80 The Botanical Gazette. [February, 
IRIS VERSICOLOR L. Larger blue flag.—This flower is de 
scribed by Professor Goodale in ‘‘Wild Flowers of America,’ 
32-35, and is there illustrated by a drawing by Isaac Sprague 
stigma may be touched. From the above it will be seen thi 
the flower shows a tendency to proterandry. 
The flower is adapted to long-tongued bees I have setl_ 
it visited by Bombus americanorum F. 9, B. pennsylvanii 
DeG. 9, and Synhalonia frater Cr. 22, ab. I have also seti 
a beetle, Trichius piger F., enter the flower so as to effet 
pollination, but this insect cannot reach the nectar. Some 
ay. 
On the pollination of /rzs see: 
(1) Sprengel, Das entdeckte Geheimniss. 20, 43-4, 69-79- 179% ; 
pseudacorus, xiphium, germanica, sibirica.—(2) Hildebrand, Geschle# 
tina, pseudacorus.—(7) Gray, Botany f le. II. How 
; y for young people. Ll. ee 
: $ Britsh wild flowers in relate 
insects 176. 1875. J. pseudacorus.—(g) Meehan, On self-fertilizati 
