216 BOTANICAL GAZETTE, _ [ August, 
merly vast herds of buffalo, and at present the herds and flocks of the 
western stockman, obtain from it a great part of their winter’s food. : 
The reason of this lies in the fact that in the mature plant, as found in a 
autumn and w the solid culms and stolons, together with the leaves, 
are perfect store-houses of food materials. Every parenchyma cell is di 
packed with starch grains. Buchloé, when ripe, furnishes more nutri- . 
ment, considering the size of the plant, than almost any other grass. 
Li JARED G. SMITH. ; 
f 
Color variation in flowers of Delphinium. 
_ The dwarf larkspur, Delphiniwm tricorne Michx., is a common plant 
in many parts of the Mississippi valley, and is the only one, so far as I 
single blue-flowered form at La Crosse. The flowers were always W hite 
or greenish white, very much like the white form of Delphiniwm tricorné. 
St. Lowis, Mo. ; ““L. H. PAMMEL. 
CURRENT LITERATURE. 
North American Geraniums.! 
yar. 
stricta (O. stricta of the Manual). With the 2 species of Impatiens, ¥° 
' bi . concern: 
ing these Various species are full of interest, but too detailed for proper 
presentation in this review. 
1 TRELEASE, WILLTAM.—North American Geraniaces. From the Memoirs of the 
Soc, i : 
Nat. Hist. iv, pp. 71-103, with 4 plates, [Issued January, 1888.] ae as 
