Pennell: Plants of southern United States 345 



Rocky or sandy pine-lands, Florida Keys. 

 Florida. Monroe: Big Pine Key, /. K. Small 3785, sygo 

 < 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, 

 1-1.5 mm. wide, brown. Leaflets 10-20 pairs, 10-20 mm. long, 

 2-3 mm. wude, 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, i 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, /. K. Small, C. A. 

 Mosier &" G. K. Small 6454, in the herbarium of the New York 

 Botanical Garden. 



Has been confused with C. hrachiata. 



Pine-lands on Miami limestone, mainland, and on Big Pine 

 Key, southern Florida. 



Florida. Dade: Brogdon Hammock; Cocoanut Grove; 

 Cutler; Homestead; Long Prairie; Miami, N. L. Britton igy > 

 March 24 (Y) ; Murden Hammock; Silver Palm; near Timms 

 Hammock, F. W. Pennell 9540 > April 28 (Y). Monroe: Big 

 Pine Key, J. K. Small j 781 ^ November 17, (Y). 



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 bv Charles L. Pollard and G. N. 



