— 74 — 



3. agreste Meisu., 1. c, 118; ? genuinum Gren. Grodr.. 1. c, 48; hrachysfachys Lange 

 ap. Herv., Rech. fl. Loire, 43 (1885) „Spicae ovales" — ? P. serotinuni Ten., Syll. fl. Neap. 

 App., 566 = P. persicaria var. = Arcang., Conip. fl. ital. 581 (1882). — Huniile. Caulis 

 erectus v. ascendens, raiius procumbens. Folia minora, oblongo-Ianceolata, in apice saepe 

 rotundata, in nervis et in margine niodo pilosula. Racemi subsolitarii, l^reviter pedunculati, 

 breves. Perianthii limbus saepius albidus (= albidnm A. Braun, 1. c, 301). In solo sicciore, 

 in agris, campis, ruderatis. 



4. ruderale Meisn., 1. c, 118; v. repens ei prostratum Breb. (fide Camus); •^. prostrUtum 

 et minus Beckh., Fl. Westf. , 1773. Humile, prostratum, difluse ramosum. Cetera ut in 

 priore. Folia saepe utrinciue appresse pilosula. In agris, ruderatis, arenosis humidis etc. 



5. depauperatum Meisn., I. c, 118. Pygmaeum. Caulis digitalis, erectus, subsimplex. 

 Racemus solitarius, terminalis, subgloboso-ovoideus. In sterilibus, arenosis. 



6. tomentellum — incanum Gren. Godr., I. c, 48. = Beckh., Fl. Westf., 773 non 

 aliorum. Folia subtus albido-tomentosa. Folia taliter pilosa nondum observari sed folia in- 

 feriora utrinque copiose denseque subcrispule breviter pilosa in forma ruderali frequenter 

 occuiTunt. 



P. pannonicum Simk. in Termesz. fiiz., II (1878), 147 fonna quaedam Polygoni per- 

 sicariae bracteis floralibus uudis aut minute ciliatis esse videtur. Hungaria: Rakos prope 

 Budapest (Simk.). 



P persicaria crescit in locis siccis in cultis, areuosis, agris, ac in humidis, fossis per 

 totam ditionem usque ad regionem montanam. Floret mens. Julio-Octobr. 



Exsiccatae: Reich., Exs. nr. 773; Fries, Herb. norm. IV nr. 74, X nr. 57; Guebh., 

 Mold., nr. 603; Tausch, FI. Boh., nr. 1291; Todaro, Sic, nr. 970; BiUot, Exs., nr. 1063; 

 Bourg., Hisp., nr. 1471a; Sint., It. orient. (1894) nr. 7066; Wol., PI. polon., nr. 993; Herb. 

 ingr. nr. 541. 



Tab. 214. Polygonum persicaria L. 1. Plantae pars. 2. Ochrea. 3. Racemi pars. 

 4. Flos apertus. 5. Tepala extema. 6. Fructus. 7. Nuces. (2 — 6 +). 



11. Polygonum lapathifolium L., Spec pl, 360 (1753); Ait., Hort. Kew., II, 30; Koch, 

 Fl. Deutschl, IH, 52; Syn., 617; ed. U, 711; Neilr., FI. Wien, 202; FI. Nied. Ost., 297; 

 Gren. Godr., FI. fr., HI, 47; Celak., Prodr. FI. Bohm., 164; Beck, Fl. Nied. Ost., 323; v. punc- 

 tatum Schinz KeUer, FI. Schweiz, 154 (1900). — P. persicaria v. lapathifolium et nodosum 

 Kittel, Taschenb. FI. Deutschl., 3. Aufl. (1853), 303. — P. lapathifolium , tomentosum, no- 

 dosum plur. aut. — Couf. A. Kern. in Ost. bot. Zeit. (1875), 252 — 255. — Amiuum. Radix 

 tusiformis. Caulis erectus, ascendens v. procumbens, ramosus v. simplex, glaber, saepius 

 ruber vel rubromaculatus, iuternodiis cylindraceis vel basim versus sensim clavato-incrassatis. 

 Ochreae in margine cilis brevibus c. 1 mm longis praeditae, rarius nudae, extus 

 glabrae vel arachnoideo-pilosae. Folia conspicue petiolata, petiolis — 3 cm longis, 

 subrotunda, ovalia, lanceolata vel lineari - lanceolata , acuta vel ± acuminata, in petiolum 

 semper attenuata, in petiolis nervis et in margine breviter appresse scabrido-pilosa, subtus 

 glandulis verrucosis punctata, ceterum glabra vel subtus (rarius etiam supra) ± arachnoideo- 

 toraentosa, saepius supra macula arcuata transversa nigra, sanguinea vel fusca notata, sapore 

 amara. Racemi cylindracei v. ovalia, densiflori, erecti vel paulo nutantes, terminales longe, 

 axillares brevius pedunculati vel subsessiles, minores, pedunculis laevibus vel ± 

 glauduloso - verruculosis. Periantliium 2 — 3 mm longum, limbum versus roseuni, album v. 



