



Vol. IV, No. 11.] Recent Plant Immigrants. 607 
[N.S.] 
had observed the plant, to which I drew his attention whilst in 
Sibpur, for at least ten years along the railway embankment be- 
tween Chandpur and ca gaa and on the banks of the river 
Titus near Brahmanbar 
e one feature seas strikes the observer more than any 
other is es freshness of the leaves even during the driest parts 
of the yea The leaves, however, are very thin and a water 
directly. But its root deeply penetrates into the ground, and it 
depends probably nearly entirely on the water which it receives 
by Seer 
e etal gossypifolia, it has no special facilities for 
speadine The secret of its conquering course lies in a property 
which it has in common with field oe 5th consistent multipli- 
cation leading to the production, ever repeated, of a numerous 
progeny. I have seen specimens which began to flower when they 
were only three inches high, and the plant blooms and fruits all 
the year round. Further, cattle do not seem touch it, nor have 
I ever discovered an insect attacking its leave 
aving in Oroton sparsiflorus a species, the ‘arrival of which in 
India can be dated to a close degree of approximation, and whose 
exact present distribution is tolerably well known and could, with- 
out great difficulty, be ascertained still more exactly, we shall 
be able to follow its spread in future and thus get Lr semaines of 
an excellent example illustrating the dispersal of a speci 
Part Il.—Tae ‘Firora ADVENA’ oF BenGAL AND Binar. 
My eee on the subject of Recent Plant Immi- 
grants prompted me to draw up a list of the Phanerogams of 
which - know, either with —— certainty or at least with a 
eountries, I hav to species which grow in 
Bihar and in '. cxohadding the country east of the 
egna, as well as Orissa and the inner parts of Chhota Nagpur. 
Th to different botanico-geograp. 
hical 
subdivisions, and the vast bulk of the exotics which have settled 
down for good in the Lower Provinces are inhabitants of Bengal 
Proper and of Bihar. I have also excluded from my list all the 
ants w. are ee in the Indian Peninsula west and 
south of the Gangetic P. 
The literature miner to in the list consists of Prain, i cap 
Plants (B. P.) ; Hooker’s Flora of British India (F. B. L); 
Firminger, Indian Gardening, 3rd_ and Sth editions ; Voigt, 
nn 
io 
(Ke. Dict.). I have usually preferred to quote from these rid 
literally. 
