283 



Subclassis III. 

 HO\OC HL Yn\ DEiE j*c. 



(Meisn. Gener. pl. vascular. I. 442.) 



Ordo CLXXIII. POLYGONACEAE Lindi. 



(Lindl. Introduct. 211. (edit. 2.) — POLYGONEAE Juss. — Meisn. Gener. plant. vascul. I. 

 316. II. 227. & 368. — Endl. Gener. plant. p. 304, Suppl. I. p. 1377; Suppl. II. p. 34. & 104 ; 

 Suppl. III. p. 64; Suppl. IV. fasc. II. p. 44. [exclusis Eriogoneis.j — Wlprs. Annal. I. 548.) 



1986. POEiirOOOTTltl Linn. 



(Meisn. Monogr. Polygon. prodr. Genevae 1826. 4. — Wlprs. Annal. I. 548. — Endl. Gener. 

 pl. Suppl. IV. II. p. 45. [Synops. specierum.]) 



$. 1. Bistorta Tournef. 



1. P. CARNEUM C. Koch, Linnaea XXII. 197.f — Caulis glaberrimus triqueter elevato-stria- 

 tus subtetraphyllus; folia omnia etiam subtus glabra , ovato-aut cordato - lanceolata, 

 inferiora petiolata, superiora sessilia, e vagina clausa longa enata, sensim decrescentia; 

 spica cylindrica saturate carnea; bracteae oblongae, subito et longe acuminatae; an- 

 therae violaceae ; nuculae opacae. 



§. 3. Persicaria Tournef. 



2. P. ABYSSINICUM A. Richard, Tent.flor. Abyssin. II. 225. f — Caule horizontali re- 

 pente, in aquis seminatante ; ramis erectis emersis sesquipedalibus glabris; foliis 

 anguste lanceolalis aculis sessilibus pallidis subglaucis, subtus punctatis, in nervis 

 hirtellis, margine integris ciliatis; ochreis truncatis vix unam unciam altis, internodio 

 multo brevioribus, apice setoso - ciliatis sericeisque; spicis gracilibus subdistantifloris 

 subpaniculatis; bracteis vaginantibus cucullatis bifloris, margine seloso - ciliatis; pedi- 

 cellis bracteas aequantibus; calycis pallide rosei sepalis 5, ovalibus obtusissimis glnbris; 

 slaminibus 5 inclusis; stylo fere usque ad basin bipartito, stigmatibus binis cnpitatis; 

 achaenio lenticulari - tumido, apice apiculato nitente. — Lequareba incolarum. — In 

 Abyssinia prope Adoua. 



3. P. SETOSULUM A. Richard I. c. 227.f — Caule erecto; foliis ovali - oblongis longe acu- 

 minatis, basi angustatis et in petiolura brevera attenuatis , superne glabriusculis aut 

 pilis setosis brevibus raris conspersis, subtus praecipue in nervis eorumque ramifl- 

 cationibus pilis longiusculis setosis onustis, margine setoso - ciliatis; ochreis inlernodia 

 fere aequantibus, ore truncalis seloso - ciliatis, pilis adpressis longis hirsutis ; spicis 

 terminalibus subpaniculatis; hracteis cuculialis ohtusissimis breviter ciliato - setosis, 



36* 



