64 
BOTANY OF THE ROUTE. 
Sambucus pubens, Mich. var. (S', racemosa, Hlcr.) (G-.) Common in the forests, growing 20 
feet high ; April 20. 
S. glauca, Nutt. Plains and prairies on both sides of Cascade mountains ; most common 
eastward. Not west of Coast range ; June 20 ; Steilacoom. Berries much more pleasant than 
those of G. Canadensis; ripe in July ; blue. 
Galium trifidum, Linn. (G.) Common in the thickets, &c.; June. 
G. triflorum, Mich. (G.) In similar places everywhere ; June. 
(G. Aparine, Linn. (G.) Steilacoom, S.) 
Valeriana capitata, Willd. Rare; on rocky banks of “Stab-chess” river, near Olympia; 
May 1 ; 3 feet high ; flowers pink, fragrant. 
Plectritis C0NGESTA, DC. (G.) Sandy soil along sea-shore and Straits of De Fuca; common. 
Flowers pink; June and July. Sometimes 3 to 4 feet high, decumbent. (Steilacoom, S.) 
Nardosmta palmata, Hooker, (G.) Common on the sloping clay banks bordering Shoalwater 
bay and Puget Sound ; March 15. 
Aster Douglassii, (G.) This seems to be the only species of this numerous genus common 
west of the Cascade mountains, in this Territory. It grows in moist meadows, from two to 
five feet high ; the latter on the coast. This large variety has leaves 4 inches long and 1 broad, 
and, except in the want of “ canescent pubescence/ ’ seems to approach A. Menziesii, Lindl. 
Rays bright or dark purple ; July to September. 
Erigeron speciosum, DC., var. /?. (T.) On dry prairies near Puget Sound. Rare ; July; 2 
feet. Flowers pale purple. 
(Erigeron Canadense, Linn. (G.) Steilacoom, S.) 
Solid ago confertiflora, DC. (G.) Abundant on the sandy sea-shore prairies in dry soil; 
September; not more than two feet high; raceme very large and dense, 6 inches long. 
(Steilacoom, S.) 
S. elongata, Nutt., var. (T.) Not abundant; in open spots, along Columbia river and sea¬ 
shore ; not seen near Steilacoom ; July; 4 feet high. 
Grindelia integrifolia, DC. Common on wet meadows near the sea; var. /?. near mouth 
of Columbia river ; July. (Steilacoom, S.) 
Franseria Chamissonis, Lesson; /?. cunei/olia, Nutt. (G.) Common in sand hills near edge 
of salt water along coast; July. 
F. Bipinnatifida, , Nutt. (G.) In the same situations near mouth of Columbia. Common. 
Both form bushy, prostrate tufts in the sand. I observed no intermediate forms of the leaves. 
Balsamorhiza deltoidea, Nutt. (T.) Common on moist prairies of the interior, nearly to 
top of Cascade range, not west of Coast mountains; July; near Puget Sound. “Root 
edible.” (G.) 
Bidens cernua, Linn. (G.) Not common; in swampy salt marshes along sea-coast; September. 
Bahia lanata, Nutt. (G.) Common on dry plains east of Coast range; June. (Steilacoom, S.) 
Madia racemosa, Torr. & Gray, (G.) (Steilacoom, S.) 
Achillea millefolium, Linn. (G.) Abundant everywhere in dry soil. (Steilacoom, S.) 
Coinogyne carnosa, Lesson. (G.) Common on the edge of salt marshes among Salicornia, 
from which it is not easily distinguished when not in flower; July to September; flowers bright 
yellow. 
Tanacetum Huronense, Nutt. (G.) Sandy soil along sea-shore and interior prairies; July. 
Artemisia Douglasiana, Bess. (C.) On steep clay banks about Shoalwater bay; September. 
