PIPER—-FLORA OF THE STATE OF WASHINGTON. 7d 
PLANTS WHICH PROBABLY WILL BE FOUND TO OCCUR IN 
WASHINGTON. 
The following list consists of species which are known either to 
occur both in Oregon and British Columbia, or else to grow within 
13 kilometers (10 miles) of the Washington boundary. Most of 
-them will probably be found to occur in Washington localities : 
Agrostis howellit Scribner. Rooster Rock, Oreg. 
Allium cusickii S. Wats. Bluffs opposite Lewiston, Idaho. 
Andromeda polifolia I.. Priest Lake, Idaho. 
Arnica aurantiaca Greene. Blue Mountains, Oreg., and Chilliwack, B. C. 
Aster cordalenus Hend. Lake Coeur d’Alene, Idaho. 
Aster lyalli A. Gray. Vriest Lake. 
Astragalus howellii A. Gray. Near The Dalles, Oreg. 
Brachyactis frondosa (Nutt.) Gray. The Dalles, Oreg. 
Carex interior Bailey. Chilliwack Valley, B. C. 
Chiogenes hispidula (1...) Torr. & Gray. Priest Lake. 
Cyperus houghtoni Torr. Upper Ferry, near Lewiston, Idaho. . 
Delphinium trolliifolinm A. Gray. South bank of Columbia below Cascades. 
Brigeron howellii A. Gray. Near the Cascades of the Columbia, Oreg. 
Eriophorum angustifolium Roth. Chilliwack Valley, B. C. 
Eupatorium purpureum L. Saturnaelsland, B. C. 
Festuca reflera Buck]. Portland, Oreg., and Vancouver Island. 
Howellia aquatilis A, Gray. Sauvies Island, Oreg., and Kootenai County, Idaho. 
Lepidium idahoense Heller. Lewiston, Idaho. 
Lilaea subulata H. B. K. Oregon and Vancouver Island. 
Lomatium donnellii Coult. & Rose. Near Lewiston, Idaho, 
Microseris bigelovii A. Gray. Oregon and Vancouver Island. 
Mimutlus clivicola Greenman. Thatuna Hills, Idaho. 
Mimulus scouleri Hook, Tongue Point, Oreg. 
Mitella stauropetala Piper. Thatuna Hills, Latah County, Idaho. 
Myosurus sessilis S. Wats. Near Arlington, Oreg. 
Onoclea struthiopteris (L.) Woffm. Saturna Island, B. C. 
Poa invaginata Scribner & Williams. Mitchells Point, Oreg. 
Nalic prolira Anders. Mouth of Fraser River, B. C. 
Sanicula marilandica L. North Idaho. 
Savastana macrophylla (Thurb.) Beal. Sauvies Island, Oreg. 
Scirpus macounti Hohn. Chilliwack Valley, B.C. 
Sullivantia oregana Wats. Multnomah Falls, Oreg. 
