CATALOGUE. 131 
It is apparently not the Var. ellqiticum of Beckwith's collection in the Sierras 
of Northern California. As observed by Dr. Gray, the plant does not accord 
w ith Niittall's description, nor in all respects with the characters of the 
genus ; the lateral wings, however, are contiguous until the full matuiity of 
the seed. Very frequent in Western Nevada from the ^Yashoe to the West 
Humboldt Mountains, and the earliest floweiing plant of sjmng; 4,500-6,000 
feet altitude ; March- June. (469.) 
Peucedanum (?) viLLOSUM, Nutt. MSS., (in Herb. Gray.) Caulescent 
or often nearly acaulescent, from a deep often branching rootstock, pruinose- 
pubescent ; leaves with broadly dilated scarious petioles, 2-3-pinnate and 
sometimes ternate, the segments laciniately lobed, often minute and 
crowded ; stems 3-10' high, with one or more subcapitate umbels ; the 
rays elongating in fruit; involucre none; involuccls unilateral, of several 
distinct linear-subulate membranous-margined leaflets ; calyx-teeth small ; 
petals yellow, narrower than in the last; fruit similar. — Collected by 
Nuttall on the x^lains of the Platte ; Nebraska, (Hayden ;) New Mexico, 
(Nevrberry;) and near Vii'ginia City, (Bloomer.) Resembhng F. dasy- 
carpum (which includes P. tomentosum) in habit, but differing in the 
involucels, more capitate umbels, less tomcntose fruit and especially in its 
more numerous vittse. It is P. foBniculacemn, r., T. & G. Western Nevada, 
from the Washoe to the Battle Mountains; 5-8,000 feet altitude; April- 
June. (470.) 
Heeacleum lanatum, Mx. From North Carohna to Kentucky and 
northward to latitude 58° ; Missouri, New Mexico, and on the western coast 
from Sitka to Monterey. Found in the Goose Creek Mountains, Utah, and 
frequent in the Wahsatch ; 6,000 feet altitude ; July-October. (471.) 
CoRiANDEUM SATIVUM, L. Ditch])ank, Unionville Valley, Nevada; 
introduced. (472.) 
CORNACEiE. 
CoRNUS PUBESCEXS, Nutt. MSS. (C. scricea, fi. ? occidentalism T. & G.) 
Branches suberect, branchlets spreading, more or less reddish, puberulent 
when young ; leaves ovate or elliptical, acute or acuminate, slightly pubescent, 
as w^ell as the somewhat crowded cymes, obtuse or acute at the base ; calvx- 
teetti minute ; petals oblong-lanceolate, rather obtuse ; drupes subglobose, 
white, becoming lead-color. — On stream-banks in mountain canons; 6-8° 
