116 LS.C. Proceedings of the Ninth [N.S., XVIII, 
9, The capsule-wall is only two layers of cells in thickness at the 
time of the division of the spore ~ esi cells. The calyptra, 
at this stage, is 4-6 cells in thicknes 
10. The number chromosomes is 12 in Fike sporophyte and 6 in 
the gametophyte 
opera scone to the life-history of Pingus longifolia.—By 
M. L. Ser 
e present aneeagth is continuation of a paper which the writer read at 
9 PAA es Session f the Congress on ‘‘ The Female inoear of 
fol egg 
ow th 
neck. The pollen-tube opens into the archegonium m by a definite pit and 
discharges all its contents into the archegonium along with some cytoplasm 
an . reh grains. Only the larger deals nucleus cco part in fecundation. 
The tube-nucleu stalk cell soon disorganise in the egg cytoplasm, 
The first Join divisions following fecundation take a very eae Shy The 
four segmentation nuclei pass down to the base of the egg and arrange 
themselves in one plane. Cross walls are formed in connection with the 
first division. The vertical walls are also formed at this stage on fibres 
in oplasm en 
xe | 
development of the proembryo. The pibicese sa s formed from the secon 
tier from below. This pushes down the embryo-tier into the female pro- 
shalt the starchy = of whose cells nbobinily serve as a nutriment 
the growing embry 
Note on some attached | forms of Zygnemaceae.—By M. 0. 
PARTHASARATHY IYENGAR. 
Three attached algae eee to the Zygnemaceae (a Spirogyra, a 
attachment and a Mougeotia) were studied as regards their methods 0 of 
a Cc 
a forms a well developed disc-shaped rhizoidal attachmen 
ee the ond: cell of its filament and also from the sides ~ — cells at 
the — when they come into contact with the substra 
Zygnema forms knob-like haptera (or _ are outgrowths) from the 
side x 6 a sen cell in the middle of the filam metimes from each 
of two adjacent cells of the filament. Rhivoid-like ocnane of “attachment 
have not been noticed before in gne 
ee © moa interesting. The end of its filament coils itself 
spirally oe a agape of Spirayee or sped nother Mougeotia fila- 
ment, pe 3 
sometimes Knob-like heptors are eS formed foster: the sides of the cells 
sometl 
allt sé cases the formation of the rhizoidal separ ooairar He or the 
eulling of the 1 filament appears to be the result of tactile stimulatio 
A case of axial prolification of the flower of Nymphaea 
rubra Roxb.—By P. M. DEBbaR MAN 
In the Calcutta Herbarium there is a curious-looking specimen of 
Nymphaea nee Roxb. exhibiting axial floral cpalitientins and phyll- 
8 is specimen a supernumer 
hard structure, filled with a brownish-yellow mass and covered with 
intricate woolly hairs. = the supernumerary wy are no trace of ovary OF 
