56 
BOTANY OF THE ROUTE. 
B. nervosa, (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 G. 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. 
Corydalis Scouleri, Hkr., (C.) Rocky edges of brooks in mountain forests, 3 feet; 
June 15. 
Nasturtium curvisiliqua, Nutt., (T.) Steilacoom ; common in wet grounds on prairie, 2 feet 
high; June. 
N. palustre, DC. Marshes along coast, common ; June. 
Barbarea vulgaris, R. Br., (G.) Abundant in damp meadows, everywhere to coast; May. 
Arabis hirsuta, Selys., (T. & G.) Common in dry prairies, Steilacoom and Shoal water 
bays ; May. 
Cardamine angulata, Hkr., (C.) March 4 to May. Common in shady rich woods every¬ 
where. 
C. hirsuta, Linn., vars. ft. & 7*., (G.) Abundant in wet grounds everywhere ; April. 
C. oligosperma, 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 Shoal water 
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 collections. Having been collected by Dr. Parry in 
California, it will be characterized in the botany of the Mexican boundary survey.” Gray. 
Erisymum asperum, DC. (T.) Dry prairies near Steilacoom, not common ; June 1. 
Draba nemoralis, Ehrh. var. ft., (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 praries 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. oblongifolia, Torr. & Gr., (G.) Sandy salt marsh, with the 
preceding; September. 
Sagina procumbens, Linn., (G.) With the two preceding; May. 
Maehringia lateriflora, Linn., (T.) Dry prairie near Steilacoom; June. 
(Arenaria tenella, Nutt., (G.) Steilacoom, S.) 
(A. macrophylla, Hook. Steilacoom, S.) 
