MONOECIA. POLYAND. Myriophyllum. 297 
B. Leaves hand-shaped ; rough on both sides^ 
with callous points : niale and female fowers 
on diferent plants. 
rrO-HERRIl U BRIO NY. Hedges and Thickets; 
common. Newark; Southwell. P. May—-Sept. 
VI POLYANDRIA. 
CERATOPHYLLUM. SmUL 1020. With. 
440. 
Masc. Cal. multipartitus. Cor. nulla, Stami 
16—20. 
Fem. Cal. multipartitus. Cor. nulla. Stigma 
subsessile. Sem.. 1, corticatum. 
Male and fem. fowers on the same plant. Cal. 
with many divisions. Bloss. none. 
M'ale Stamens twice as many as the segments 
of the calyx. 
Fem. Style none. Nut cea'ed^ without valves. 
C. fructlbus trispinosis. demer- 
C. Leaves forked., toothed ; lower ones strap' 
shaped ; upper ones much croTvded., tubular 
and inflated, beaks of the capsule of equal 
length. 
COMMON tIORNWORT. Ditches and slow streams; 
not very common. Winkburn. P. September. 
MYRIOPHYLLUM. Smith. 1021. With. 389. 
