BOTANY. | 61 
hills near Santa Rosa, Chihuahua; Bigelow. Sometimes there are one ог two short prickles ог 
teeth on the margin of the pods, 
M. MALACOPHYLLA var. GLABRA, Gray. La Blanca on the Lower Rio Grande; Schott. The 
same ав No. 815 and 2235, Berlandier. 
Mimosa FLEXUOSA, Benth. in Gray, Pl. Wright. 1, p. 62. Hills near Rock Creek, July; 
Bigelow. | 
MIMOSA BIUNCIFERA, Benth. Pl. Hartw. р. 12; Gray, Pl. Wright. 2, p. 61. With the last, 
and at Eagle Springs. Mababi, Sonora, June; Thurber; Sierra del Pajarito ; Schott. 02 
MIMOSA STRIGILLOSA, Torr. & Gray, Fl. 1, p. 399. On the Lower Rio Grande, May ; Schott. 
Mimosa BrRLANDIERI (Gray, MSS. Habbasie Rubicaulium): “fruticosa erecta; ramis et 
interdum petiolis aculeis sparsis brevibus rectis armatis, junioribus pubernlis setis brevioribus 
parce strigosis ; stipulis ovato-subulatis ; pinnis 4—6-jugis, costis subtus strigosis ; foliolis 20— 
40-jugis linearibus acutiusculis glabellis obsolete 3—4-nervatis ; capitulis pedunculatis racemoso- 
subpanieulatis; floribus tetrameris; calyce minimo truncato; legumine breviter stipitato 
oblorgo-lineari nudo hirtello 8—10-articulato." Banks of the Lower Rio Grande, towards its 
mouth, November; Schott. Environs of Matamoras; Berlandier, (No. 3146.) 
SOHRANKIA UNCINATA, Willd. Sp. 4, p. 1043? Stone-wreath Hills, on the Lower Rio Grande, 
April; Schott. 'The pods not being sufficiently mature, we cannot be certain of the species. 
CaLLIANDRA HUMILIS, Benth. in Lond. Jour. Bot. 5, p. 103; Gray, Pl. Wright. 2, p. 53. Near 
the Copper Mines, New Mexico, June—August; Bigelow. 
CALLIANDRA RETICULATA, Gray, 1. c. With the last; August. 
CALLIANDRA HERBACEA, Engelm. in Pl. Fendl. p. 39; Gray, Pl. Wright. 1, p. 63. Low places 
on the Limpio, and near Rock Creek, July; Bigelow. 
CALLIANDRA CHAMADRYS, Engelm. l. c.; Gray, l. c. Оп the more elevated parts of the Sierras 
of Sonora, March—July ; Thurber, Schott. 
CALLIANDRA (POoRTORICENSIS, Benth. var.): glabriuscula, inermis; ramulis gracilibus; pinnis 
bijugis, foliolis 4 一 5-jugis oblongis obtusissimis sub remotis membranaceis basi inferiore 
subauriculatis ciliolatis, petiolis elongatis; stipulis lanceolatis striatis rigidis; pedunculis 
petiolo longioribus ; calyce profunde 5-fido globoso corolla glabra dimidio breviore. Arroyo 
de los Samotas, Sierra Verde, Sonora, August; Schott.  Peduncles 11—23 inches long. 
Flowers pale rose color. Filaments half an inch long. Pods not seen. 
LUCENA RETUSA, Grey, l. c. p. 64. Hills and gravelly places between the San Pedro and the 
Rio Grande, July—September ; Bigelow, Schott. 
Acacta Wrieutu, Benth. in Gray, l. с. On the Rio Grande, Texas; and Sierra del ыс 
Sonora, July—August ; Schott. 
Acacta GRzEGGt1r, Gray, l. с. p. 65. Dry hills, El Paso and down the Rio Grande to the ° 
Great Сайоп ; also hills and mountains along the Gila to California, May—July. 
Acacta RIGIDULA, Benth. in Lond. Jour. Bot. 1, p. 504. Rocky hills, Leona. Also found by 
Dr. Edwards and Major Eaton near Monterey, Neuvo Leon. The slender spines are sometimes 
more than an inch long. 
Acacta RGMERIANA, Scheele in Linnea, 21, p. 456. Fort Inge, Texas ; Parry. Mountains 
and rocky places, Presidio del Norte, August ; Bigelow. 
Acacta TEPHROLOBA, Gray, 1. c. p. 65. Hills on the San Pedro or Devil's river, September ; 
(in fruit ;) Bigelow. 
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