TILIACEAE. 89 



ovoid or ovoid, abruptly pointed, 5-7 mm. in diameter, dark-purple [C. acida 

 L.] — Coastal hammocks, U. keys, L. keys.-^[E. K.] — {Bah., Cuba, Ant.) 



3. PAHTHENOCISSUS Planch. Vines, the tendrils often disk bearing. 

 Leaf-blades digitately compound. Flowers in compound cymes. Petals spread- 

 ing. Berries inedible. 



1. P. quinquefolia (L.) Planch. Leaflets 5; blades usually thinnish, oval, 

 elliptic, or oblong, the lateral ones inequilateral, coarsely serrate above the 

 middle: berries 8-9 mm. in diameter, deep-blue with a scant bloom, often quite 

 pulpy. — Hammocks, U. S. keys, L. keys. — [E. K.] — {Ber., Bah., Cuba.) — 

 Virginia-creeper. American-ivy. 



Order MALVALES. 



Herbs, shrubs, or trees. Leaves alternate or opposite : blades simple, 

 often lobed and toothed. Flowers mostly perfect, regular and involucrate. 

 Calyx of distinct or partially united sei:)als. Corolla of distinct petals. 

 Androecium of numerous monadelphous or grouped stamens, or few in 

 BuETTNERiACEAE. Gynoecium of several distinct or united carpels. Fruit 

 capsular, follicular, beriy-like, or nut-like. 



Stamens numerous (In our genera). 



Stamens distinct or in several groups : anthers 2-celled. Fam. 1. Tiliaceae. 



Stamens monadelphous : anthers 1-ceIled. Fam. 2. Malvaceae. 



Stamens as many as the sepals. Fam. 3. Bdettnekiaceab. 



Family 1. TILIACEAE. Linden Family. 



Shrubs, trees, or rarely herbs. Leaves mostly alternate : blades simple. 

 Flowers usually perfect. Calyx of 4 or 5 sepals. Corolla of 4 or 5 petals 

 which sometimes bear petaloid scales at their bases. Androecium of 

 usually numerous stamens, sometimes as many or twice as many as the 

 sepals. Gynoecium of 2-several united carpels. Fruit capsular, nut-like, 

 or berry-like. 



Petals inserted with the stamens : capsule often silique-llke. 1. Coechoeus. 



Petals inserted below the stamens, at the base of an elevated 



receptacle : capsule subglobose, bur-like. 2. Teiumfetta. 



1. CORCHORUS [Tourn.] L. Herbs or small shrubs. Leaf -blades serrate. 

 Sepals 5, or rarely 4, unappendaged at the tip. Petals 5 or rarely 4, naked at 

 the base, larger than the sepals. Anther-sacs contiguous. Ovary elongate. 

 Ovules numerous. Capsule many-seeded. 



Petals ohovate or rhombic-cuneate : capsule with 4 tooth-like beaks. 1. C. siUquostis. 

 Petals spatulate to linear-spatulate : capsule with a single beak. 2. C. orlnocensis. 



1. C. siliquosus L. Stems often widely branched: leaf-blades oval-ovate or 

 oblong-lanceolate, 1-5 cm. long : capsules 5-8 cm. long, the body truncate at the 

 apex. — Hammocks, L. keys. — [E. K.] — {Bah., Ciiha, Ant.) 



2. C. orlnocensis H.B.K. Stems usually sparingly branched : leaf -blades oblong 

 to lanceolate, 2-5 cm. long: capsules 4^5 cm. long, not truncate at the apex. — 

 Hammocks and waste places, L. keys. Nat. of Trop. Am. — [E. K.] — {Cuba, 

 Ant.) 



