106 
7 
[26] 
The specimen communicated by Dr. Wislwenus, the only one found, waf est H 
dead when it arrived here, but many fruits were adhering to the pi 
and I was thus fortunate enough to cultivate it from the seeds. ~ flHR> and 
Other remarkable cactaceae from the State of Chihuahua, which half from ' 
been communicated to Dr. Wislizenus by Mr. Potts, of Chihuahua, are ilied;a 
not described here, as it is believed that Mr. P. has sent them already the 01 
England, where, no doubt long before this, they have been published. ,^ iu ^ 
Amongst the other distinguished plants of Cosihuiriachi and Llanos, F in S a 
cannot omit to mention a beautiful Delphinium , 3 5 which grew abundantly'^’ a 
here; a Silene, which is perhaps new, but comes near to S. multicaulisf^ 01 
Kutt., of the Rocky mountains;, and S. Moqiniana , DC of Mexico ;a newM 16 b 
Bouvardia,** which is remarkably distinct from all the other Mexican^ iuher 
species of this genus by its smoothness; an Echeveria perhaps identic® 11 beau 
with the Californian E. caespitosa , DC.; several Gerania , which appear—— 
to be undescribed, one of them with white flowers; an Eryngium , 37 with; two ot 
. 
Cosihuiriachi.—The orily specimen seen was about 2 inches iif diame-»leav< 
ter; tubercles 4 lines long; Spines 3 to 4 lines in length ; fruit 5 to 6 lines fa* *,,, 
long, in a circle around the younger tubercles; seeds obovate scrdbiculate, seal 
dark brown, minute. ,^ cor 
35 Delphinium Wisliznii, n, sp., perenne, erectum, simplex, glabrum; listnan 
petiolis elongatis, infimis basi dilatatis; foliis pedatifide 5-7 partitis, laci- exti 
niis incisis, segmentis linean&us, acutis,.divaricatis; floribus laxe panieu- 
lato racemosis; bracteis subulaps; floribus longe pedicellatis; calcare mna 
subulato, curvato sepala paulo superante ; sepalis 2 exterioribus acutis, 3 -^ves 
interioribus obtusissmis; petalis brevioribus acuminatis; ovariis glaber- o\ an 
rirnis. ' ■ t 
On the Bufa, a porphyry rock near Cosihuiriachi, 8,000 feet high, irt}, Diffe 
dower in September. Stem 2 to 2\ feet high, slender, glabrous, glau*%and < 
cous; flowers sparse, wirh the spur 1£ inch long, beautifully blue, on the w' 
outside slightly puberulent. "$ ^ 
f 3 6 Bouvardia glaberrima,ti. sp., glaberrima, caule erecto terete; foliis lens of 
| . t/ty j/fX&xwQ. tis, breviter petiolatis, ovatolanceolatis, utrinque acuminatis, pa ten tip apex. 
• s * re fl«xis; cyma composite, foliacea; calycis segmentis tubum bis % lr i u 
* (fa superantibus; corolla calyce q.uintuplo s. sexuplo lougiore, extus glahrbj 
J uscula, intus parce barbata. 
Cosihuiriachi, flowers September. Perennial; 2 feet high, leaves 3 'toif m 
3^ inches long, 8 to 10 lines vyide; flowers bright crimson, 12 to 15 :i n i/ 
lines long. Apparently one of the largest species of the genus; leaves lS 
entirely glabrous, not revolute on the margin. S h ( 
3 7 Eryngium. heteroyhyllum , n. sp., glaberrifnum, caule erecto; foliisies high 
radicalibus oblanceolato-linearibus, acutis, penni-nerviis, serratis, serratu*sed petals 
ris cartilagineo-marginatis, aristatis; foliis cauhnis inferioribus serrato|en ts eQ] 
pinnatifidis, superioribus palmati-partitis, segmentis linearibus incisis ;m " 
foliis involucralibus 10-13 linearibus acuminatis, spinoso bidentatis^ariuSfJ^ 6 
integris, capitulum ovale longe superantibus; bracteis/coeruleis}subulatis w S,cai 
flores superantibus, interioribus longioribus. V J ra < 
Common in valleys about Cosihuiriachi; flowers September. BienniallL ?, 1 
to 2 feet high; radical leaves 2 inches long, 2 lines wide; involucraLj 0 ’y* 
leaves 12 to 15 lines long, 1 line wide; heads about 4 lines in diameter l 8* a 
