i 
68 UNITED STATES AND MEXICAN BOUNDARY. 
Alluvial borders of the Gila, May; Schott. Mountains and rocky places; Puerto de Paysano, 
Sonora, September (with flowers and young fruit) ; Bigelow. 
ErnarERIUM? WRIGHTII, Gray, Pl. Wright. Fl. 1, р. 61. Magdalena, Sonora, July ;` Thurber. 
ELATERIUM? CoULTERI, Gray, l. e. Hills near the Copper Mines, August, (in flower and fruit.) 
We fear not sutiiciently distinct from the last. We have specimens which are almost equal in 
resemblance to Mn нк 
mc CACTACER. » ¢ 
The ot of this “tent бөлесі оп the Boundary Survey, are described by Dr. Engelmann, 
in a separate article of this volume. 
` GROSSULACE E. 
RIBES CALIFORNICUM, Hook, & Arn.; Gray, in Bot. Whippl. Rep. p. 88. Napa county, Cali- 
fornia, March; Thurber. 
RIBES DIVARICATUM, Dougl. in Hort. Trans., Т р. 515; Lindl. Bot. Reg. t. 1559. In moist 
places, forming thick clumps, near Santa Barbara, California, March ; Parry. 
RIBES AUREUM, Pursh, Fl. 1, р. 164. Var. TENUIFLORUM. R. "— Lindl. Bot. Reg. t. 
^ 197 4. Upper Rio Grande, and at the Copper Mines ; also in Chihuahua and Sonora ; March to 
April, Salinas river, California ; Parry. 
Rives Мехлввп, Pursh, Fl. 2, p. 132. (Тав, XXIII.) Santa Barbara, California; Parry. 
A tall and handsome species. 
Rives speciosum, Pursh, l. с.; Lindl. Bot. Вед. t. 1557; Torr. & Gray, РІ. k p. 545. In 
ravines, from Monterey to че Diego, California, May; Parry. The most showy species of 
this genus. Its height is commonly from 6 to 8 feet. 
RIBES MALVACEUM, Smith in Rees Сусіор.; Torr. & Gray, Fl. 1, p. 552. Common along the 
coast of California, particularly at Monterey and Santa Barbara, April; Parry, Thurber. A 
shrub with spreading branches, sometimes ten feet high. Flowers pale rose color; or in shady 
places, nearly white. - | 
RIBES SANGUINEUM, Pursh, Fl. 1, р. 164; Torr. & Gray, Fl. 1, р. 551. San Pasqual, Cali- 
fornia, Мау; Thurber. 
RIBES LEPTANTHUM, Gray, Pl. Fendl. p. 53, & Pl. Wright. 2, p. 63. Near the Copper Mines, 
and valley of the Mimbres, April; Bigelow. 
CRASSULACE E. 
Вером Wricutu, Gray, Pl. Wright. 1, p. 76. Hills and rocky places; Mount Carmel, Chi- 
huahua, September and October; Parry. Mountains around the Copper Mines, and Puerto 
de Рауѕапо ; Bigelow. 
SEDUM SPATHULÆFOLIUM, Hook.; Torr. & Gray, Fl. 1, р. 559. Rocky hills, Pifiasquitas, Cali- 
fornia, Мау; Thurber. 
Вером EDULE, Nutt. in Torr. & Gray, Fl. 1, р. 560. Dry banks near the sea at San Diego, 
California ; associated with Echeveria ; Parry. 
EcHEVERIA STRICTIFLORA, Gray, РІ. Wright. 1,p. 76. White rocks near Rock Crook; western 
Texas, July ; ; Bigelow. 
A PULVERULENTA, Nutt. in Torr. & Gray, Fl. 1, p. 560. Е. farinosa, Lindl. in Lond. 
Hirt. Дш. 4, р. 292? Coronados Islands, California, Мау; Thurber. 
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