- 1892.) Flowers and Insects. 173 
e basi angusta falcato-oblonga, lobulo lanceolato profunde so- 
ica est. Lejeunea Austini cellulis multo minoribus gaudet. A 
temarkable feature in this plant is the large incrassations at 
the angles of the cells, which form very distinct triangles with 
acuminate points, 
Kaiser Wilhelm str. 9., Leipzig, Germany. 
Flowers and insects. VIII. 
CHARLES ROBERTSON. 
. ISOPYRUM BITERNATUM Torr. & Gray.— The plants grow 
Pe damp, rich woods, in small patches, notably about bases of 
s+ , The stem rises a few inches and bears a few-flowered 
a 'n which only one or two flowers are open at the same 
€. 
t 
evidently for n 
Ner stamens 
anthers dischar 
€n the c 
Sommonly in 
and have receptive stigmas before any of the 
Se, so that the flower is female in the first stage. 
yme contains two open flowers, one of aaa 
Case of in the male, the other in the female stage. - n 
from rect visits, the latter is more apt to receive pollen 
eines stem, but may receive it from the older flower 
