TO THE HISTORY OP CERTAIN COI^IFERS. 



183 



some of the pale-leaved forms to grandis, and keeping separate 

 the form found in New Mexico, Utah, &c. 



I^ngl 



Nairn 



Synopsis Amer. Firs, Trans. Acad. St. Louis, 1878, p. 597, et in 

 Gard. Chron. Feb. 19, 1881, p. 236, f. 43, 44, 45 j Sargent, Forest 

 Trees of North America (1884), p. 211 ; Coulter, Bot. Eockg Mts. 

 1885, p. 430. 



Fig. 12. 



Abies subalpina, ^ng.^=Pu€a blfolia, A, Murr, — Native specimen 



A, cone ; b, leaf and cross section; 



