dae Ses i wie 
Botany and Zoology. 235 
flexilis is not common; it grows at 8,500 feet, with P. ponderosa, 
Abies grandis, Menziesii, Engelmanni and Dougiasii, all associ- 
ated at this altitude.” “ Pinws edulis is said to fruit once in seven 
ears.” “The number of phenogamous plants growing in south- 
Tosaceous shrubs and Artemisia tridentata [sage-bush], the great 
number of the annual species togonum, the showy blossoms 
of Malvacex, and the few species of Astragalus and Pentstenon. 
Nevertheless, the characters of four new Astragali appear in the 
‘ccompanying list, and of other new species the number is con- 
siderable, ge 
8. Darwiniana: Essays and Reviews pertaining to Darwin- 
wm; by Asa Gray. 396 pp. 8vo. New York: 1876. (D. 
Appleton & Co.\—The first two of the “ Essays and Reviews” 
here collected into a volume, appeared in this Journal in 1860, not 
Species; and the others, subsequently, in this or other Journals of 
e 
;) 40 his paper of 1861—Chapter III—he says: “ We are 
“hak wed or prepared to take aes for or against the new 
MP nesia. 
é © next essay in the series published in 1863, presents some 
of facts connected with variation among plants, and indi- 
from species, offering many strong facts in favor of the 
