270 DIADELPHIA— DECANDRIA. Pisum. 



applications, may, on an emergency, staunch the blood of a 

 rustic wound, and give nature and a good constitution time to 

 perfect a cure. Tiie herbage is said to afford good pasturage 

 for sheep. 



357. PISUM. Pea. 



Linn. Gen. 374. Juss.360. Fl.Br.760. T ourn. t.2\b. Lam. 

 f. 633. GtJErtn.t.\52. 



Cal. cup-shaped, unecjual ; the margin in 5 acute segments, 

 permanent ; 2 uppermost widest, and most distant. Cor. 

 of 5 petals ; standard broadest, inversely heart-shaped, 

 reflexed, notched, with a pair of protuberances at the 

 inner side near the bottom, its claw vaulted ; wings obo- 

 vate, converging above, shorter than the standard, with 

 wavy linear claws ; keel semilunar, compressed, of 2 ob- 

 long, cohering, folded petals, smaller than the wings, and 

 with narrower straight claWs. Filam. 1 ; 9 united, for 

 more than half their length, into one compressed keeled 

 tube, open along its upper edge, which is closed by the 

 tenth, separate, flattish, awl-shaped filament. Anth. 

 small, roundish. Geim. oblong, compressed. Sti/le as- 

 cending, triangular, membranous at the edges. Stigma 

 longitudinal, downy, united to the acute upper edge of 

 the style. Legume large, oblong, compressed, somewhat 

 tumid, pointed, of 1 cell and 2 concave valves. Seeds 

 several, globular. 



Smooth herbs, with mostly annual, sometimes perennial and 

 creeping, roots. Stems prostrate ; or climbing by the 

 terminal tendrils of their pinnate leaves. Stipulas large, 

 toothed. Fl. in axillary stalked clusters, purple or blue- 

 ish, or yellow. Seeds generally eatable. 



1 . P. niarkimum. Sea Pea, 



Footstalks flattish on the upper side. Stem angular. Sti- 

 pulas arrow-shaped. Stalks many-flowered. 



P. maritimum. Linn. Sp. PL 1027. H'illd. v. 3. 1071 . Fl. Br. 7 GO. 



Engl. Bot. V. 15. t. 1046. Spicil. 8. t. 9. Hook. Lond. t. 5. FL 



Dan. t. 338. 

 P. marinum. Rati Syn. 319. 

 P. spontaneum perenne repens humile. Moris, v. 2.47. sect. 2. <. 1. 



/.5. 

 Pisa spont^ nascentia. Caii Opusc. lib. 2. 29. 2. 



On the stony sea shore, in several parts of the east and south of 

 England, 



