POLYGONTJM.. 
2b5 
dular or glabrous ; joininors more or less thickened. Spikes ax- 
illaiy or terminal, 1—2 together. Fl. ^ale. Bracts auricled. — 
Waste and damp places. A. VII. — IX. E. S. I. 
5. P. noddsum (Pers.) ; spikes long slender, 1. lanceolate much 
attenuate at both ends wa\T glandular beneath, ocrece loose 
shortly fringed the floral ones homed, j;t'f/. and perianths rough 
with glands, nid compressed its faces roundish acuminate con- 
«• cave shining covered by the perianth, styles connected below at 
length divergent and reflexed. — P. laxum E. B. S. 2822. R. I. 
f. 685.— Smaller than the preceding. St. often prostrate ; j oinings 
very thick. Spikes slender and interrupted (the tj-pical forrn) ; 
or thicker and continuous (represented m E. B. S.), and 1. white 
and woolly beneath. — Damp gravelly places. A. VII. — IX^ ^ 
6. P. Persicdria (L.) ; spikes compact ovate-oblong cylindri- 
cal, 1. lanceolate flat minutely tubercled, ocrecB loose strongly 
fringed, ped. and perianths smooth, nut compressed and gibbous 
"on one side or trigonous its faces roundish acuminate smooth 
scarcely covei-ed bj' the perianth, styles connnected halfway up 
at length patent.— i?. B. 756. — St. 1 — 2 feet high. L. more or 
less hairy on both sides ; sometimes woolly beneath, when it is 
P. incanum of authors. Ped. sometimes slightlv hairy, never 
glandidar. — Waste and damp groimd. A. VI. — X. E. S. I. 
7. P. mite (Schrank) ; spikes erect filiform inten-upted, 1. lan- 
ceolate slightly wavy, ocrea loose fimnelshaped pilose strongly 
fringed without glands, perianths without glands, 7iut (large) 
compressed its faces roughish ovate acute rather shining convex, 
stam. 5, styles connected halfway up. E. B. S. 2867. — St. 1 — 
3 feet high, often much branched. Ocrese aU fringed. Spikes 
thickening upwards. — Wet places. A. VHI. IX. E. I. 
8. P. Hxjdropiper (L.) ; spikes drooping filiform interrupted, 
1. lanceolate wa-\y, ocrece ventricose glabrous fiinged glandidar, 
perianths glandidar, nut (large) compressed its faces ovate acute 
rugose-punctate opaque convex, styles 2 nearly distinct. — E. B. 
989. — St. 1 — 3 feet high. Upper ocreae funnelshaped, scarcely 
fringed. Nut rounder than in P. mite. Spikes sometimes erect. 
—Wet places. A. VIII. IX. Water-Pepper. E. S. I. 
9. P. minus (Huds.) ; spikes erect Jiliform slender lax, 1. linear- 
lanceolate flat, ocrea close pilose all fi-inged 7vithoid glands, peri- 
anths withoid glands, nut (small) compressed its faces ovate acute 
•smooth shining convex, styles connected for at least half their 
length. — E. B. 1043. — St. usually procumbent, diffuse. Spikes 
ascending. Much smaller than P. Hydropiper, fl. and fr. only 
half the size. — Wet gravelly places. A. VIII. IX. E. S. 1. 
