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CRASSULACE^. 
298. EcHEVERiA Scheerii, Lindl. Bot. Reg. (New Series) vol. xviii. t. 27. — Wlprs. Hep. vol. v. 
p. 794. Chihuahua (Potts!). 
First introduced into England by Mr. Potts. 
. FOUQUIERACEiE. 
299. FouQXJiERA /omosa, H.B.K.; De Cand. Prodr. vol. iii. p. 349. Talisco (Lay and Collie !) 
HYDRANGEACE.E. 
300. Hydrangea Peruviana, Moric., De Cand. Prodr. vol. iv. p. 14. Sierra Madre, in barancas, 
climbing and rooting on old trees, like Ivy. 
It is the first time, I beheve, that this species has been found in Mexico ; it has repeatedly been met 
with in New Granada ("W. Lobb! Purdie! Linden, no. 294! Jen'ise!). 
FLOBA OF NORTH-WESTERN MEXICO. 293 
nascentibus suberectis deinde patentibus, acicularibus, cum una centrali valide subulata sursum re- 
curvatula multo robustiore brunnea sphacelata, unciaii. Planta parvula, altitudine If, diametro 1". 
Received 1854. 
286. Cereus? vel Echinocereus? Planta cylindrica crecta, griseo-viridis, 13-costata; costis -^ 
nascentibus subcompressis dcindc subrotundatis^ vcrticalitcr dispositis ; arcolis uugucm distantibus nas- -\ \ 
centibus albo-lanuginosis mox nudis; aculeis albis acicularibus rectis, exterioribus 13 subiusequalibus, l^ ^ 
inferioribus longioribus, interioribus 4 crueiatim positis, cum uno centrali longissime deorsum refiexo. * 
Received 1847. 
287. Species precedenti (217affinis, sed multo robustior, multo- eostata, spinis elongatis albis 
cuna centrali una. Received 1849. 
These two plants are distinct from all the preceding, and theu* proper position cannot yet be fixed. 
288. Ceretjs Potisii, S. D.— H. D. p, 208. Received 1845. 
389. Opuntia Engclmanni, S. D. p. 67. 
A 
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390. Opuntia Pottsii, S. D. p. Q7. 
291. Opuntia sp. spinis rcctis elongatisj 2-3"longis. 
292. Opuntia iunicata, Lehm.— 0. exuviata a, DC. Pfr. p. 73. 
293. Opuntia imbricata, Haw.^ — S. D. p. 73. 
294. Opuntia leptocaulis, DC. — S. D. p. 73. 
f 
295. OpuNT.iA/r«/e5cews, Enge'lm. — S, D. p. 73. 
296. Opuntia sp. 0,'mycrodasi affinis. 
297. Opuntia sp. 0. robusia vel albicanti aflfinis^ sed incerta. 
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