118 TILIACEAE. 



5. PARTHENOCISSUS Planch. Yiues, the tendrils often disk bearing. 

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

 ing. Berries inedible. 



1. P. quinquefolia (L.) Plauch. 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. — F. K. (Ber., Bah., Cuba.) — Virginia-creeper. Ameri- 

 can-ivy. 



Order MALVALES. 



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

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

 Calyx of distinct or partially united sepals. Corolla of distinct petals. 

 Androecium of numerous monadelpbous or gTOuped stamens, or few in 

 BuETTNERiACEAE. Gynoecium of several distinct or united carpels. Fruit 

 <?ai3sular, follicular, beriy-like, or nut-like. 



Stamens numerous (in our genera). 



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



Stamens monadelpbous : anthers 1-celled. Fam. 2. Malvaceae. 



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



FAiiiLY 1. TILIACEAE. Lixden FAiiiLV. 



Sbnibs, trees, or rarely berbs. Leaves mostly alternate : blades simple. 

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

 wbicb sometimes bear petaloid scales at tbeir bases. Androecium of 

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

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

 or beriy-like. 



Petals inserted with the stamens : capsule often silique-like. 1. Coechords. 



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 obovate or rhombic-cnneate : capsule with 4 tooth-like beaks. 1 . C siliijiiofnis. 

 Petals spatulate to linear-spatulate : capsule with a single beak. ~. C. orhiucciisiK. 



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. — F. K. (Bah., Cuba, A7it.) 



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

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

 Hammocks and waste places. Nat. of Trop. Am. — F. K. {Cuba, Ant.) 



2. TRIUMFETTA [Plum.] L. Herbs or shrubs. Leaf-blades mostly 

 toothed and lobed. Sepals 5, often appendaged at the tip. Petals 5, each with 

 a pit at the base, often shorter than the sepals, or rarely wanting. Anther- 

 sacs contiguous. Ovary globular. Ovules few. Capsules few-seeded. 



1. T. semitriloba Jacq. Plants stellate-tomentose, 1-2 m. tall: leaf-blades 

 ovate, rhombic, or suborbicular, serrate, angulate or 3-lobed, 3-8 cm. long: 

 sepals linear, 5-6 mm. long, or longer: petals cuneate-spatulate or linear- 



