FOLYGONUM. 
363 
mitsinate witkraisedjxnntsopaquecdiout equalling the perianth. 
—E. B. 1252. Sy. E: B. 1229— 1231.— L. usually blunt, some- 
times acute, broad or narrow. Fl. either very distant and scat- 
tered, or .-30 much collected as almost to form a leafy spike. St. 
erect or procumbent. Ocrea; sometimes long and much torn. 
Nut usually falling short of the perianth, but sometimes slightly 
exceeding it. Very variable. Some botanists think that it 
includes several species : but I am quite unalile to divide what 
1 have seen similarly. — ^. littorale (Koch) ; st. long, diliuse, 
prostrate, h thick broad, nut minutely punctured finely striate. 
— Waste places. ,£*. Sands by the sea. A. V. — IX. Knot-f/ra.ii<. 
E". S. I. 
111. F. Rdii (Bab.) ; I. elliptic-lanceolate flat, ocrete lanceolate 
acute tvith few distant simple veins at length torn, nut smooth 
shining exceeding the periaoith. — E. B. S. 2805. — St. long, strag- 
gling, prostrate. L. bending towards the stem. Filaments 
broader at the base. Resembling P. avirulare in habit, but P. 
maritiminu in fruit. It varies Avith smaller 1. and 11. — Sandv 
sea-shores. A. or P. VIII. IX. E. S. 1. 
12. P.marit'imum (L.); I. elliptic-lanceolate coriaceous vith 
revohite edges, ocrece lanceolate with man)/ branched veins at 
length torn, ntit smooth shining exceeding the perianth. — 
E. B. .y. 2804. — St. procumbent, quite woody below, often much 
buried. L. convex above, diverging from the stem. Filaments 
broader at the base. — Sands of the southern sea-shores. Christ- 
church, Hants. Braunton Burrows, Dev. Falmouth. Channel 
Islands. P. VIII. IX. E. 
[p. sagittOtuM (L.), with reflexed prickles and ovate sagittate 1., a uative of 
N. America, has been found in Kerrj-.] 
**** Ocrea semicf/lindrical. Hoot flbroiis. Ntit triquetrous. 
Stam. 8. Styles 3. Fl. racemose. 
13. P.Convol'uidiis(L.) ; st. twining angular, 1. cordate-sagit- 
tate, segments of perianth bluntly keeled, nut opaqve striate with 
minute points.— j^'. B. 941.— St. climbing or prostrate, much 
shorter than in the next species. — /3. subalatum (v. Hall) ; 
perianth-segm. winged ; often taken for Sp. 14.— Cultivated 
and waste land. A. VII.— IX. Black Bindweed. E. S. I. 
14. P. dumetw um (L.) ; st. twining striate, 1 cordate sagit- 
tate, segments of perianth winged, uut very smooth nnd shining. 
-~E. B. S. 2811.— St. wiry, climbing to the height of 4 or 5 
feet.— Thickets in the South, rare. A. VII.— IX. E. 
