

 xVnthers straight or bent. Gynoecium 1-several-carpellary. Styles united. 

 Fruit a fleshy or partially dry berry. 



