n. 
HOLERACEJE. 
235 
*10. Polygonum Fagopyritm. L. 522. Fegopyrunu 
Dod. 511. R. 144* Eryjimum FJoeophraJli^ folio hede- 
raceo. B. 27. Brank. Buck-wheat. Stem erect, 
unarmed, , leaves cordato-fagittate, angles of the 
feed equal. Among corn and by road Tides. O. VII j* 
VIIL 
.11. Polygonum Convolvulus, L. 522. Fegopyrum fcan^ 
dem fylvejire, R. 144* Convolvulus minor femine trlan- 
gu!o> B. 295. Bindweed Culrage. Black Bindweed. 
Stem voluble, leaves cordate, flowers almoft plane. 
In corn fields and gardens. O* VI. — IX- 
ScLERANTHUs. Knawel. ' Calyx monophyllous, 
quinquefid, ten ftamina, two ftyles, two feeds in 
the calyx. 
1. Scleranthus annuus. L. 580. Knavjel. Trag. 595. 
R* 159. Polygonum gramtneo folio majus eredum, 15 . 281. 
P, angufiijftmo et acuto vel gramineo folio minus repens, 
B. 281. Annual Knawel. German Knotgrafs. Ca- 
lyx of the fruit patent. In fandy places. O. VIII. 
2. Scleranthus perennis, L. 580. Knawel incanum 
fore majore perenne. R. 160. Perennial Knawel. 
Hoary Knawel. Calyx of the fruit clofe. In fandy 
' places about Elden in Suffolk. VIIL 
ZosTERA. Spadix linear, bearing the fruit on 
one fide, no calyx, many flainina, alternate, feeds 
folitary, alternate. 
I. Zojlera marina, L. \ :^y^,Alga, Ger. J. 15(59. 
R. 52. anguftifoUa vitriariorum, B. 364. — b. Fucus 
five Alga marina graminea anguftifoUa feminifera rarno- 
fior, R. 52. — c. F, marinus feu Alga marina graminea 
minor, R. 52. — d. Potamogeiton marinum in utriculis 
epiphyllofpermon minus . R . 5 3 • Z oftera , G rafs \V rack , 
On the fea fliore. 
II. Flowers diclinous. 
Zannichellia. Flowers monoicous, male with- 
out a calyx, one ftamen, calyx of the female mono- 
phyllous, four feeds. 
Hh 2 
I. Zannl^ 
