Psoralea.] LEGUMINOS^. 253 



P. pahnala. Buckley, Proc. Acad. Philad. 1861, 451 ; fide Gray in same, 

 18C2, 102. 



P. digitata. Nutt. ; Torr. & Gray, FI. 1. 300; Pac. R. Rep. 2. 163. Eat. & Wr. 

 379. Walp. Rep. 1. 658. Dietr. 4. 1024. Engelm. PI. Upp. Miss. iSS. Torrey, 

 Pac. R. Rep. 4. 77. Gray, Hall's PI. Texas, 7. Porter, Fl. Col. 22. 

 P. esculenta. Pursh, 475, t. 22. Poir. Snppl. 4. 589. Bradbury, Cat. 33S. 

 Nutt. Genera, 2. 102. James, Long's Exped. 2. 3.>0. DC. Prodr. 2. 219. Spreng. 

 Syst. 3. 200. Torrey, Ann. Lye. N. Y. 2. 175; Nicol. Rep. 147; Marcy's Rep. 283; 

 Emory's Rep. 138 & 407 ; Mex. Bound. 51. Don, Mill. 2. 203. Spach, Hist. Veg. 

 1. 231. Torr. & Gray, Fl. 1. 302; Pac. R. Rep. 2. 163. Eat. & Wr. 377. Dietr. 

 4. 1025. Hook, in Lond. Journ. Bot. 0. 208. Parry, PI. Minn. 611. Gray, PI. 

 Wright. 2. ^-j; Pac. R. Rep. 12. 42; Manual, 129; Hall's PI. Texas, 7. Engelm. 

 PI. Upp. Miss. iSS. PL Bourgeau, 255. AVood, Bot. & Fl. 93. Young, Fl. 

 Texas, 219. 



P. bracluala. Dougl. ; Hook. Fl. Bor.-Am. 1. 137, t. 53. Don, Mill. 2. 469. 

 Torr. & Gray, Fl. 1. 301 & 088. Eat. & Wr. 378. Walp. Rep. 1. 659. PI. Bour- 

 geau, 255. 



P. hypogcea. Nutt. ; Torr. & Gray, Fl. 1. 302. Eat. & ^Yr. 378. Walp. Rep. 

 1. 659. Dietr. 4. 1025. Hook, in Lond. Journ. Bot. 6. 208. Engelm. in Wisliz. 

 Rep. 4. Porter, Fl. Col. 22. 



Var. scaposa. Gray, PI. Lindh. 173; PI. Wright, i. 45. 

 P. lanceolata. Pursh, 475. Poir. Suppl. 4. 588. Spreng. Syst. 3. 200. Hook. 

 Fl. Bor.-Am. 1. 135, t. 51; Lond. Journ. Bot. 6. 208. Torr. & Gray, Fl. 1. 299, 

 Eat. & Wr. 377. Torrey, Nicol. Rep. 148 ; Frem. Rep. 88 ; Bot. Wilkes, 269. 

 Dietr. 4. 1024. Engelm. PI. Upp. Miss. 188. Gray, Pac. R. Rep. 12. 41 ; Ives's 

 Rep. 9; Am. Journ. Sci. 2. 33. 411 ; Proc. Acad. Philad. 1863, 60; Proc. Am. Acad. 

 8. 3S0. Watson, King's Rep. 5. 63. Porter, Hayd. Rep. 1870, 474 ; 1871, 480 ; Fl. 

 Col. 21. Coulter, Hayd. Rep. 1872, 764. Rothrock, PI. Wheeler, 36. Brew. & 

 AYats. Fl. Col. 1. 140. 



P. elliptica. Pursh, 741. Poir. Suppl. 4. 588. Bradbury, Cat. 338. Spreng. 

 Syst. 3. 200. 



P. arenaria. Nutt. Genera, 2. 102. James, Cat. iS6. DC. Prodr. 2. 219. Tor- 

 rey, Ann. Lye. N. Y. 2. 175. Don, Mill. 2. 203. 



P. laxlflura & scahra. Nutt. ; Torr. & Gray, Fl. 1. 299 & 300. Eat. & Wr. 378 & 

 379. Walp. Rep. 1. 658. Dietr. 4. 1024. 



P. linearifolia. Torr. & Gray, Fl. 1. 300. Eat. & Wr. 379. AValp. Rep. 1. 658. 

 Dietr. 4. 1024. Torrey, Pac. R. Rep. 4. 77. Gray, Hall's PI. Texas, 7. 

 P. Lupiuellus. Michx. Fl. 2. 58. Poir. Diet. 5. 690. Persoon, 2. 347. Pursh, 

 470. Nutt. Genera, 2. 102. Elliott, 2. 190. DC. Prodr. 2. 220. Spreng. Syst. 



3. 200. Don, Mill. 2. 204. Torr. & Gray, Fl. 1. 302. Eat. & AVr. 378. Dietr. 



4. 1025. Chapman, 92. AVood, Bot. & Fl. 92. 



P. macrostachys. DC. Prodr. 2. 220. Spreng. Syst. 42. 270. Hook. Fl, Bor.- 

 Am. 1. 130. Don, Mill. 2. 204. Lindl. Bot. Reg. 21, 1. 1769. Hook. & Arn. Bot. 

 Beechey, 332. Torr. & Gray, Fl. 1. 304 & 089. Benth. Bot. Sulph. 11. Dietr. 

 4. 1020. Torrey, Mex. Bound. 51 ; Bot. AVilkes, 209. Brew. & AA'ats. Bot. Calif. 

 1. 140. 



P. strohillim, var. 0. Torr. & Gray, Fl. 1. 689. 

 P. melilotoides. Michx. Fl. 2. 58. Vent. Hort. Malm. t. 94. Poir. Diet. 5. 688. 

 Pursh, 475. Sims, Bot. Mag. t. 2063. Ker, Bot. Reg. 0, t. 454. Barton, Fl. N. 

 Am. 2. 03, t. 57. Elliott, 2. 197. DC Prodr.. 2. 220. Spreng. Syst. 3. 199, Don, 



