(os Oke apes 
a, 
Li ig a A Rah ras US i A 2 ale ari I aa gn 
Botany and Zoology. 285 
has ably but rather diffusely elaborated, we take the opportunity to re- 
(1.) That the wild potato-plant in question is a true potato, but not of 
the same species as the common potato, the Solanum tu m. 
in that regi One has a 
white and 5-parted corolla, and oblong-lanceolate leaflets mostly acute at 
Oo, an 
the 18 allied forms recognised by Dunal as species (but perhaps all mere 
varieties of one species,) a set of much smaller leaflets are interposed be- 
tween the larger o 
tween Eastern Texas and El Paso by the military road then opened 
through that region: and again in 1851 and 1852, they were gathered 
im various parts of New Mexico by Mr. Wright, Dr. Bigelow, and the 
other naturalists attached to the Mexican Boundary Commission, who 
recognised their near relationship to the common potato. _ 
(3.) Some experience has already been had in cultivating other and 
nearly related species as a substitute for Solanum tuberosum, but without 
e 
(Prodr. 13, p. 677,) that the Mexican Solanum 
ted two years in Switzerland, near Geneva, without being affected by the 
_ Statement of Prof. Agassiz in this Journal, vol. xiii, p. 426, where he says : 
“In regard to the eta called Cume, I aman say positively that 
” ut 
group must as a whole be suppr can state with confi- 
dence that all the species of that genus which I have had an opportunity 
to j ¥ 
alive—and I have watched three—are young of Palemon 
