OF ARTS ajSD sciences. 339 



long, scattered in a short raceme, on slender pedicels 1 to 1^ lines 

 long ; bracts lanceolate, deciduous, shorter than the calyx : calyx-tube 

 turbinate: pod linear, 4-G-seeded, 12 to 15 lines long by 3 broad. — 

 At Guajuco, Nuevo Leon (198). 



Mkliloti's parvifloua, Desf. At San Lorenzo de Laguna, 

 Coahuila (I'JO). 



Mkdicago minima, Lam. At Monterey, Nuevo Leon (200). 



TuiFOLiu.M amabile, IIBK. At Morales, San Luis Potosi (806 

 Schaffner), a narrow-leaved form, the var. longifoliolum, Ilemsl. ; 

 134 Parry & Palmer. 



TuiFOLiuJi ixvoLUCRATmr, TVilld. In the mountains east of 

 Saltillo, scanty specimens; at Morales (807 Schaffner) ; 135 Parry & 

 Palmer. 



TiiiFOLiUM ScHiEDEANUM. {T. rejlexvm, Schlecht. in Linna^a, 

 5. 576.) Perennial, cespitose and procumbent, pubescent: leaflets 

 from cuneate-obcordate to oblanceolate or rhombic-oblong, 3 to 8 lines 

 long : peduncles axiUary, exceeding the leaves : heads without invo- 

 lucre ; flowers rather few, pedicellate, becoming reflexed, 3 lines long : 

 calyx villous-pubescent, the very narrowly attenuate teeth twice longer 

 than the tube; corolla not inflated in fruit. — Jalapa (Schiede), and 

 at Lerios, 45 miles east of Saltillo (201). Allied to T. elegans and 

 T. hyhridum. 



HosACKiA ANGUSTiFOLiA, Don. In the Morales Mountains, San 

 Luis Potosi (820 Schaffner) ; 140 Parry & Palmer. 



HosACKiA PUBERCLA, Benth. Near San Luis Potosi, in sandy 

 places (819 Schaffner) ; 141 Parry & Palmer. 



PsoRALEA RHOMBIFOLIA, Torr. & Gray. At Corpus Christi Bay, 

 Texas (223), and at Monterey, Nuevo Leon (222). Also a nearly 

 glabrous variety, with the heads of larger bracteate flowers more open 

 and subracemose; in the Sierra Madre, Coahuila (254), 



Psora LEA pentaphylla, Linn. Near San Luis Potosi, in sandy 

 places (833 Schaffner) ; 142 Parry & Palmer. Known as " Contra- 

 yerba." 



Eysenhardtia amorphoides, HBK. At Uvalde (204) and 

 Sutherland Springs, Texas (203), in the mountams west of Saltillo 

 (202) and at Soledad, Coahuila (2114) , also at Guanajuato (Duges). 



Eysenhardtia ortiiocarpa. {E. amorphoides, var. orthocarpa, 

 Gray, PI Wright. 2. 37.) A tree, 10 to 15 feet high, distinguished 

 from the last by the more numerous leaflets (10 to 23 pairs), and by 

 the larger (5 to 8 lines long) straight pendent pods. — In New Mex- 

 ico (98 and IIG "Wright), Arizona (Pringle), near San Luis Potosi 



