) 



f 



VI. 



PLANTiE WRIGHTIAN^ 



51 



ticis mucronulatis ; glandula clavuliformi stipitata infra par infimum ; pedicellis 

 axillaribus subsolitariis folium subsequantibus ; sepalis membranaceis acutis sub- 

 coloratis haud striatis, minoribus lanceolatis, majoribus ovatis ; legumine acutato 

 vel apiculato. — Hill-sides, on tbe Sonoita, near Desertcd Ranclio, Sonora ; Scpt. 

 (1034.) — Root very thick and rather ligneous, sending up numerous stems 6 or 8 



r 



inches high. Petiolar gland small, raised on a slender setiform stalk, nearly as 

 broad as itself. Leaves an inch long ; the leaflets 3 or 4 lines long, much fewer 

 and less inequilateral than those of C. Chama)crista ; the pedicels longer in propor- 



L 



tion. Flowers showy ; the sepals 3 or 4 lines long, often reddish, shorter than the 

 bright yeUow petals, Pod glabrous or nearly so, an inch and a half long, often 

 abruptly pointed at both ends, 8 - 10-seeded. 



. Algarobia glandulosa, Torr. §* Grai/, Fl. 1. p. 399 ; Pl Wright. p. 60. On 

 the Rio Grande, near San Elizario ; May. 



Strombocarpa pubescens, Gr«y, Pl. Wright. p. 60. Prosopis (Strombocarpa) 

 pubescens, Benth. P. (Strombocarpa) Emoryi, Torr. in Emori/, Rep.p. 139. Val- 

 ley of the Rio Grande, below and above El Paso ; June, July. (1035.) 

 ' Desmanthus velutinus, Scheele in Linncea, 21. p. 456. Rocky hillsj valley of 

 the Pecos; and Elm Creek, Western Texas; June. (1036.) — Probably a variety 



of the next. 



D. Jamesii, Torr. 8r Gray, Fl. 1. p. 402, & var. Gray, Pl. Wright. p. 63. 

 Prairies, on the Mim.bres, New Mexico ; July. 



MiMosA FRAGRANS, Gra^, Pl. Lindh. 2. p. 182, 8f Pl. Wright. p. 61. Prairies 

 on the San Pedro, Western Texas (in fruit); May. (1037.) 



M. borealis, Gray, Pl. Fendl. p. 39. Rocky hills, valley of the Pecos (in fruit) ; 



June. (1038.) 



M. LiNDHEiMERi, Grai/, Pl. Lindh. 2. p. 181.1 var. pinnis 3-jugis (nunc 1-3- 



jugis in ramulos floridos) ; foliolis 5 - 7-jugis ; leguminibus rectiusculis margine 



aculeis crebris uncinatis horridis. — Prairies at the head of the Los Moros, Western 



Texas, July; in flower and fruit. (1363.) — " A low and spreading or procumbent 



bush, 1 to 4 feet high. Flowers light purple." — Apparently only a form of M. 



Lindheimeri, with the pinnse and leaflets reduced more or less, and the margins of 



the pod excessively armed. 



M. BiuNciFERA, Beiith. ; Gray, Pl. Wright. jo. 61. Between El Paso and West- 



a Texas, 1832 ; in flower. (1364.) 



M. BiuNciFERA, var. glabrescens. — Hills on the Sonoita, Sonora, Sept. ; in fruit. 

 (1039.) — « Procumbent, branched from the root, the branches 2 to 3 feet lon 

 M. Lindheimeri too closely approaches this form. 



M. flexuosa, Beuth. in Pl. Wright. l. c. Hills, from Eainwater Creek to the 

 Limpio, June; in flower. (1365.) — Calyx and corolla tomentulose or cinereous- 

 pubescent, like the slender branches. 



M. DYsocARPA, Benth. in Pl. Wright. p. 62. Mountain valleys, between the 

 Limpio and the Rio Grande, June; in flower. (1366.) 



M. DYsocARPA ; var. minus villosa ; ramis herbaceis ; aculeis pctiolorum etiam 

 validis. — Stony hills at the copper mines, New Mexico; Aug. (1040,) — The flat 



O 



