Aa 
ce 
[7] 156 
spines disposed in vertical ridges, which is not the case in the figure 
in question. Stems irregularly cylindrical, with divers contractions 
and swelling, about 4—6 inches high, and 14 and 1¢ inches in di- 
ameter, many (in the fig. 8) from one base. . 
The name of M. fasciculata would indicate the peculiarity of 
\ this species. 3 ay Pe 
Mammilaria, “November 4, 1846, abundant.” ct 
' Several (fig. 3) oval stems from one base, 13—23 inches high, 
_ and 1] inch in diameter; tubercles in about 13 rows; ‘Spines whitish, 
_ short; 1 small obovate red berry toward the apex not moresthan 1} 
‘line long. ie: 
If the figure is corréct, this species ought to be distinguished by 
the name of M. microcarpa, as I know of no other Mammilaria 
with such.a small fruit. bn 40 he 
4. 
“October 26, 1846.” In addition to the description in Dr. W 
report, which I have drawn up from dried specimens, I observe in 
this figure that the species has 21 oblique ribs, is of an oval’shape, 
and bluish green color; the ribs are acute, but not compressed, ac- 
Echinocactus Wislizent. (Engelm. in Wislizenus’s report.) | 
16? Ws 
. cording to the representation of a section, and the groves corres- 
es ond ing. ae 
fs 
— ‘ ; 
ag Rete oe EA ee 3 y ig 
5+ Echinocactus, & Oetobot 25, 1846, 18 inches in diameter.’” 
Height equal to the diameter; shape ventricose, contracted towards 
the vertex, therefore somewhat urceolate; with 21 straight sharp 
ribs; spines apparently 8, straight, brown, color of plant bright 
~ 
yellowish or reddish. Seed obovate, obliquely truncated at 
“green; vertex whitish, (tomentose?) fruit 1 or 1} inches long, oval, — 
full 1 line long, black, opaque, slightly roughened; embryo curved % 
or hooked, cotyledons accumbent, partly buried in the large farina-_ 
ceous albumen 
This species is distinct from all other New Mexican species ex- ~ 
amined by me, and is most probably undescribed. I propose to 
_ ame it after its zealous discoverer, who has, surmounting number- 
less difficulties, though occupied by severe and arduous daties, 
ms found leisure to do so much for the advancement of our knowledge 
‘the wild eountries traversed by him, Echinocactus Emoryi. 
6. Cereus, “ November 21, 1846, 3 feet high.’y» 
be ‘There can be but little doubt but that we have here a species be- 
fore us, which T have received from Dr. Wislizenus and from Dr. 
Gregg, from the neighborhood of Chihuahua, and which I have de- 
-Scribed in Dr. W.’s report by thename of C. Greggii, erect, branch- 
ing, with 5 compressed ri e, and 
ribs, dark green, with whitish areol: 
a. rt dusky spines. | 
t, which was unknown to me. Provided the drawing is correct, 
ave here a smooth oval accuminate fruit, crowned with the re- 
s ef the corolla, and supported by a distinct stipe of a bright 
mson color. A stipe such an acumination, I have not 
he specimen figured here is very remarkable on account of the . 
ruit, with the long acumina- 
' 
oe 
