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. 



^/t* 1. P. ctuinciuefolia (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 MAL VALES. 



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 sepals. Corolla of distinct petals. 

 Androeeium of numerous monadelphous or grouped stamens, or few in 

 BuETTNERiACEAE. Gynoecium of several distinct or united carpels. Fruit 

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



Stamens numerous (in our genera). 



Stamens distinct or in several groups : anthers 2-celIed. Pam. 1. Tiliaceae. 



Stamens monadelphous : anthers 1-celIed. Pam. 2. Malvaceae. 



Stamens as many as the sepals. Pam. 3. Buettneriaceae. 



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. Androeeium 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-like. 1. Corchoeus. 



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



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



"^ 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 obovate or rhombic-cuneate : capsule with 4 tooth-like beaks. 1. C. slUquosus. 

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



1. 0. 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., Cuba, Ant.) 



- 2. C. orinocensis 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.) 



