Plante Lindheimeriana. 215 
Wright. Stems diffuse, decumbent, from a filiform, often 
tuberiferous root. Leaflets of the lower leaves orbicular, of 
the upper rhombic-óvate and mostly acute. - Peduncles in our 
specimens commonly shorter than the leaves. Legume mem- 
branous, suborbicular, rostrate, transversely dehiscent ; the 
upper part strigose-pubescent, the lowér glabrous and some- 
what rugose. Seeds orbicular, compressed, The singular 
transverse dehiscence of the’ pod appears to confirm the 
opinion that Psoralea belongs to the tribe Hedysaree. 
36. P-osrusitLoBA, Torr. & Gr. l.c. Dry prairies east of 
the Brazos, flowering early in the season. Legumes glandular. | 
The allied, but distinct, P. floribunda is wrongly described as 
“canescent but not glandular,” whereas the plant is gen- 
erally glandular, often very much so. 
87. Amorpua PaNiCcULATA, Torr. & Gr. Fl. Y. p. 306. 
"Dhickets, Galveston Bay, and west of the Drazos. June, July. 
A stately plant, 6 to 9 feet high, the long spikes clustered in 
ample. panicles. 
88. A. GLADRA, Dey. DC. prodr. 2. p. 256. Wet prairies, 
Houston, &e. 
39. Danza AUREA, Nutt. West of the Hresog, June to 
August — 
40. — OBOVATUM, Torr. y Gr. Fl I. P 310. 
: August. À 
: P. PHLEOIDES 8 MICROPHYLEUM; Torr. & Gr. k. c. 
Sandy elevations in the prairies west of the Brazos. July. 
42. P. . VIOLACEUM, Michx.: a pubescent variety. 
| 43. P. ovr eLonvM, Nutt. On the Brazos. August. 
44. 'TarFOrLIUM REFLEXUM, Linn. Galveston... May. 
- ÁsrRAGALUS NorraLLiNvs ? rricnocarrus, Torr. & 
[^ Fl I. p. 334. Coast of Galveston Island, on soil com- 
Posed of fragments of shells; while A. Nuétallianus is found 
in prairies in the interior of ‘the island. The present variety, 
if such it be, has rather shorter as well as hairy pods, with 
usually 7-8 seeds-in each cell, while in the true A. Nuitalli- 
anus there are qinpiy 10-12: 
