93 : ™ 
along the Rio Ras, "the ¢ untry was saad mountainous Pa rocky; 
partly, and he eat along ‘the river, sandy; on an average between 
4,000 and 5,000 feet above the ocean. Her sae again some of the 
Hoffmanseg, Famesii, T.and G. An intereetd Prosopis with screw- 
shaped ioe nearly allied to P. odorata, Torr. and Frem., of Califor- 
nia, was the first shrubby mimoseous plant observed during the journey, 
a tribe which hereafter ia tay more and more abundant; Mentzelia sp. 
Cosmidium gracile, Hus , Heliotropium currasavicum, Maurandia 
antirhinifiora, a beautiful tiene flowered Datura, Abronia, Hendecandra’ 
te and many others. Near Olla the first specimens appeared of a 
exensis, 
new species of Larrea,'® the first and most northern form of the shrubby 
° Echinocereus triglochidiatus, n. sp. ovato-cylindricus, 6-7 costatus, 
, undulatis, acutis; areolis sparsis, orbiculatis, junioribus albo-lanatis; 
is 3-6, plerumque 3, rectis compressis angulatis, cinereis, suo-deflex- 
74 pate ‘lateralibus, tubo pulvillis 15-20 albo-tomentosis setas spinosas 
apice fuscas 2-5 gerentibus stipato; sepalis interioribus sii 12 oblongo- 
linearibus obtusis; petalis 12-15 obovatis obtusis; staminibus petala subae- 
uantibus; stigmatibus 8-10 virescentibus 
On Wolf creek, in pine woods, flowers in n June; Santa Fe (Fendler) 4 to 
6 inches high, 2 to 23 ms diameter; spines in young specimens 4 to 6,in 
er ones generally 3. two lateral ones 8 to 14 lines long, one bent down 
only 6 to 8 lines long. Flowers 2 to 24 inches long, 2 inches in diameter; 
setose spines of tube 3 to 6 or 7 lines long; petils deep crimson, 6 to 7 
lines wide; filaments and anthers red. In specimens from Santa Fe, col- 
lected by Mr. Fendler, the flowers are near 3 inches long, the otal 8 to 9 
lines wide, and the setae on the tube are spinous, with brownish points. 
Echinocereus nec ag n. sp. globoso ovatus, 9-11 costatus, costis tu- 
berculosis subinterruptis; areolis ovatis junioribus albo-tomentosis; aculeis 
radialibus 9-10 albicis, ‘rectis, oblique porrectis, superioribus brevioribus; 
: amass ves 1-3 ener ribus albidis s. corneis; floribts masa pamper ; tubo 
gle or anal een ee from the base and g irae sometimes orcas 
— clusters of 10 to 15 heads. tap og all yee or less erect, none 
Lo 
e; Slarnente ts red, anthers eae “ plas The flowers resomnble 
was those of the last pas but the aie is very different. 
follis breve’ Soren bifo Das io, folios oruaee Sealis ranean: ner 
