(iO Polygoiiacoat'. 



Caule erecto, in pauiculain strictani, elougatani, subapliyllani abeunte; 

 foliis petiolatis, iuferiofibus auiplis, conlato-subrotuudis vel cordato-ovatis, 

 obtusis vel breviter acumiuatis, superioribus ovato-lanceolatis , acutis; 

 valvis cordato-ovatis, iutegris vel subrepaudis, ecallosis. 



In pascuis alpinis. Thessalia: mt. Zygos (Forni.) et Karava 

 (Haussk.) in Pindo; Laconia (8ibth.): nit. Taygetos (C'haub.). — Jul. 

 Aug. 4. N. V. 



2. R. aquaticus L. sp. p. 336; S. et S. pr. L p. 246; Ch. et 

 B. exp. p. 107, p. p., Fl. pelop. p. 24; Fraas fl. class. p. 232; Bois. 

 fl. or. IV. p. 1008. — Huc forsan: R. hi/drolapathnm Pieri corc. fl. 

 p. 47, vix Huds. — Icon: Hayne arzneigew. XIII. t. 4. — 



Caule elato, in paniculam strictam, densam, subaphyllam abeunte; 

 foliis petiolatis, inferioribus amplis, cordato-ovatis, acutiusculis, superio- 

 ribus oblongis vel hmceolatis; valvis subcordato-ovatis, integris vel sub- 

 repandis, ecallosis. — Praecedenti affinis, ab eo caule ehitiore, ad 1 m. 

 alto, foliis tenuibus, angustioribus et longioribus, thyrso anipliori com- 

 pacto, valvis subcordatis discedit. 



Ad fossas, iu uliginosis regionis inferioris, rarissime. Argolis 

 (Sibth.); indicatur deinde ad Phaleron Atticae et in insula Zante (Fraas); 

 Corcyra, si E. hiidroJapathum Pieri re vera huc pertineat. — Jul. 

 Aug. 4. N. V. 



b. Valvae omnes vel salteni anterior calliferae. 



a. Valvae integrae, i-arius basiu versus obsolete eroso-vel 

 unduhito-dentatae. 



X Valvae rotundatae vel trianguhui-ovatae, 4 — 8 nnn. 

 longae, integr«e vel nonnullae denticuLatae. 

 O Folia pLana vel subunduhita; valva unica tantuni 

 callifera. 



3. R. patieutia L. sp. p. 333; S. et S. pr. I. p. 244; Pieri corc. 

 fl. p. 47; Dalhip. prosp. p. 53; Ch. et B. exp. p. 107, Fl. pelop. 

 p. 24; Fraas fl. class. p. 231; Hehlr. fl. cephal. p. 62; Haussk. symb. 

 p. 58. — Icon: Sclik. handb. t. 100. 



Caule erecto, in panicuLam strictam, elongatam, supernt! ai^hyUam 

 abeunte; foliis petiolatis, inferioribus aniplis, a basi corthita vel rotun- 

 data oblongis, obtusis vel acuminatis, superioril)us knceolatis, acutis, 

 basi attenuatis; valvis cordato-orbicuhitis, margine integris vel repandis, 

 anteriore cailifera. 



In pascuis montanis et subalpinis. Thessah"a: mt. Ghavellu et 

 Karava in Pindo (Haussk.); Phthiotis (Fraas); Elis (Sibth.); Cephalonia 

 (DalL); Corcyra (Pieri). — JuL Aug. 'J|. N. v. 



4. R. jj:raecus Bois. et Heldr. diagn. ser. 2 IV. p. 80; Heldr. 

 NutzpfL p. 24; HaL Beitr. fL Achaia p. 31; Haussk. symb. p. 5». — 

 Fi. orientalis Bernh. iu Schult. fiL syst. VII. p. 1433, v. graecus 

 Bois. fl. or. IV. p. 1009. — Exsicc: Hehlr. pL fl. hellen. a. 1887. 



Differt a praecedente, an satis, valvis breviter eroso-denticulatis. 



