52 
THE BOTANY OF THE ROUTE. 
Berberis aquifolium, (Pursh.) Abundant in fir forests and across Cascade mountains east¬ 
ward, not west of Coast mountains; flowers in March, fruit ripe in July; called “Oregon 
grape;” eatable when cooked. Fort Steilacoom, (S.) 
B. neryosa, (Pursh.) With the preceding, west of Cascade mountains, (only?) flowering at 
the same time; the flowers only differing in their larger size. Both are similarly fragrant; stems 
creeping beneath the surface, the ends only rising a few inches. 
Achlys triphylla, (DC.) Vancouver to Olympia, in fir forests. Flowers May 1, common, 
“A decoction of the root used for pains in the breast.” (G.) 
Nuphar advena, (Aiton.) Ponds on mountains and near coast, April. 
Chryseis Californica, (Hkr. & Arnott.) Garden near Steilacoom. Introduced ? Agrees 
nearer with this than C. Douglassii , which I did not meet with in the Territory. Flowers 3 
inches wide, orange; June. 
Dielytra Formosa, DC. (G.) Common in rich grounds; Cascades to coast. April to 
July. 
Cory'dalis Scouleri, Hkr., (C.) Pocky edges of brooks in mountain forests, 3 feet; 
June 15. 
Nasturtium curyisiliqua, Nutt., (T.) Steilacoom; common in wet grounds on prairie, 2 feet 
high; June. 
N. palustre, DC. Marshes along coast, common; June. 
Barbarea vulgaris, B. Bix., (G.) Abundant in damp meadows, everywhere to coast; May. 
Arabis hirsuta, Seeys., (T. & G.) Common in dry prairies, Steilacoom and Shoalwater 
bays; May. 
Cardamine angulata, Hkr., (C.) March 4 to May. Common in shady rich woods every¬ 
where. 
C. hirsuta, Linn., vars. /?. & y., (G.) Abundant in wet grounds everywhere; April. 
C. oeigosperma, Nutt., (T.) April; Whidby’s I. Less common. 
Dentaria tenella, Pursh. Whidby’s I., in damp woods; April; tuberous, flowers purple. 
Sisymbrium canescens, Nutt., (T.) Prairies, Whidby’s I., April. Common, 2 feet high. 
Sisymbrium deflexum, Harvey, (G.,) var? (not in FI. of N. A.) Sandy prairie at Shoalwater 
bay, not common, June, 4 feet high; May to July. “This seems to be a very luxuriant state 
of the species of Coulter’s California colections. Having been collected by Dr. Parry in Cali¬ 
fornia, it will be characterized in the botany of the Mexican boundary survey.” Gray. 
Erysimum asperum, DC., (T.) Dry prairies near Steilacoom, not common; June 1. 
Draba nemoralis, Ehrh. var. /?., (T.) Prairies on Whidby’s island; March 20; common. 
Capsella Bursa-pastoris, Moench., (T.) Prairies on Whidby’s island. Introduced? 
Viola adunca, Smith, (G.) “Probably the same specifically as V. canina.”— Gray. Dry 
sandy prairies, Whidby’s island and coast; blue; March 5. (Steilacoom, S.) 
V. Nuttallii, Pursh., (T.) Dry prairies, Whidby’s island; March 20; common; yellow. 
V. glabella, Nutt., (G.) Damp, shady woods near coast; 10 inches; May 1; yellow. 
Drosera rotundifolia, Linn. Sphagnous swamps, near mouth of Columbia river; July. 
Hypericum scouleri, Hooker. Common in prairies everywhere; June. 
Paronychia ramosissima, (DC.,) (G.) Sandy prairie along coast at Shoalwater bay. 
Spergularia rubira, Persoon, (G.) Sandy prairie along coast at Shoalwater bay; May. 
Honckenya peploides, Ehrh. var. oblongi/olia, Torr. & Gr ., (G.) Sandy salt marsh, with the 
preceding; September. 
