■^I- PLANTiE WRIGHTIAN.E. 51 



ticis mucronulatis ; glandula clavuliformi stipitata infra par infimum ; pediccllia 

 axillaribus subsolitariis folium subtcquantibus ; sepalis membranaceis acutis sub- 

 coloratis hand striatis, minoribus lanceolatis, inajoribus ovatis ; Icgumine acutato 

 vel apiculato. — Hill-sides, on the Sonoita, near Deserted Rancho, Sonora ; Sept, 

 (1034.) — Root very thick and rather ligneous, sending up numerous stems (5 or 8 

 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 hues long, much fewer 

 and less inequilateral than those of C. Chamascrista ; the pedicels longer in propor- 

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

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

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



Algarobia glandulosa, Torr. 8r Gray, Fl. 1. ^j. 399 ; PI Wright, p. 60. On 

 the Rio Grande, near San Elizario ; May. 



Strombocarpa pubescens, Grai/, PI. Wright, p. 60. Prosopis (Strombocarpa) 

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

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



Desmanthus velutin'us, Scheele in Linttcea, 21. j). 456. Rocky hills, 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, PI. Wright, p. 63. 

 Prairies, on the Mimbres, New Mexico ; July. 



Mimosa fragrans. Gray, PI. Lindh. 2. p. 182, ^ 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. LixDHEDiERi, Gray, PL Lindh. 2. p. 181.? var. pinnis 3-jugis (nunc 1-2- 

 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 pinnae and leaflets reduced more or less, and the margins of 

 the pod excessively armed. 



M. BiuNciFERA, 5ew^/<. ; Gray, PL Wright, p. Oil. Between El Paso and West- 

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



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

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

 — M. Lindheimeri too closely approaches this form. 



M. FLEXuosA, Benth. in PL Wright. L c. Hills, from Rainwater 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, j). 62. Mountain valleys, between the 

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



M. DTsocARPA ; var. minus villosa ; ramis herbaceis ; aculeis petiolorum ctiam 

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



