PIPEE FLORA OF THE STATE OF WASHINGTON, 55 



Herbs. 



Achlys triphylla. 

 Allotropa viryata. 

 Jiikukulla formosa. 

 Equisetum telmateia. 

 Hemitomes congestum. 

 Juncus covillei. 

 Juncus oxymeris. 

 Lathyrus polyphyllus. 

 Leptaxis menziesii. 



Lupinus r'wularis. 

 Petasites speciosa. 

 Poa hoicellii. 

 Polypodimn occidentalc. 

 Struthiopteris spican t. 

 Synthyris rotundifoUa. 

 Vancoiweria hexandra. 

 Vicia gigantea. 

 Viola hoicellii. 



PLANTS THAT OCCUR IN THE MOISTEB PARTS OF THE YELLOW PINE SUBAREA IN 

 WESTERN IDAHO, BUT NOT IN THE HUMID TRANSITION OF WESTERN WASH- 

 INGTON. 



Trees. 



Alnus tenuifolia. 



Androvieda poUfolia. 

 Derheris repens. 

 Chiogenes hispidula. 

 Cornus stolonifera. 

 Lonicera conjugialis. 

 Bhamnus alnifolia. 



Aconitum columhianum. 

 Acorus calamus. 

 Antennaria racemosa. 

 Aralia nudicauUs. 

 Arnica cordifoUa. 

 Aster laevis geyeri. 

 Calochortus elcgans. 

 Carex geyeri. 

 Carex nebraskensis. 

 Clematis columbiana. 

 Clematis hirsutissima. 

 Coptis occidentalis. 

 Frasera thprsiflora. 



Shrubs. 



Herbs. 

 \ 



Larix occidentalis. 



Ribes irriguum. 

 Ribes viscosissimum,. 

 Rubus strigosus. 

 Sambucus melanocarpa. 

 Spiraea corymbosa. 

 Spiraea menziesii. 



Oentiana oregana. 

 Hydrophyllum capitatum. 

 Ligusticum, verticiUatum. 

 Mitella stauropetala. 

 Pentstemon pinetorum. 

 Petasites dentata. 

 Ranunculus plbtyphyllus. 

 Rudbeckia occidentalis. 

 Sanicula marilandica. 

 Sphaeralcea rivularis. 

 Synthyris rubra. 

 Therofon majus. 

 Trillium petiolatum. 



HUMID TRANSITION PLANTS COMMON IN WESTERN WASHINGTON, BUT VERY RARE IN 



NORTHERN IDAHO. 



Trees. 

 Cornus nuttallii. Occurs only in the valley of the middle fork of the Clearwater. 



