1919.] The Sixth Indian Science Congress. elxvii 
+0:1148 only,,with a probable error of +0°0071. That is to say there is a 
— but only a slight, tendency for - the number — — lobes to in- 
se as the naan of calyx teeth increases, and v 
On the ecological position of some types of Indian grass- 
and.—By L. J. Sep@wick. 
Plant igre va as study of great importance. Talbot’s statement that 
mbay Presidency no grassland formations is probably 
g- The Siaane of the Bombay Carnatic is a true grassla bid climate, 
7 : b 
‘*savannah”’ is too loosely u ming uses 
certain formations within pisces clas 
n formation of tall, stiff- 
wth. Th 
be limited t ey a 
all tropical grasslands containing teouro sr is not therefore sav 
(3 are 8 of monsoon forest we have eo & 
‘* psilophytes,”’ 
s,” and (5) that the first two mix w ith monsoon forests 
trated. There 
and ac third with thorn scrub. Points (2) and Ss ee illus 
y be savannah trees in India, but the second condition—character of 
the j me must isfied n these pu aet wher rice there is probably 
no true savannah inthe Carnatic. T types of grassland are then 
—(1) N. a formation of tall, cuttable grasses with 
a dense mat of short-lea als, 
osely placed culms, (2) CHARAN, 
ro (3) BARREN a gee ive pnp! pe at n asses 
edges with a strong admixture of flowering herbs, all of han show 
i fe) 
adaptions to © xerophtytism. “Type s (1) and 
Type (3) mixes with thorn serub. The latter is described. Its mem 
mbers 
ane datecent: from the incon ir of the forest. The need of an ecological 
survey of India is urged. 
The ee and fresh-water algae of the Punjab.—By 
zm TH 
Need of w vy on the algae poe the pipe neglected, pehere rien 
to their r gre ee similarity in Beef a of the world. 2. Sub-sert al f 
Several sf collected by the author oscillatoria and 
common. oi alitick ter Sieien e 
ied fro: i th oecological point ws view 
exhibited by the algae. The author's ol i 
dec v. internal conditions determine the formation of the sexual 
. Some interesting new species collected by the author 
Note on the euclogy of equate squarrosus, Li 
“e F. Fyson oé. BaLASUBRAMANIAM. 
