COOPER 



PLATE J 



A. Subalpiiic forest zone in thp northern Sierras: conifer-forest ehaparnil in 



foreground; Mount I^assen in the distance. 



B. Secondary thicket growth of QuerctM kelloggii and Q. garryiuia, with relicts 



of I'inuii poiuleroKfi and /^xeuilolniiga miicronnta. South F'ork Mountain, 

 Trinity County. 

 v.. Conifer-forest chaparral association; Arctostaphytos /xilida, A. nevadensis, 

 Ca.fUmopsis sempervirenn. Ceanothua velutinus, Querru.s raccinifolia, Amel- 

 finchier alrdfolia; remnants of chmax forest. Near Mount La.ssen. northern 

 Sierras. 



