66 FABACEAE. 



ones uuited above the middle: standard 6.5-7 mm. long: pods 25-30 mm. long. 

 — Hammocks, U. keys, L. keys. — {Bah., Ciiba, Ant.) 



4. D. cinereus (Nash) Yail. Stems cinereous-pubescent: leaflets 1-3 cm. long; 

 blades obliquely orbicular to ovate-orbicular or depressed : lateral calyx-lobes 

 lanceolate, markedly shorter than the lower one; lobes of the upper calyx-lip 

 lanceolate: standard 6-7 mm. long: pods 14-17 mm. long. — Pinelands, L. keys. 

 -[E. K.] 



14. CAJAN Adans. Partially woody herbs. Leaflets 3. Racemes few- 

 several-flowered. Calyx somewhat 2-lipped, the upper lobes partially united. 

 Corolla yellow or mainly so : blade of the standard suborbicular, sharp-auricled 

 at the base : blades of the wings rather prominently, but unequally auricled on 

 each side: blades of the keel-petals broad at the apex. Pod turgid, elongate. 



1. C. Cajan (L.) Millsp. Plants 3-30 dm. tall, velvety-tomentose : leaflets 

 mainly 4-12 cm. long; blades narrowly elliptic or oblong, acute or short- 

 acuminate, pale and prominently veined beneath: calyx 8-14 mm. long: 

 standard-blade 16-20 mm. long: pods narrowly oblong to linear-oblong. — 

 Pinelands and cultivated grounds, U. keys, L. keys. Nat. of Old World 

 Tropics. — [E. K.] — {Bah., Cu'ba, Ant.) — Congo-pea. Pigeon-pea. 



15. ERYTHKINA L. Herbs, shrubs, or trees. Leaflets 3. Eacemes 

 several-many-flowered. Calyx obliquely truncate. Corolla red, scarlet, or 

 crimson: standard conspicuous, erect, narrowed upward: wings and keel- 

 petals very small, nearly equal in size, the blades short-clawed. Androecium 

 exserted: filaments united to about the middle or slightly above it. Pod 

 torulose. 



1. E. arborea (Chapm.) Small. Shrub, or tree 3-8 m. tall: blades of the leaf- 

 lets deltoid to hastate: racemes few-flowered: calyx cyliudric: standard 35-40 

 mm. long; blade about 1 cm. wide; wing-petals 11-12 mm. long: pods 9-13 

 em. long: seeds scarlet. — Hammocks, L. keys. — [E. K.] — Coral-bean, 



16. GAIjACTIA P. Br. Vines, or erect partially woody plants. Leaflets 

 3, or rarely 1, 5, or 7. Panicles raceme-like. Calyx 2-lipped, the lobes relatively 

 long. Corolla violet red, or white: standard erect or spreading: wings and 

 keel-petals with relatively short claws. Pod turgid, elongate. — ^Iilk-pea. 



Standard not striped : upper calyx-lobe triangular to lanceolate. 



Stem and branches reclining or prostrate. 1. G. floridana. 



Stem and branches twining. 2. (/. lun rifnUn. 



Standard striped : upper calyx-lobe broadly ovate. ■■{. O. spiciformis. 



1. G. floridana T. & G. Stems hoary-pubescent: leaflets 1.5-4.5 cm. long; 

 blades oval or oblong-oval: flowers scattered nearly the length of the rachis: 

 calyx 7-8 mm. long; lateral lobes acuminate: keel-petals 10-11 mm. long: pods 

 4-5 cm. long. — Pinelands and hammocks, U. keys, L. keys.— [E. K.] 



2. G. parvlfolia A. Eich. Stems minutely pubescent: leaflets mostly 1-4 cm. 

 long; blades various, linear, varying to broadest above or below the middle, 

 or those of the lower leaves broader, varying from ovate or oval to obovate, all 

 thin or thinnish, usually faintly veined: calyx 5-8 mm. long: keel-petals 6.5-8 

 mm. long: pods 3.5-4.5 mm. long. — Pinelands and hammocks, L. keys. — [E. K.] 

 ~{Cuha.) 



3. G. spiciformis T. & G. Stems retrorse-pubescent : leaflets 2.5-8 cm. long; 

 blades oblong, oblong-oval, or elliptic: calyx 5-6 mm. long: standard 9-10 

 mm. long; blade auricled at the base: keel-petals 8-9 mm. long: pods 4-5 cm, 

 long. — Hammocks and pinelands, U. keys, L. keys, L. S, keys, — [E, K,] — 

 {Bah., Cuba.) 



