ERICACE-E. 73 



J. JL. NevadensiB, Or, Le&ves obovate or narrower, cnspidate-macroivate, obtn»e al 



base. 

 8. A. pumila, N'ntt. Tomentulose, palo leaves oblong-obovate obtuso or retnso. 

 4. A. Hookeri, Don. Diffuse: leaves green, ovate or oval, cuspidate or acuminAta. 

 6. A. nuramularia, Gr. Very leafy: leaves mostly broadly oval, ends rounded. 



6. A. Andersoni, Or. Leaves thin, brit;ht green, base sagittate or cordate. 



7. A. tomentosa, Dougl. Branohlets bristly: leaves pale, ovate or narrower. 



8. A. p^mgeiis, HBK. Leaves rigid, oblong- lanceolate to round-ovate, entire. 

 Var. platyphylla, Gr. Leaves paler, broader, 1 or 2 inches long; not cuapidate. 



9. A glauca, Lindl. Larger (8 to 24 ft. high): fruit larger: glabrous branchlets. 



10. A bicolor, Gr. Leaves tomentose beneath: flowers rose-color 3 or 4 lines long. 



11. A. Clevelandii, Gr. More hairy; leaves narrower, sessile, acuminate. 



12. A. polifolia, HBK. Leaves linear-lanceolate: fruit rough, purple. 



4. GAUIiTHERIA, Linnaens. 



Flowers in slender but stiff, often branching, bracteate, viscid racemes 1 



Flowers axillary, solitary; filaments glabrous; anthers not awned 2, 3 



1. G. Shallon, Pursh. Spreading, 1 to 4 ft. high; leaves 2 to 4 inches long; serrulate. 



2. G. Myrsinitea, Hooker. Spreading in tufts : leaves oval or orbicular i inch long.. 



3. G. ovatifolia, Gr. Larger: leaves broadly ovate to aubcordate. Or. N. 



6. LUCOTHOE, Don. 

 1. Ii, IDavisao. Torr. Flowers in terminal, often clustered raceines, white, 8. N. Mt% 



6. OAS^-IOPE, Don. 



1. C. Mertensiana, Don. Leaves keeled, not furrowed on back, 1^-2 lines long. 



2. C, tetragona, Don. Leaves thick, deeply furrowed on back, often pubescent* 



3. C. lycopodioides, Don. Stems creeping filiform: leaves barely a line long. 



7. BRYANTHUS, Steller. 



1. B. Brewori, Gr. Corolla rose-purple, 5-cleft to the middle, 4-5 lines broad. 



2. B. empetrifonnis, Gr. Corolla smaller slightly lobed: stamens included. 



K. 



8. KALMLA, Linnffius. 

 glauca. Ait Leaves glaucous, white beneath: flowers sancer-shaped. Alpin f^ 



9. MENZIESLA., Smith. 



1. M. glabella, Gr. Leaver ohoviite, usually obtuse: filaments ciliate below. 



2. M. ferrug^inea, Sm. I^eavea oblong or broadly oblauceolate, acute, nisty-hAiij. 



