CASSIACEAE. 47 



Pods short- and stout-stipitate : corollas less than 3 cin. wide : leaflet-blades of an 



ovate or lanceolate type. 



Petiolar gland elongate, near the base of the rachis. 1. C. ligustrina. 



Petlolar gland short, between the lower pair of leaflets or 



near it. 2. C. bahamettsis. 



Pods long- and slender-stipitate : corollas over 3.5 cm. wide : 



leaflet-blades of an oblong or obovate type. 3. C. biflora. 



1. C. ligustrina L. Shrub 6-20 dm. tall, nearly glabrous: leaflets 12-16; 

 blades lanceolate to elliptic- lanceolate or linear-lanceolate, 2-6 cm. long: 

 petiolar gland at the base of rachis, elongate, stipitate: stipules linear-lanceo- 

 late: sepals 9-12 mm. long, the larger ones obovate: petals 13-16 mm. long, 

 rather uniform in shape: pods curved, flat, prominently margined, 7-8 mm. 

 wide. 



Hammocks, pen. Fla. (W. I.) 



2. O. bahamensis Mill. Shrub 2 m. tall or less: leaflets 6-10; blades sub- 

 coriaceous, ovate or oblong-ovate, mucronate, 1.5-4 cm. long: petiolar gland 

 depressed, between lower pair of leaflets or near it: stipules ovate to lanceo- 

 late: sepals 7-12 mm. long: petals 10-15 mm. long, or sometimes smaller: 

 pods flat, with lateral depressions between the seeds, 9-11 cm. long, 5 mm. wide. 



Pinelands, E. Keys and F. Keys. (W. I.) 



3. C. biflora L. Shrub 1.5 m. tall or less: leaflets 4-10; blades coriaceous, 

 oblong to obovate, rnucronulate, 4 cm. long: petiolar gland stipitate, slender, 

 between lower pair of leaflets, or sometimes additional glands between the 

 other pairs: stipules setaceous: sepals 6-10 mm. long: petals 19-26 mm. long, 

 rather prominently clawed : pods falcate, narrowly linear, 9 cm. long, 5 mm. 

 wide. 



Woods and roadsides, pen. Fla. (W. /.) 



3. PABKINSONIA [Plum.] L. Shrubs or trees, with simple or branch- 

 ing 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. 



1. 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: sepals 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. HORSEBEAN. 

 JERUSALEM-THORN. 



Roadsides and hammocks, pen. Fla. and the F. Keys. Nat. of trop. Am. 

 (Cont., W. I.) 



4. DELONIX Eaf. Unarmed shrubs or spreading trees. Leaflets rela- 

 tively 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.) Eaf. Shrub or tree with a wide top: larger leaves with 

 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. KOYAL-POINCIANA. 

 FLAME-TREE. PEACOCK-FLOWER. 



Hammocks, plnelands, and roadsides, s. pen. Fla. and the F. Keys. Nat. of 

 Madagascar. (W. I.) Spr. 



5. POINCIANA [Tourn.] L. Erect mostly unarmed shrubs or trees. 

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

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

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



