BOTANICAL GAZETTE 
i 
it 
a’ 
Me 
et 
FUNE, 1894. 
_ 
8 
3 
P Leaf movement in Cercis Canadensis. 
: Ss. G. WRIGHT. 
3 WITH PLATES XIX AND XX. 
Among the numerous observations which have been made 
foncerning leaf movement the bulk of attention has probably 
ween given to the investigation of the especially interesting 
_ Phenomena connected with Mimosa pudica. The histologi- 
_ Gal structure and development of the unusually sensitive pul- 
“itus of this plant has been quite fully described. Numerous 
other members of the Leguminosz have well marked pulvini 
3 ~ offer admirable opportunities for physiological and hist- 
7 oh See Study. Cercis Canadensis L., while presenting less 
cable leaf movement than the sensitive plant, proves on 
' aoe examination to be a very interesting subject for inves- 
tigation, 
al Pulvinys. 
est | : 
di found on a thriftily growing tree gave the following 
Ments, : 
PEE os ok 5 esis si vewiasie 5. 
ENO nos cd ang vueuea wakes: (apne meeommare see Goad 
net SOW end ee arenas 3. 
diameter, tinea ~ ah Senhora oe eee 2 0 
zontal din pee SO rae a vs 
A fistieler of petisle. ©2222 its guano sm 
No. 
