VI. PLA1ST.E M'RIGHTIAN.E. 49 



canescentibus ; racemis ad apicem caulis paniculatis multifloris ; bracteis subulatis 

 caducis ; lomentis adscendentibus breviter stipitatis, articulis 6-8 ovalibus ina^qui- 

 latei-is puberulis. — Hills, between Barbocomoii and Santa Cruz, Sonora ; Sept. 

 (1017.) — " Stems 2 to 4 feet long, procumbent." Stipules two lines long. Petioles 

 an inch or less in length, longer than the rhachis. Leaflets 1 1, to 2 inches long, 

 7 to 12 lines wide, very obtuse at both ends, cinereous with a very soft pubescence; 

 the straight primary veins, five or six on each side, very prominent underneath (in 

 the manner of D. Canadense and D. cajanifolium) ; the veinlets reticulated. Flow- 

 ers purple, smaller than in D. Canadense. Lenient more deeply constricted on the 

 under than the upper side ; the articles 2^ lines long. — This species bears some re- 

 semblance to D. strobilaceum ; which has very short petioles, much larger flowers 

 and bracts, and a lax pubescence ; and D. cajanifolium, which has much longer 

 oblong-lanceolate leaflets, green and smooth above, &c. : the form of the pod, as 

 well as of the leaflets, is different from that of D. incanum ; and the procumbent or 

 decumbent mode of growth is difl"erent from all these species. 



Crotalaria lupulina, DC. Prodr. 2. j). 133. Valleys in the Chiricahui Moun- 

 tains, Sonora ; Sept. (1018.) 



C. sAGiTTALis, im?*. Hill-sides, near Santa Cruz, Souora ; Sept. (1019.) 



LupiNUS Mexicanus, Laffasca, Nov. Gen. 8f Sp. p. 22; Bot. Reg. t. 4.57. INIoun- 

 tains near the copper mines. New Mexico (July, in flower. Dr. J. M. Bigelow), 

 Oct.; in fruit. (1020.) — " Ascending, about two feet high. Spike in fruit often 

 more than a foot long." — The flowering specimen is small, only a foot high, and 

 villous-hirsute, except the upper face of the leaves. Those in fruit, from the same 

 locality later in the season, are much less hairy. Root perennial. Leaflets 8 to 

 10, from one to 2\ inches long. Flowers pretty large, blue or purple. Bractlets 

 minute. Upper lip of the calyx acutely emarginate - 2-cleft at the apex, the lower 

 3-denticulate or entire. Carina ciliate-bearded along the upper part, more so than 

 in L. Ehrenbergii. Legume strigose-pubescent, an inch and a half long, 4 or 5 

 lines wide, flat ; 4 - 5-seeded. — Our plant accords so well with the figure in the 

 Botanical Register (made from specimens raised from seeds communicated by La- 

 gasca to Mr. Lambert) that I cannot think it difterent. The leaflets, to be sure, are 

 said to be only from 5 to 7 in the original character ; but they are 7, 8, and even 9 

 in the plant figured ; nor is the calyx represented as with the upper lip much if at 

 all more cleft than in our specimens, which, in this respect, agree with the closely 

 allied L. Ehrenbergii. 



L. pusiLLus, Pursh, Fl 2. p. 468 ; Ton: 8f Gray, Ft. 1. p. 374 ; var. leguminibus 

 brevioribus (fere semipollicaribus) ovalibus. — Sandy ridges on the Rio Grande op- 

 posite Frontera, March, in flower ; and plains at the base of the Organ Mountains, 

 May, with fruit. (1362.) 



Sophora sericea, Niitt; Gray, PI. Wru/ht. p. .54. On the Limpio, June; in 

 fruit. Near San Elisario and Lake Santa Maria, April ; in flower. (1021.) 



HoFFMANSEGGiA Jamesii, Torr. 8f Gray, Fl. 1. p. 393 ; Gray, PL Wright, p. 54. 

 Valley of the Pecos, in stony prairies ; June. Prairies from the INIimbres to the 

 copper mines. New Mexico ; July. (1022.) " Root a large woody tuber." 



