elxx Journal of the Asiatic Society of Bengal. [NS., XIV, 
senor subaquatic thickets. The sails falls considerably in July and 
August and in this season the plant sends up young shoots. The old 
sn pte ae which the ‘sulphur is set free is suggested as a matter worthy 
of e 
Preliminary note on the significance of Nyctiotropism.—By 
T. EKAMBARAM. 
1. The hypotheses advocated by Charles Darwin and Stahl are 
shown to be ios edie 
2. Observations made, as regards the differences braked = nictiotropie 
and non-nyctiotropic plants, bo: given and their significance in the > 
ae of the plants is discuss 
e hypothesis that Sictiobrapienn | is an adsptation for the absorp 
tion and dpm! of CO, a Poipcoins is suggested. 
experiments are stated to show that the capacity fot 
storage of 004i is probably a Piteaneat phenomenon among plants. 
Hybernating mycelium and the part it plays in the per 
petuation and spread of rust on Laune nifolia 
and the smut of Doob.—By K. Cu. MEHTA. 
1 te. out the 
of experiments carried with a view er bye 
perenni: ennial nature of the mycelium inside diseased sake ) 
asplenifolia. 
e part played by ig in the dispersion of the diseas? 
4. Cause of smut o oom 
5. Results of SL aialattons « on healthy Doob. a] natare of 
ts of experiments which establish the perennial BY” a 
the mycelium inside diseased Doob. shea a 
pearance of disease every year and the production in a . 
brought abou ut by the mycelium within the underground . 
Portions of Launea asplenifolia and Cynodon dactylon 3 
Dimorphic earpellate flower in Acalypha Indica (LE) 
L. A. Kenoyer. 
I 1 Mr and 
cemece” one, of the usual Mech sence Tuphorbiaceo 7s with 
another, which pte the flowering branch, one-car pe 2 
cate “val hoods on either side. 
tudy of development shows that this terminal 3 ovale 
one of the carpels of the ordi inary flowers. But as it d velps, at le a . 
and carpel become simbgletely f inverted, bringing the ia snip 
the funiculus and the style against the peduncle. bare 
pieyileannd flower becomes inverted and its funiculus eae the mene 
e comm re pap : 
the distal oe A space left between micropyle and bh 
seed b pheics gtd oorn cle, which is prac 
the seed of the terminal flow . 
a pear from 
