108 BOTANY. 
der to supply botanists, schools, ete., in quantities smaller 
can be had from the manufacturers. For price see the 
ment.—Asa Gray. 
Lare FLOWERING or tHe Gisnous BLapperwort.—T 
I found on the flats of the Charles River, Utricularia gibba, 
ering half an acre of ground in full bloom, October 2d. i | 
tinued to send up fresh flowers till cut off by a frost near the ü 
of November. The time given in our works on botany, fot 
pecting this little plant in flower is July and August.— 
Epwarps, Natick. > ; 
New American VARIETY or ASPLENIUM FILIX re 
Europe many variations of this fern are given in their ma 
the most prominent of which are vars. rheeticum, multifidum, ® 
inum, crispum, latifolium. 
None, however, have been noticed in this country prev™ 
1869, when several tufts were discovered growing in wie’ 
H., bearing all the fronds thus peculiarly marked: tips of 
pinna fringed with five to eight lobes, tops of fronds : 
with a cluster of ten to fifteen pinne gradually dimm! 
size towards the centre, fronds fifteen to twenty inches 
five to seven wide. In 1870 and 1871 I gathered specimens 
the same roots, in all respects like the first. 
This variety seems identical with var. multifidum of p 
works, but as the specimen sent to the herbarium of Prof. 
at Cambridge bears the name of Asplenium filix femna 
tatum, it will henceforth be known by that name.—W™. - = 
der to test the effect of green light on the sensitiveness 
Mimosa, M. P. Bert has placed several plants under be 
of different colored glass set in a warm greenhouse. At 
_ to green, yellow, or red light had the petioles erect and the 
expanded ; the blue and the violet, on the other hand, hac 
ioles almost horizontal and the leaflets hanging down. 
those placed beneath blackened glass were already less | 
and in twelve days they were dead or dying. From 
the green ones were entirely insensitive, and in ade 
