﻿Studies in the Botany of the Southern United States.— XIII. 



By John K. Small. 



I. SPECIES HITHERTO IMPERFECTLY UNDERSTOOD. 



1 



y Baptista laevicaulis (A. Gray). 



Baptista leucophea var. laevicaulis A. Gray; Bot. Gaz. 4: I3 2 - 

 1879. 



Perennial, nearly glabrous. Foliage tu rning blackish in drying: 

 stems erect, 3-7 dm. tall, branching: leaves 3-foliolate; leaflets 

 leathery, obovate or cuneate-obovate, 4-8 cm. long, mucronulate 

 to retuse at the apex, delicately reticulated : racemes somewhat 

 declined, 1-3 dm. long, 1 -sided : pedicels 3-6 cm. long, subtended 

 by ovate or oblong-lanceolate acute bracts : calyx pubescent within, 

 I cm. long, prominently nerved ; segments, except the upper one, 

 lanceolate or ovate-lanceolate, about as long as the tube : corolla 

 dull yellow ; standard orbicular-ovate, 2 cm. in diameter, deepl> 

 cleft, rather abruptly narrowed into the short claw ; wings and keel- 

 petals with blades over 2 cm. long : pods firm, oval, 3-4 cm. long, 

 with a slender curved beak and a stipe at least as long as the calyx. 



r 



On prairies, Louisiana and Texas. 



A large 



Baptista lencoph 



but with almost glabrous foliage. The only pubescence on the 

 leaves and their stipules is a sparse villous ciliation. The stems 

 and inflorescence are glabrous or practically so, save the dense lus- 

 trous pubescence lining the inside of the calyx-tube and covering 

 the ovary. 



number 210. Mr. Lan 



H 



Landry Counties, western Louisiana in the years 1884 and 1885. 

 As the species has been described but imperfectly as a variety, I have 

 given the above description. 



1838. 



^Kraunhia macrostachvs (T. & G.). 

 frutcsccus var. macrostachvs T. & G Fl N A 



synonym. 183 



A. 1: 283. As 



I 1 34 ) 



