48 FABACEAE. 



1. P. pulcherrima L. Shrub or small tree: leaflets numerous; blades oblong 

 to cuneate, 15-25 mm. long: sepals 15-16 mm. long: corolla mainly red; 

 standard 25-27 mm. long: filaments 40-45 mm. long: pods 9-13 cm. long. 

 BARBADOS-FLOWER. DWARF-POINCIANA. 



Hammocks and pinelands, s. pen. Fla. and the F. Keys. Nat. of the W. I. 



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

 Leaflets usually few and relatively large: blades 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 pinna; 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, F. Keys. (W. I.) 



7. GUILANDINA L. Eeclining or spreading prickly shrubs. Leaflets 

 relatively few or numerous and large: blades broad. Sepals as long as the 

 petals or nearly so. Blades of the narrow petals mainly spatulate. Pod nearly 

 as wide as long, turgid. Seeds turgid. NICKER. 



Leaves with foliaceous stipules : seeds gray or lead-colored. 1. O. Crista. 



Leaves without stipules : seeds yellow. 



Leaflet-blades neither rounded nor retuse : corolla 2.5 cm. wide 



or more. 2. G. Bonduc. 



Leaflet-blades rounded or retuse : corollas 1.5 cm. wide or less. 3. G. ovalifolia. 



1. G. Crista (L.) Small. Straggling or spreading shrub: leaflets numerous; 

 blades ovate, oblong-ovate, or nearly oblong, 1.5-3.5 cm. long, nucronate: 

 racemes or panicles 1-4 dm. long: sepals 9-11 mm. long, mostly obtuse: petals 

 dull-yellow, the narrower ones 10-13 mm. long, truncate and 3-toothed at the 

 apex: pods oval or oval-oblong, 5-7 cm. long. GRAY-NICKER. 



Hammocks and coastal sand-dunes, E. Keys and F. Keys. (W. I.) 



2. G. Bonduc L. Plants similar to G. Crista in habit, but leaflets relatively 

 larger: sepals mostly acute: narrower petals rounded and merely uneven at the 

 apex. YELLOW-NICKER. 



Coastal sand-dunes and shore-hammocks, E. Keys and F. Keys. (IT. /. ) 



3. G. ovalifolia (Urban) Britton. Straggling shrub with curved or hooked 

 prickles, the foliage minutely pubescent. Leaves 1-2 dm. long or more, the 

 leaflets numerous, the blades oval or suborbicular, varying to ovate or obovate, 

 mostly 1-2 cm. long, rounded or retuse, and mucronate at the apex: racemes 

 1.5-2 dm. long: bracts spreading: corolla light yellow, less than 1.5 cm. wide: 

 pods obovate, 6-8 cm. long, prickly all over: seeds yellow or yellowish. 



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



FAMILY 10. FABACEAE. PEA FAMILY. 



Herbs, shrubs, trees, or vines. Leaves alternate: blades 1-compound, 

 sometimes 1-foliolate, or rarely simple. Flowers mostly perfect, irregular. 

 Calyx of 5 more or less unequal partially united sepals. Corolla of 5 (or 

 of 1 petal in Amorpha) unequal distinct or nearly distinct petals which 

 are, 2 keel-petals, 2 wings and 1 standard which surrounds the others. 

 Androecium of 10 monadelphous, diadelphous, or rarely distinct stamens, 

 or rarely 9 or 5. Gynoecium 1-carpellary. Ovary superior. Fruit a 

 dehiscent or indehiscent legume or a loment. 



Stamens 10: filaments distinct. Tribe I. SOPHOREAE. 



Stamens 10 or fewer : filaments monodelphous or dia- 

 delphous. 



