Trees, Shrubs and Vines 



single and full-double varieties, the latter somewhat like small 

 full roses ; May ; branches bright green from March on ; another 

 form has foliage white-variegated ; 2°-5°. (PI. III.) 



54. Buffalo or Missouri Currant. (Ribes aureum.) 



Leaf : 2', simple, alternate, 3-lobed and coarse-toothed, 

 roundish. Flower : p. bright yellow, spicy-fragrant (petals 

 and stamens 5, styles 2 or i), in small racemes bearing leafy 

 bracts ; early spring ; berries blackish, tasteless. Western 

 States. (PI. III.) 



55- St, John's-wort. (Hypericum moserianum.) 

 Leaf : i' or more, simple, opposite, entire, with translucent 

 dots. Flower : p. yellow, large, 2' or more across (petals 5, 

 many stamens), abundant, low shrub. 



56. Siberian Pea-tree. (Caragana arborescens.) 



Leaf : even-pinnate ; leaflets, 8-16, i' long, entire, elliptical, 

 somewhat hairy, prickly-pointed. Flower : yellow, pea-shaped, 

 in umbels; May; 6°-i2°. Siberia; slightly arboreal. (PI. III.) 



57. Bladder-senna. (Colutea arborescens.) 



Leaf: odd-pinnate; leaflets, about 11, i', entire, oval, emargi- 

 nate, dull green. Flower : yellow, pea-shaped, 3-6-clustered, 

 throughout summer ; of arboreal figure. Europe. (PI. III.) 



58. HoUy-leayed Barberry. (Mahonia aquifolium.) 



Leaf : pinnate, alternate ; leaflets, 5-9, 2', spiny-toothed, oval 

 or long-ovate, very glossy. Flower : p. yellow (petals 6, 1 sta- 

 men in frontal each petal, their anthers with hinged valves at 

 top like trap-door, i pistil), in racemes ; spring, berries black or 

 blue with bloom ; 2°. Oregon. (PI. IV.) 



59. European Elder. (Sambucus nigra.) 



Leaf : odd-pinnate ; leaflets, mostly 5, 1-3', serrate, long-ovate, 

 long-pointed. Flower : m. yellowish-white, fragrant (corolla 

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