PENNELL: PLANTS OF SOUTHERN UNITED STATES 350 
‘10. CHAMAECRISTA PUBERULA Greene 
Chamaecrista puberula Greene, Pittonia 5: $340 004950 On 
Galveston Island [Texas], 23 Sept. 1901 [S. M. Tracy].” 
Co-type of Tracy, 7797 seen in the herbarium of the New York 
Botanical Garden. 
Annual. Stem erect, 4-8 dm. tall, puberulent with ascending- 
incurved hairs.. Stipules lanceolate-acuminate, nerved, puberu- 
lent, finely ciliate, 4 4-5 mm. long. Petioles 3-6 mm. long, puberu- 
lent with incurved hairs. Petiolar gland single, short-pediceled 
to sessile, discoid to slightly saucer-shaped, 0.5-I mm. wide, dark- 
brown. Leaflets ten to fifteen pairs, 10-18 mm. long, 2-4 mm. 
wide, linear-lanceolate, acutish to acute-mucronate, densely puber- 
ulent, not ciliate, midrib evident, elsewhere obscurely nerved. 
Bracteoles 1-2 mm. long, lanceolate-ovate. Pedicels one to three 
in a fascicle, 5-20 mm. long, puberulent with incurved hairs. 
Sepals 6-8 mm. long (in the bud shorter than the petals), ovate- 
lanceolate, acute to short-acuminate, pubescent. Petals 10-15 
mm. long, anterior slightly exceeding laterals. Stamens 10, 
unequal, 2 longer; anthers 4-5 mm. long, deep purple. Legumes 
5-6 cm. long, 4-5 mm. wide, appressed-puberulent. Seeds eight 
to fourteen, 3.7—-4 mm. long 
Moist to dry sandy soil, southern Texas. 
Texas. Colorado: Sheridan, F. W. Pennell 5538 > September 
21 (P, Y). Dewitt: Cuero, A. H. Howell 252 > July 7 (UV). 
Galveston: Galveston, F. W. Pennell 5574 > September 23 
(P, Y). Lavaca: Hallettsville, G. L. Fisher 126 = August (U). 
Nueces: Kings Ranch, V. Bailey 251 > May 10 (U). Robert- 
son: Hearne, F. W. Pennell 5418 > September 11 (P, Y). Webb: 
Laredo, A. Schott z10 > June (Y). Wharton: Pierce, S. M. 
Tracy 7796 > September 16 (U, Y), anther-sacs aenkiens or 
reddish. 
II. CHAMAECRISTA LEPTADENIA (Greenman) Cockerell 
Cassia leptadenia Greenman, Proc. Amer. Acad. 41: 238. 1905. 
‘48 km. east of El Paso, May to October, 1849, Chas. Wright, 
no. 154 (hb. Gray).” Co-type seen in the United States 
National Herbarium. 
Chamaecrista leptadenia Cockerell, Muhlenbergia 4: 68. 1908. 
Annual. Stem erect, slender, 1-5 dm. tall, sparingly branched, 
puberulent in lines with incurved to spreading hairs. Stipules 
