PENNELL: PLANTS OF SOUTHERN UNITED STATES 345 
Rocky or sandy pine-lands, Florida Keys. 
Fioripa. Monroe: Big Pine Key, J. K. Small 3785, 3790 
< November 17 (Y); No-name Key (U, Y); Ramrod Key (Y). 
5. Chamaecrista Deeringiana Small & Pennell, sp. nov. 
Perennial, from a horizontal rhizome. Stems erect, slender, 
purple or purplish, 3-6 dm. tall, glabrous or sparingly puberulent 
above with incurved hairs. Stipules strongly ridge-veined, gla- 
brous, 7-10 mm. long. Petioles 5-8 mm. long, sparingly appressed- 
puberulent to glabrous. Petiolar gland single, depressed-discoid, 
I-1.5 mm. wide, brown. Leaflets 10-20 pairs, 10-20 mm. long, 
2-3 mm. wide, lanceolate-linear, acute-mucronate, glabrous, not 
ciliate, shining, finely ascending ridge-nerved; midrib excentric. 
Pedicels one to four in a fascicle, 10-20 mm. long, very slender, 
glabrous to more rarely sparingly puberulent in lines with incurved 
hairs. Sepals 10-12 mm. long, lanceolate, acuminate, not dilated 
nor white-margined below, glabrous to finely pulverulent. Petals 
14-18 mm. long, anterior slightly exceeding laterals. Stamens ten, 
unequal, 2 longer; anthers 8-9 mm. long, yellow or reddish. 
Legumes 6.5-8.5 cm. long, 5 mm. wide, 1 mm. thick, brown, 
thick-walled (seed-cavities scarcely visible externally), sparingly 
finely appressed-puberulent to glabrous. Seeds twelve to fifteen, 
3.8-4 mm. long, dark purplish-brown. 
Type, pine-lands near Silver Palm, Dade County, Florida, 
collected in flower and fruit June 22, 1915, J. K. Small, C. A. 
Mosier & G. K. Small 6454, in the herbarium of the New York 
Botanical Garden. 
Has been confused with C. brachtata. 
Pine-lands on Miami limestone, mainland, and on Big Pine 
Key, southern Florida. 
FLoriwwa. Dade: Brogdon Hammock; Cocoanut Grove; 
Cutler; Homestead; Long Prairie; Miami, N. L. Britton 197 > 
March 24 (Y); Murden Hammock; Silver Palm; near Timms 
Hammock, F. W. Pennell 9540 > April 28 (Y). Monroe: Big 
Pine Key, J. K. Small 3781 = November 17, CY}: 
6. CHAMAECRISTA BRACHIATA Pollard 
Chamaecrista brachiata Pollard, Proc. Biol. Soc. Wash. 15: 20. 
Feb. 18, 1902. ‘‘Type, No. 330,115, in the United States 
National Herbarium, collected by Charles L. Pollard and G. N. 
