481 
Thea BRITISH HER BA L. 
Gr b. eN 
USS Il: 
LIRON OP EUCE: 
HIE. flowers are of two kinds, male and female, on the fame plant. 
The male flower confifts of 
a cup, divided into feveral minute pointed fegments, and a great number of buttons, fupported 
on very fhort filaments. The female flower has the fame kind of cup with the male, and in it only a 
tudiment of the future feed. 
Linnzus places this among the monecia polyandria; the filaments being numerous, and the two 
kinds of flowers on the fame plant. 
x. Simple-leaved Limnopeuce. 
Limnopeuce foliis fimplicibus. 
The root confifts of numerous fibres. 
The firft fhoots from it lie upon the mud, 
and fend out more fibres at their joints. 
The ftalks are numerous, round, hollow, and 
of a faint green. 
The leaves encircle them at the joints ; and are 
numerous, fimple, narrow, and alfo of a pale green, 
The flowers are numerous and greenifh : they 
ftand partly at the tops of the ftalks, and partly 
in the bofoms of the leaves. ; 
It is common in muddy waters, flowering in 
Auguft. 
Cordus calls it Limnopeuce, Others, Limno- 
peuce vulgaris. — 5 
2. Four-horned Limnopeuce, 
Linmopeuce foliis quadricoruiss 
The root is fibrous. 
The ftalks are weak and flender, loaded with 
leaves, and not very erect. 
G E N 
The leaves are placed in clufters ; and are nar- 
row, and armed with four horns. Their colour 
is a brownifh green. ? 
It is frequent in brooks, and produces its in- 
confiderable flowers in July. 
Ray calls it Hydroceratophyllon folio afpero qua- 
tuor coraubus armato. Others, Millefolium equi- 
Setifolium. 
3. Eight-horned Limnopeuce. 
Limnopeuce offo cornubus armata. 
The root is fibrous, 
The ftalk is weak, and of a brownith green. 
The leaves are foft to the touch ; whereas thofe 
of the other are harfh, and are armed with eight 
horns. 
The flowers are very fmall, and greenith. 
We have it in ponds and rivers, flowering in 
} autumn, 
Ray calls it Hydroceratophyllum leve offo cor- 
nubus armato. 
The virtues: of thefe plants are altogether un- 
known. 
u Ss Tif. 
PEPPER-GRASS, 
Earl Lye LAS ASaRs < Ty. 
IE. flowers are of two kinds, male and female, upon the fame plants. The male flower has no 
cup or petals; but confifts of four long, twifted antherx, fixed to one common fubftance; and 
thefe grow upon the leaves without footftalks. 
The female flower confifts of a rudiment of a 
fruit; which is roundifh, and afterwards enlarges in fize, and when ripe is filled with numerous feeds 
in four cells. 
Linnzeus places this among the cryptogamia, 
Pepper-Grafs.' 
Pilwlaria vulgaris. 
The root is fmall, fibrous, and white. 
The leaves are numerous, long, very flender, 
and of a fine green. 
‘The flowers are minute and greenifh; and.the | 
feed-veffels, when ripe, are brown. 
GG. Bens, yy § 
It is not.uncommon in damp places, but is un- 
obferved from its likenefs to grafs. 
Ray calls it Graminifolia paluftris repens vaf- 
culis granorum peperis emulis, Others, Gramen 
peperinum. , 
IV; 
SEA-POND WEED. 
POTAMOGITON MARITIMUM. 
HE flowers are male and female upon the fame plant. The male flowers confift of fingle © 
buttons, on very fhort filaments, arranged together on a pedicle, rifing from the bofom of a 
leaf, and having no cup. The female flower has no cup. It confifts only of a rudiment of a feed, 
fupported fingly on a flender footftalk : feveral of thefe footftalks rife from one common head; and 
the feed, when ripened, is oblong. 
N° XLVIIL. 
Of this genus there is but one known fpecies. 
6G Grafly 
