Bailey & Bailey: Woody Plants of National Parks 25 



B. Shrubs with leaves scale-like, awl-shaped, or linear, 

 OR leaves apparently none. 



Flowers borne singly or in clusters, not in heads. 



Flowers without petals, or the petals or petal-like sepals distinct. 

 Fruits fleshy. 



Branchlets not spine-tipped; fruits berry-like. 



Berries blue with a bloom, resinous; leaves awl-like and sharp- 

 pointed, or scale-like JUNIPERUS, p. 30. 



Berries black or red, without a bloom, not resinous; leaves linear. 



Shrubs 1 to 12 feet high, or sometimes frees; leaves I/2 '"'^h 



or more long; berries red TAXUS, p. 29. 



Low clinging shrubs forming mats; leaves scarcely 5/4 inch 



long; berries black Empetraceae, p. 204. 



Branchlets spine-tipped; fruits like liny peaches 



Prunus fasciculata, p. 128. 



Fruits dry capsules or seed-like achenes. 



Fruits seed-like achenes, sometimes winged; flowers not red. 



Stems apparently leafless ; flowers and fruits borne m small scaly 



cone-like structures EPHEDRA, p. 32. 



Stems leafy; flowers not m cone-like structures. 



Leaves mostly somewhat fleshy, often mealy; fruits often 



winged Chenopodiaceae, p. 75. 



Leaves mostly somewhat leathery; fruits often tailed 



Rosaceae, p. 98. 



Fruits tiny capsules; flowers red or red-purple. 



Flowers tiny, borne in large spreading clusters 



Tamaricaceae, p. 174. 



Flowers about J/2 inch across, one to several KRAMERIA, p. 145. 



Flowers with corollas bell-shaped or tubular. 



Stems not spiny; fruits capsules. 



Leaves green on both sides, scale-like or linear; flowers bell-shaped 



Ericaceae, p. 180. 



Leaves white-woolly below, linear due to inrolled margins; flowers 



tubular ERIODICTYON, p. 206. 



Stems spiny; fruits berries Solanaceae, p. 208. 



Flowers borne in flower-like heads surrounded by an involucre of scale-like bracts; 



fruits seed-like achenes Compositae, p. 228. 



C. Leaves alternate, not scale-like, awl-shaped, nor linear. 



1 . Leaves simple, often toothed but not lobed nor divided into leaflets. 

 a. Shrubs not spiny nor prickly. 



Flowers of two kinds, pollen-bearing and seed-producing, borne separately and at 

 least the pollen-bearing borne in catkins. 



Seed-bearing and pollen-bearing flowers both borne in catkins, these sometimes 

 woody or cone-like. 

 Fruits small I -celled capsules with cottony seeds; scales below fruits small 



and inconspicuous SalicACEAE, p. 37. 



Fruits tiny nutlets borne in the axils of enlarged bracts forming small cone- 

 like structures. 



