CASSIACEAE. 59 



1 em. long, or less: petiolar gland obsolescent, compressed: stipules aculeate: 

 sepals 11-12 mm. long: standard 12-14 mm. long: pods copiously pubescent, 

 3-4 cm. long, 4 mm. wide. — Pinelands, L. keys.— (Cuba, Ant.) 



733. C. aspera (Muhl.) Greene. Stem copiously hirsute, erect or ascending: 

 leaflets 40-54 ; blades narrowly linear, 15 mm. long or less, acuminate : petiolar 

 gland slender, erect, elongate: stipules linear-lanceolate: sepals 5-7 mm. long, 

 sparingly long-hairy: standard somewhat reniform, crenate, only about i as 

 long as the large wing-petal: pod hirsute, 2.8 cm. long, 6 mm. wide. — Pine- 

 lands and edges of hammocks, L. keys. — [E. K.] — (Bah.) 



^ O'" 4. C. Simpsonii Pollard. Stem branching from the base, the branches pros- 

 trate, with scattered appressed or lax short hairs, or somewhat hirsute: leaflets 

 mostly 16-34; blades narrowly linear, 10 mm. long or less, often lustrous, gla- 

 brous or obscurely ciliolate, slightly veiny, each with a firm, often dark, spine- 

 like tip: leaf-rachis glabrous or with few short hairs, mostly devoid of glands, 

 except the obconic or clavate petiolar gland: stipules linear-lanceolate, glabrous 

 or nearly so: sepals 5-6 mm. long: standard obovate or flabellate, 4-7 mm. 

 long: pods linear, 2-2.5 cm. long, short-hirsute or glabrous. — Pinelands, L. 

 keys.— [E. K.] 



3. PAE.KINSONIA L. Shrubs or trees, with simple or branching thorns. 

 Leaflets numerous, borne on the phyllode-like rachises. Blades of the short- 

 clawed petals mainly of an ovate type. Pod markedly tortulose, the swollen 

 portions nearly terete. 



y '3 il. P. aculeata L. Shrub or small tree : leaves 2-4 dm. long, the rachis winged ; 

 leaflets numerous, distant, the blades linear to linear-oblanceolate, 1-10 mm. 

 long: se23als oblong, 8-10 mm. long: petals 10-17 mm. long; blades except that 

 of the standard, oval or ovate: pods 5-10 cm. long, acuminate. — Hammocks, 

 cultivated grounds and roadsides. Key West. Nat. of Trop. Am. — Horsebean. 

 Retama. Jerusalem-thorn. 



4. DELONIX Raf. Unarmed trees with smooth bark. Leaflets relatively 

 small and numerous: blades narrow. Sepals much shorter than the petals. 

 Blades of the petals mainly flabellate, all long-clawed. Pod elongate-linear, 

 flat, the valves woody. 



^ 1. D. regia (Boj.) Raf. Tree or shrub with a wide top: larger leaves ^ith 

 20-50 pinnae; leaflets numerous, the blades linear-oblong, 4-10 mm. long: 

 sepals 22-26 mm. long: petals 5-7 cm. long, red or orange; blades broader 

 than long, crisped: pods linear, commonly 3-5 dm. long. — Roadsides and cul- 

 tivated grounds, L. keys. — (Cuba, ^ni.)— Royal-poixciana. Flame-tree. 

 Peacock-flower. 



. . 5. CAESALPINIA L. Erect unarmed or slightly armed shrubs or trees. 

 Leaflets usually few and relatively large: blades rather broad. Sepals slightly 

 shorter than the petals. Blades of the short-clawed petals not flabellate, often 

 obovate. Pod flat, narrow, the valves leathery. Seeds flattened. 



^ -' 1. C. pauciflora (Griseb.) C. Wright. Shrub 2 m. tall or less: leaflets gla- 

 brous, mostly 6-12 on each pinnae; blades oblong to obovate, 6-12 mm. long: 

 sepals 8-10 mm. long: corolla mainly yellow; standard 8-10 mm. long: fila- 

 ments 8-11 mm. long: pods oblong-elliptic, 2-3.5 cm. long. — Pinelands, L. 

 keys. — {Cuba, Ant.) 



6. POINCIANA [Tourn.] L. Erect much-branched shrubs or trees. 

 Leaflets usually few and relatively large: blades rather broad. Sepals much 

 shorter than the petals. Blades of the petals, except the standard, flabellate. 

 Pod flat, narrow, the valves leathery. Seeds flattened. 



