OF ARTS AxND SCIENXES. 347 



deltoid-ovate), truncate at base, acute, the middle lobe triangular to 

 oblong, the basal rounded to quadrate : peduncles exceeding the leaves 

 and with the inflorescence nearly glabrous ; raceme open, the very- 

 slender pedicels 3 to G lines long ; bracts and bractlets very small : 

 corolla purplish, 5 or 6 lines long : ovary densely silky-pubescent ; 

 pod falcate, H inches long by 4 lines wide. — In the Caracol Mountains, 

 Coahuila (2122) ; also collected by Coulter in Sonora Alta (without 

 number in herl). Gray). 



Phaseolus multiflorus, Willd. (?) In the San Miguelito Moun- 

 tains (824 Schaffner). Flowers scarlet; known as " Frijol del monte." 



PiiASKOLUS ? At Soledad, Coahuila (2G1). Probably an 



undescribed species. 



Rhynchosia. Texana, Torr. &. Gray. At Lerios, Coahuila (25G), 

 and in the San Miguelito Mountains (835 Schaffner) ; 190 Parry & 

 Palmer. This species has been referred to the South American /?. 

 Senna, but the reason is not apparent. 



Rhynchosia minima, DC. At San Antonio, Texas (2G0). 

 Rhynchosia macrocarpa, Benth. In the San Miguelito Moun- 

 tains (826 Schaffner) ; 184 Parry &, Palmer. 



Rhynchosia phaseoloides, DC. In the Santa Maria del Rio 

 Mountains (827 Schaffner). 



Sophora sericea, Nutt. At Lerios, Coahuila (264) ; 199 Parry 

 & Palmer. 



Sophora secundiflora, Lag. At Uvalde, Texas (266), and at 

 Monterey, Nuevo Leon (265), and a form, densely white-silky through- 

 out, at Parras, Coahuila (2133) ; 200 Parry & Palmer. 



CiESALPiNiA Mexicana, Gray. At Monterey (282) ; 1054 

 Parry & Palmer. C. exostemma, DC, is very similar, but has a 

 firmer calyx with broader lobes, and stamens nearly twice longer than 

 the corolla. 



HoFFMANSEGGiA STRiCTA, Benth. At Saltillo (267) and Parras, 

 Coahuila (268), and near San Luis Potosi (832 Schaffner) ; 202 

 Parry & Palmer. The tuberous roots are edible, and known as 

 " Camote del raton." 



HoFFMANSEGGiA GRACILIS. Hcrbaceous, low (about 4 inches 

 high) , very slender, puberulent but not glandular nor villous : pinnaj 

 1 to 3 pairs, with an odd one ; leaflets 5 to 8 pairs, oblong, about 2 

 lines long, nearly glabrous : raceme loosely flowered : calyx finely 

 puberulent : pod linear-oblong, very acute, slightly curved, 9 to 12 

 lines long by about 2 lines broad, 6-9-seeded. — In the Sierra Madre, 

 south of Saltillo (275). Allied to II. oxycarpa. 



