CASSIACEAE 587 
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Leaf-blades 40-54-foliolate. 12. C. aspera. 
Leaf-blades 16-24-foliolate. 13. C. Simpsonii. 
b. Plants glabrate or merely puberulent. 
Leaflets 20-25 pairs, the blades narrowly linear. 14. C. multipinnata. 
Leaflets 6-14 pairs, the blades broadly liñear. 15. C. nictitans. 
1. Chamaecrista grámmica (Spreng.) Pollard. Plant erect, branching. Stem 
herbaceous or suffruticose at base, densely pubescent: leaflets 6-16, the blades elliptical or 
subobovate, mucronate, subcoriaceous, canescent beneath, 1 cm. long, 3 mm. wide: 
petiolar gland obsolescent, sessile, compressed : stipules aculeate: peduncles 1-flowered : 
flowers large: pods pubescent, linear, mucronate, 3-4 cm. long, 4 mm. wide: seeds few. 
In sand, Florida Keys. Alsoin Cuba. 
2. Chamaecrista Mississippiénsis Pollard. Plant decumbent, branching, suffruti- 
cose. Stem glabrous: leaflets 18-28, the blades subcoriaceous, pubescent, small, elliptical 
or obovate, mucronate, basally asymmetrical, 5 mm. long, 1-1.5 mm. wide: petiolar 
gland minute, cupuliform, sessile: stipules linear, membranaceous, persistent : peduncles 
1 em. long, axillary, 1-flowered : flowers large: calyx-lobes lance-linear, slightly pubes- 
cent, not surpassing the petals: pods linear, sparsely pubescent, 2.5 cm. long, 4 mm. wide: 
seeds 4 or 5, ovoid, rather large. 
In sandy soil, Alabama and Mississippi. : 
3. Chamaecrista cinérea (Cham. & Schlecht.) Pollard. Plant suffruticose. Stem 
branching, puberulent: leaflets 20-40, clothed with cinereous pubescence, the blades 
narrow, linear-faleate, acute, 1 cm. long, 2 mm. wide: petiolar gland small, cupuliform, 
stipitate: stipules filiform or linear: peduncles 1-2-flowered, rather short, axillary or 
supra-axillary : flowers large: pods linear, pilose or sparsely pubescent, prostrate, some- 
what elongated, 5-5.5 cm. long, 5 mm. wide. 
In dry ground, Texas and Mexico. 
4. Chamaecrista brachiàta Pollard. Plant 1 m. high or less. Stem tough, freely 
branching, glabrate : leaflets 20-28, the blades linear, glabrous on both surfaces, the mid- 
vein somewhat excentric, the obtuse apex tipped with a slender cusp: petiolar gland very 
much depressed, discoid : stipules lanceolate, acuminate, striate, and strongly persistent : 
flowers large, 3 cm. in diameter, the broad yellow petals considerably exceeding the 
lanceolate scarious calyx-lobes : pods linear, 6-7 em. long, quite glabrous when mature: 
seeds quadrate, oblong, compressed on both sides. 
In sandy pine Jands, peninsular Florida. 
5. Chamaecrista procumbens (L.) Greene. Plant prostrate. Stem branching 
from a fruticose base : leaflets 18-24, pubescent, the blades very small, linear, acutely sub- 
faleate, 5 mm. long, 1 mm. wide, on a stout rachis: petiolar gland minute: stipules 
cordate, foliaceous : peduncles rather long, 1-flowered, axillary: flower large: pods linear, 
puberulent, somewhat crisped, with prominent sutural margins, 3.5’cm. long, 4 mm. wide. 
In dry soil, Texas and Mexico. 
6. Chamaecrista fasciculata (Michx.) Greene. Plant erect or spreading. Stem 
herbaceous, glabrous: leaflets 16-28, the blades oblong-elliptical, acute or mucronate, 1.5 
em. long, 3 em. wide: petiolar gland sessile, compressed, truncate: stipules lance-linear, 
membranaceous : peduncles numerous, supra-axillary, 3-5-flowered : flowers large: sepals 
membranaceous, lanceolate, equalling or exceeding the petals: pods elongated-linear, 
subrostrate, pubescent, 5 cm. long, 5 mm. wide: seeds numerous. 
In fields and meadows, Maine to Minnesota, Kansas, Florida and Mexico. 
7. Chamaecrista robüsta Pollard. Plant erect, 1-2 m. tall. Stem branching, 
herbaceous, densely pubescent, stout : leaflets glabrate, 20-30, blades elliptical, obtuse, 
finely cuspidate, 2 cm. long, 5-6 mm. wide, occasionally an odd one terminating the 
rachis: petiolar gland orbicular, truncate, compressed, sessile: stipules foliaceous, 
broadly lanceolate : peduncles 1-3-flowered, supra-axillary : flowers large and conspicuous : 
calyx-lobes small, membranaceous, lanceolate, only half as long as the petals: pods nar- 
row, linear, pubescent, 4 cm. long, 5 mm. wide. 
In upland regions, Kentucky to northern Alabama and Louisiana. 
8. Chamaecrista béllula Pollard. Plant slender, erect, 3-4 dm. high, the branches 
ascending. Stems and rachises puberulent : leaflets 10-20, the blades linear-elliptical, 
glabrous, 6-10 mm. long, of thin texture, minutely apiculate, the midvein rather excentric, 
not prominent : petiolar gland crateriform, subsessile: stipules linear, acuminate, mem- 
branaceous, striate: peduncles 1-flowered, almost always bibracteolate, supra-axillary : 
corolla 2 em. broad: calyx-lobes linear, attenuate, nearly equalling the obovate petals : 
pods 6-7 cm. long, linear, puberulent : seeds ovoid, Boorse fle» oblique. 
In sand, St. Vincent, Florida. 
