38 [831] Plants of the Rocky Mountains—Supplement L. 
and Columbia Rivers, where Abies nigra seems to be abundant, —s 
down to Santa Fe (Fendler, N. Mex. No. 833). Dr. Parry found i 
“composing a almost the _— forest growth of the mountain slopes of 
tapering cpwards; of rapid growth ; bar scaly, smooth and quite thin, 
soft, free of knots and sisi resinous, sea for inside work.” Could 
this be Abies rubra Loud. , and specifically distinct from A. nigra? 
Pixvs ARIsTata, Engelm. in St. Louis Transact., vol. 2, tab. 5 and 6. 
Dr. Parry had the good luck to discover this very peculiar and exclusively 
alpine species “ which does not descend lower than 9000 or 10,000 feet,” 
on the higher mountains of Clear Creek. As a full description and a 
figure has been given in the Transactions of the St. Louis Academy, I 
confine myself here to the statement that it is our only representative of 
Endlicher’s section, Pseudostrobus, which comprises numerous Mexican, a 
xce 
brought back by Dr. mys oa gre’ fifty annual rings, some of them 
gir of a line, and none more an at alin ne wide. 
NUS FLEXILIs, Jam 
c $ ition 
of the New York ee (vol. ii, p. 249) are — on notes only, no 
specimens having been collected. By later writers it has been ignored 
until Mr. Fendler in 1847 collected it on the mountains above Santa Fe, 
Coll. N. Mex. No, 832), when a short notice was published by the writer 
in te appendix to Wislizenus’ Memoir of a Tour to New Mexico, ete., 
1848, Endlicher, in his Synopsis Coniferarum, 1847, does not enumerate 
it, and Carricre in his Traité des Coniféres, 1855, credits it to Wislizenus, 
translating only my short remarks. con ttall, however, had ae sed (in 
> 
pao rasan ba oleae: e sections — oa 
Endlicher, and unites the two, as pee P. cembroides, Ppa Pacit. 
