254 Part III. 
to the Sierra Nevada and Rocky Mountains only; and d) those common to x 
the Sierra Nevada, Cascade Mountains and Rocky Mountains. 
a) Confined to the Sierra Nevada. 
Arabis platysperma Gray. 
Arctostaphylos nevadensis Gray. 
Arenaria compacta Coville. 
Artemisia Rothrockii Gray. 
Aster Andersonii Gray. 
Bigelovia Bolanderi Gray. 
Bryanthus Breweri Gray. 
Chrysopsis Breweri Gray. 
Crepis intermedia Gray var. pleuro- 
carpa Gray. 
Draba Lemmoni Wats. 
Epilobium obcordatum Gray. 
Erysimum asperum Nutt. var. perenne 
Eulophus Parishii C.& R. [Wats. 
Gentiana serrata Gunn var. holopetala 
Gray. 
Hemizonia Wheeleri Gray. 
Hulsea algida Gray. 
Leucothoe Davisiae Gray. 
Lupinus Breweri Gray. 
Lychnis californica Wats. 
b) Common to the Sierra Nevada and Cascade Mountains only. 
Allotropa virgata Torr. & Gray. 
Carex Breweri Booth. 
Claytonia triphylla Wats. 
Salix Barclayi Anders. 
Gentiana Newberryi Gray. 
€) Common to the Sierra Nevada and Rocky Mountains only. 
Alsine baicalensis Coville (= Stellaria 
umbellata Turcz.). 
Carex incurva Lightf. 
Gilia Nuttallü Gray. 
Helenium Hoopesii Gray. 
Luzula (Juncoides) spicatum Desv. 
d) Common to the Sierra Nevada, Cascade Mountains, and Rocky Mountains en 
Alsine longipes Goldie. 
Antennaria dioica Gaertn. 
Arabis hirsuta Scop. 
Chapter 3. 
Orochaenactis thysanocarpa Gray 
(Chaenactis in part). 
Oreobroma nevadensis Gray. 
Pedicularis attollens Gray. 
Montia fontana L. 
Bryanthus (Phyliodoce) Breweri Gra} 
Potentilla santolinoides Baill. 
» Wheeleri Wats. 
Primula suffrutescens Gray. - 
Quercus vacciniifolia Kell. (= Q.C 
solepis Liebm. var. vaccinii 
Engelm.). 
Raillardella argentea Gray. 
Ranunculus oxynotus Gray. 
Salix macrocarpa Nutt. var. arge 
Saxifraga bryophora Gray. [Be 
Silene bernardina Wats. 
»  californica Dur. 
Streptanthus tortuosus Kell. 
Velaea vestita Wats. 
Tanacetum canum Eaton. 
Juncus orthophyllus Coville. 
Lonicera conjugialis Kell. 
» involucrata Banks. 
Potentilla glandulosa Lindl. var. neva- 
densis Wats. 
Navarretia (Gilia) Breweri Gray- 
Polemonium confertum Gray. 
Potentilla procumbens Sibth. 
Swertia perennis L. 
Pinus flexilis James. 
Seirpus pauciflorus Lightf. 
Arnica Chamissonis Less. 
Crepis nana Rich, 
Carex aurea Nutt. 
