52 THE BOTANY OF THE ROUTE. 



Berberis aquipolium, (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. NERVOSA, (Pursh.) With the preceding, west of Cascade mountiiins, (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 TEiPHYLLA, (DC.) Vancouvcr to Olympia, in fir forests. Flowers May 1, common, 

 "A decoction of the root used for pains in the breast." (G.) 



NuPHAR ADVENA, (Aitou. ) Ponds on mountains and near coast, April. 



Chryseis Californica, (Hkr. & Arnott.) Garden near Steilacoom. Introduced ? Agrees 

 nearer with this than C. Donglassii, which I did not meet with in the Territory. Flowers 3 

 inches wide, orange; June. 



DiELY'TRA 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, 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 L, April. Common, 2 feet high. 



Sisymbrium deflexum, Harvey, (G.,) var? (not in Fl. 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 aspeeum, DC, (T.) Dry prairies near Steilacoom, not common; June 1. 



Draba nemoralis, Elirh. var. /?., (T.) Prairies on Whidby's island; March 20; common. 



Capsella Bursa-pastoris, Moench., (T.) Prairies on Whidby's island. Introduced? 



YiOLA 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.) Dr}' 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. vav. ohlongi/olia, Torr. & Gr., (G.) Sandy salt marsh, with the 

 preceding; September. 



