, | ian 
168 SALICACEE. i cco 
vated in Afghanistan and in S. and Cent. Europe and in most suid . 
tropical countries. It may possibly be wild in Persia and Cent. f 
Asia and in China. 
CIV. CERATOPHY LLACEA, 
Slender, fragile, branched, submerged herbs. Leaves whorled, 
dichotomously cleft into filiform minutely toothed lobes; stipules 
none. Flowers minute, moncecious, axillary, sessile. Mate-flowers 
solitary. Perianth (or involucre) of 6-12 narrow subvalvate 2-fid 
segments. Stamens 10-30; filaments very short; anthers erect, 
extrorse, dehiscing longitudinally, connective truncate or 2-toothed 
at the apex. Frm. flowers: Perianth of the male. Ovary sessile, 
ovoid, 1-celled; ovule solitary, pendulous, orthotropous; style 
subulate, stigmatic on one side. Fruit, a small coriaceous ovoid or 
ellipsoid subcompressed nutlet, terminating in a long subulate 
style with a spur projecting from the base on either side. Seed 
pendulous ; testa membranous ; albumen none; embryo straight ; 
cotyledons thick ; radicle short, inferior ; plumule many-leaved.— 
A single genus, and one variable species distributed in all temperate 
and tropical countries. 
CERATOPHYLLUM, Linn. ; Fl. Brit. Ind. v, 639. Characters of the 
family. 
C. demersum, Jinn. Sp. Pl. 992; F. B. I. v, 639; Prain Beng. 
Pl. 990 ; Cooke Fl. Bomb. 11, 665. C. verticillatum, Roxb. Fl. Ind. 
iit, 624.—Vern. Jhangi (Beng.). 
Whole plant 8 in.-3 ft. long, forming a much-branched tangle of slender 
branches and leaves which collapse in a tassel when taken out of the 
water. Leaves 1 in. long; segments spreading in water, variable in 
thickness and amount of toothing. Mats flowers solitary, in sepa- 
rate axils from the female but on the same plant. Anthers large, 
white. Frm. flowers. Perianth (or involucre) as in the male, often 
with an entire acute (not 2-fid) apex. 
Rohilkhand near Moradabad (T. Thomson); Kheri in N. Oudh and 
_Gorakhpur (Duthie); Saugor (Jerdon), and probably overlooked in 
many other localities. DrstRtre. : Bengal, ponds and ditches in all 
the provinces, and no doubt generally distributed throughout the 
greater part of India. . 
CALCUTTA: PBINTED BY SUPDT. GOYT. PRINTING, INDIA, 8, HASTINGS STRHET. 
