^n 36. Fagdpyrum. 15. POLYGONE^. Pl.ex.moft, 



3-angular; corculum central; co/?//ec?o?z foliaceous, transversely 

 pleated. — Root fibrous ; stem mucli branched, upright or 

 twining ; leaves heartshape-sagittate, or with the base cut 

 in ; flowers corymbose or panicled, axillary or terminal. 



1. Fagopyriim esculentiim. Esculent luckwheat. 

 Stem upright, flexuous, spineless ; leaves heartshape, sa* 



gittate ; angles of the thecidium equal, not sinuated. 



Fi'gopyrura, Rail Syn. 144, 1. 

 Tragopyron, Ger. em. 89. 

 Tragopyrum, Park. 1141. 

 Polygonum Fagopyrum, Lin. S, P. 522. 

 Polygonum cereale, Salisb. Prod. 239. 

 French wheat. Branks. Bullimong. 



Cultivated for its seeds, also as a green crop to plough 

 in for manure, and to attract game to the place ; sometimes 

 ■wild by roadsides, but does not bear our winters well : an- 

 nual ; July to August. 



Stem a foot high, smooth ; leaves fleshy, the upper sessile ; 

 flowers purplish-white.— -Seeds nutritive, make good crum- 

 pets ; used also to feed poultry. 



2. Fagopyrum carinaium. Keeled buckwheat. 

 iS/em twining, smooth, angular; leaves cordate, sagittate; 



ocrece truncated, not notched ; outer lobes of the perigonium 

 obtusely keeled. 



Fegopyrum scandens sylvestre, Raii Syn. 144,2. 

 Volubilis nigra, Gcr. em. 863, 5. 

 Convolvulus minor atriplicis folio. Park. Itl, 

 Polygonum Convolvulus, Lin. S. P. 522, 

 Polygonum infestum, Salisb. Prod. 259. 

 Helxine caule volubili, Lin. Fl. Lapp. 154. 

 Fagopyrum cariiwtum, Moctich. Meth, 290. 

 Black bindweed. 



Fields ; annual ; June to September. 

 Leaves pedicellcd ; racemes terminal, leafy ; flowers in 

 bundles, drooping. 



3. Fagopyrum membrniiaceum. JVinged buckwheat. 



Stem twining, streaked ; leaves triangular, sagittate- 

 waved ; outer lobes of the perigonium winged, wings mem- 

 branaceous. 



Polygonum dumetorum, IJn. S. P. 558. 



Polygonum Convolvulus, Stulcex Iii4. Mat. Med.2,399t 



J'agopyruin membranaceum, Moench. Meth. 290. 



Fields and hedges; annual; June and September. 



