POLYaONTTM. 295 



6. p. PerskdrV (L.) ; spikes compact ovate-oblong cylindri- 

 cal, ;1. lanceolate flat minutely tubercled, oereo loose strongly 

 fringed, ped. and perianths smooth, nut compressed and gibbous 

 on one side of trigonous its faces roundish acuminate smooth 

 scarcely covered by the perianth, styles connected halfway up 

 at length patent. — St. 1—2 feet high. L. more or .less hairy 

 on both sides ; sometimes -woolly beneath, vfhen it is P. in- 

 canum of authors. Ped. sometimes slightly hairy, never glan- 

 dular. — Waste and damp ground. A. VI. — X. E. S. 1. 



7. P. mite (Schrant) ; spikes erect filiform interrupted, 1. lan- 

 ceolate slightly wavy, ocrece loose funnelshaped pUose strongly 

 fringed .withoixt glands, perianths ^without glands, nut (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. VI. IX. , E. 



8. P. Hydropiper (L.) ; spikes drooping filiform interrupted, 

 1, lanceolate wavy, ocrece ventricose glabrous fringed glandular, 

 perianths glandular, nut (large) compressed its faces ovate acute 

 rugose-punctate opaque convex, styles 2, nearly distin6t.— St. 

 1 — 3' feet high. Upper ocrese funnelshaped, scarcely fringed. 

 Nut rounder than in P. mite. Spikes sometimes erect.-^Wet 

 places. A. Vm. IX. Water-Pepper. ^ E..S. I. 



9. P. minus (Huds.) ; spikes erect filiform slender lax, 1. linear- 

 lanceolate 'flat ocrece close pUose all fringed without glands, peri- 

 anths mtJumt glands, nut (small) compressed it^ faces ovate acute 

 smooth shining convex, styles connected for at least ialf their 

 length — 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.I. 



ttt Ocrece 2-lobed. . Root fibrous. Nut trigtietrmfSi Stam. 8. 

 Styles 3. Fl. axillary, 1 — 3 toe/ether. Avicularia. 



10. P. avieuldre (L.) ; 1. lanceolate or elliptic ' stalked, ocrece 

 lanceolate aoiite wAh few distant simple veins at length torn, 

 nut striate laith raised points opaqtie about equalling the pe- 

 rianth. — L. usually blunt, sometimes acute, broad or narrow. 

 H. either very distant and scattered, or so much collected as 

 almost to form a leafy spike. St. erect or procumbent. Ocrese 

 sometimes long and much torn. Nut usually falling 'short of 

 the perianth, but sometimes slightly exceeding it. Very vari- 

 able. Some botanists think that it includes several species. — 

 p. P. littorale (Link)-, st. long diffuse prostrate, 1. thick broad, 

 nut minutely punctured finely striate.— Waste places. Sands 

 by the sea. A. V. — IX. JSnot-grass. ' E. S. I. 



11. P. i?TO(Bab;) ; I. elliptic-lanceolate_^a^, oerc« lanceolate 

 acute with few distant simple veins' at length tornj nut smooth 



