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93 [ 26 ] 
On the same day. two othe'r species of Eckinoc&feus wife found in pine 
timber ; both with beautiful deep ted’flowers. * * * * * 6 * * 9 10 
We shall have occasion to speak of others hereafter. 
After leaving Santa Fe, Dr. Wislizenus directed his course southward 
along the Rio Grande. The country was partly mountainous and rocky ; 
partly, and principally along the river, sandy; on an average between 
4,000 and 5,000 feet above the ocean. Here we find again some of the 
plants of the plains and of Texas, as Polanisia trachysperma, T. and G.; 
Hoffmanseggia Famcsii, T. and G. An in teres ting Prosopis ' with screw-, 
• shaped legumesmearly allied; to P. odorata , Torr. and Frem., of Califor¬ 
nia, was the first shrubby mimoseofls plant observed during the journey, 
a tribe which hereafter becomes more and more abundant; Mentzelia sp. 
r Cosmidium gracile , Eustoma , Heliotr opium currasavicum , Maurandia 
antirhinijlora, a beautiful large flowered Datura’, 'Abronia, Hendecandra 
texensis , and many others. Near Olla the first specimens appeared of a 
new specie^ of Larrea , l 0 the first and most northern form pf the shrubby. 
|Echinoeereus triglochidiatus , n. Sp. ovato-cylindricus, 6-7 costatus, 
costis undulatis, acutis; areolis sparsis , orbiculatis,, j unioribus albodanatis; 
aculeis 3-6, plerumque 3, rectis compressis angulatis, cinereis, sub-deflex- 
is; floribus lateralibus, tubo pulvillis 15-20 albo-tomentosis setas spinosas 
apice fuscas .2-5, gerentibus stipato; sepalis' interioribus subd2 oblongo- 
linearibus obtusis; petalis 12-15 obovatis obtusis; staminibus petala subae- 
quantibus; stigmatibus 8-10 virescentibus. 
On Wolf creek, in pine woods, flowers in June; Santa Fe (Fendler) 4 to 
6 inches high, 2 to 2\ in diameter; spines in young specimens 4 to 6, in 
older ones generally 3, two lateral ones 8 to 14 lines long, one bent down 
only 6 to 8 lines long. Flowers 2 to inches long, 2 inches in diameter; 
setose spines of tube 3 to 6 or 7 lines long; petals deep crimson, 6 to 7 
lines wide; filaments and anthers red. In specimens from Santa Fe, col¬ 
lected by Mr. Fendler, the flowers pro near 3 inches long, the petals 8 to 9 
liries wide, and the setae on the tube are spinous, with brownish points. 
Echinoeereus coccineus, n. sp. globoso ovatus, 9-11 costatus, costis tu¬ 
berculosis subinterruptis; areolis ovatis junioribus albo-tomentosis; aculeis 
radialibus 9-10 albidis, rectis, oblique porrectis, superioribus brevioribus; 
centralibus 1-3 longioribus albidis s. corneis; floribus lateralibus; tubo 
pulvillis .18-25 albo-tomentosis, setas tenues albidas 8-11 gerentibus sti¬ 
pato; sepalis interioribus 8-10 oblongo linearibus obtusis; petalis 10-12 
obovatis obtusis; staminibus brevioribus; stigmatibus 6-8 virescentibus. 
With the foregoing, also about Santa Fe.—Only 1^ to 2 inches high, If 
to 1J inch in diameter; like most other species of this genus, either sin¬ 
gle! or generally branching from the base and cespitose, sometimes form¬ 
ing clusters of 10 to 15 heads. Spines terete all more or less erect, none 
appressed as in many other species; radiating ones 3 to 6, central ones 8 to 
10 lines long. Flowers 1^ to If inch long, and 1 to 1^ wide when 
fully expanded; bristles of tube 3 to 6 lines long; petals deep crimson 4 to 
5 lines wide; filaments red, anthers red or yellow. The flowers resemble 
much those of the last species, but the plant is very different. 
10 Larrea glutinosa, n. sp. divaricato-ramosissima, ad nodos glutinosa; 
foliis breviter petiolatis, bifoliolatis, foliolis oblique ovatis mucronatis, ner- 
