Polygonum.-] POLYGONE^. 131 



J 2. ACHINOGONON. 



3. P, alpinum (All. Ped. L 68. Jl 1.) floribus raajusculis albis demum roseis purpureisve, 

 achenio calyce tecto faciebus ovato-rhomboideis laevibus, paniculis ramosis, foliis lanceo- 

 latis acurainatis breviter petiolatis minute pubescentibus margine ciliatis, ochreis pilosis, 

 caule erecto glabriusculo ramoso, ramis adscendentibus. Meisn. Pohjg, p, 56. t 3. G. 

 Cham, et SchkchL in Linncea^ 3. p, 38, — iS. foliis ovato-acuminatis subtus pubescenti- 

 fuscis. Hook, et Am. in Bot. of Beech. Toy. p. 129, — y. foliis ovato-acuminatis glaber- 

 rimis. 



t 



Hab. p. Kotzebue's Sound, Ckamisso. Beec/iej/. — y. Arctic Sea-coast. I>r Richardson. 



m 

 r 



§ 3. Fagopyrum. 



4. P. Fagopyi'um. L, — E. Bot.t. 1044. Meisn. Polyg.p. 61. Ph. Am. 1. jo. 273. 



Hab. New Brunswick. Lieut. Kendal. (Probably introduced.) 



§ 4. Teniaria. 



5. P. Convolvulus. L. — E. Bot t 941. Ph. Am. l.jo. 273. 



Hab. Canada {3Irs Sheppard), to the Saskatchawan and Hudson's Bay. Dr Richardson. Drummond. 

 Newfoundland. Miss Brenton. 



6. P. cilinode (Mich. Am, 1. p. 241); perenne, calyce non alato, floribus parvulis 

 patulis, achenio calyce abscondito faciebus ellipticis utriusque attenuatis liEvibus nitidis 

 angulis acutis, raceraulis parvis subpaniculatis, ochreis basi serie ciliorum paullo deflexo- 

 rum coronatis, foliis margine ciliatis petioHsque retroflexis, caule ascendente scandente. 

 Meisn. Pohjg. p. 63. t. 5. /. 18—20. 



Hab. From Lake Huron {Dr Todd), throughout Canada, to the Saskatchawan and Hudson's Bay. Br 

 Richardson. Drummond. 



7. P. sagittatum (L.) ; floribus 6-8-andris, achenio acuminato faciebus tenerrime 

 punctato-striatis, pedunculis communibus plerumque geminatis, foliis sagittato-oblongis, 

 nervo dorsali petioiis ochrearum basi angulisque caulis retrorsum aculeatis, ochreis cylin- 

 draceis truncatis, caule prostrato aut ascendente. Meisn. Polyg. p. 65. — ^. boreale; foliis 

 petiolatis debilibus margine non cartilagineo-ciliatis, ciliis apicem spectantibus, ochreis 

 laceris margine truncato nudis, capitulis parvis sphaericis. Meisn. I. c. Ph* Am. I. p. 241. 

 GmeL Sib. 3. p. 65. t. 13. / 2. 



Hab. /3. Canada, to the Saskatchawan. Dr Richardson. Drummond. Newfoundland. Miss Brenton. 



§ 5. Pehsicaria. 



8. P. amphibium. L E. Bot t. 436.— P. coccineum. Ph. Am.l. p. 271.— u. nutans; 



glabrum, caule natante demerso radicante, foliis ovato-ellipticis spicisque brevibus obtusis. 

 Meisn. I. c. p. 67.— P. coccineum, aquaticum. Ph. Am. I. p. 271.-/3. terrestre ; majus, 

 caule ascendente, foliis pilis brevibus scabris ovato-Ianceolatis spicisque elongatis acumina- 

 tis. Meisn. I. c. p. 67,— P. coccineum, terrestre. Ph. Am. l.p. 271. 



