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1. C. rostrata Ait. var. californica Ay-0C. California Hazelnut. 
Corylaceae, Hazelnut Family. 
Trees or shrubs with simple alternate leaves. Staminate flowers withe 
perianths, borne in pendulous catkins, each flower Consisting of 4 stame s, 
seemingly 5, each anther and filament representing half of & forked stamen, 
these borne upon small scales which conceal them before elongation of the 
ament. Pistillate flowers borne in inconspicuous clusters, only the red = 
stigmas emerging from the scales by which they are covered, each scale bearing’ 
2 flowers, each flower being subtended by 2 minute fringed bractlets, the a 
perianth very rudimentary. Fruit a globose nut which at maturity is housed 
within a a foliaceous involucre formed from the scales. 
Sac like 
Corylus (Tourn.}) L. Hazelnut. 
Characters of the family, Shrubs with smooth bark not separating 
into layers, flowering in early spring before the leaves appear. 
A shrub 1-2.5 m. tall, with numerous asucnding stems; bark smooth, grey with a : 
dull lustre, the branchlets olivaceous or brown, hirsute when young, becoming | 
glabrous, leaves 6-8 cm. long, Qbovate-oval, abruptly acuminateat the apex, 
narrowed and rounded and commonly lishtly comniate at the base, the margin 
Sharply serrate, the teeth 1-2 mm. tall, both surfaces hirsute, the upper 
becoming glabrate, petioles 1.52 om. long, hirsute; staminate catkins 6-8 CMe 
long, the bracts hirsute, acuminate, anthers with a tuft of hairs at the apex; | 
nut 12-15 mm. in diameter, globose, the involucre produced into a beak which is 
subequal to the nutlet or longer, ribbed, hairy at the base. 
Broad, well drained flats in the valley floor, Kootenai River. 
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