503 



R. obtiisifolius. Weimw. Fl. pelropol. p. 37. 



R. Oxylapatiium. Glildenst. It. il, p. 291. 308. 373. 



Lapatiiuni acutum. Giiib. Exerc. phijlol. II, p. 4 15. 



I.apatiium acutum .sive Oxylapatlium. En>DT. Virid. tcarsatc. p. 66. 

 Hab. a. in Rossia sep t e n t r i o ii a 1 i [Feunia (Nylander)], media [Pctropoli ! 

 (Wei^.m., KtHLEUEiN pl. ex.1.) , ins. Osilia (Luce) , Livonia!, Curoniu 

 (Fleisch. ct Li^DEM.), Liliiuauia (Juisdz. , Eichw. i, Warsawia (Ekndt.), 

 Volhynia (Besser), Mosqua (Mart.) , Pcnsa ! (jKCc^vm- pl. e.vs.) , Kasan 

 (Wikzen) et australi [Podolia (Besser)] , in Tauria (M. a Bieb.) et 

 provinciis caucasicis [provinc. Taliiscii (C. A. Meyer)] inque Si- 

 biria uralensi (J. G. Ghel.), altaica (J. G. Gmel.) in deserto 

 soongoro-kir^bisico ad fl. Lepsa? (Karf.l. et Kiril.), baikalensi? (J. 

 G. G.MEL. , Georgi , Sievers) et orientali (J. G. Gmel.) ; 

 /?. in Rossia [ubique (Falk)] s e ptent rional i [Fennia (Kai.m, Wirzkw)], 

 media [Petropoli ! (Gorter , Wei.^m.), ins. Osilia ! (Luce) , Livoiiia! 

 (FiscH.), Curonia (Fleisch. et Lindem.), Litbuania (Gilib., Juisdz.), War- 

 sawia? (Erindt.), Tschernigovv (GDldknst.), Mosqua (Stephaiv., Mart.), 

 Pensa! (Jacquet pL e.vs.) et australi [Jekafeiinosiaw (GtiLDENsr.). 

 ad Tanain (Giildenst.), pr. Saratow (Lepech.), in insulis Wolpae (Claus)] 

 inque Sibiria uraleiisi pr. Jekaterinenburg (Uspenski). 4- 



10. R. cristatus (Wallroth. Sched. crit. 7, p, 160) foliis radi- 



calibus caulinisque inferioribus cordato-oblongis acuminatis; supreinis 



oblongo-lanceolatis, racemis aphylli.^, verticillis approximatis, perigonii 



foliolis interioribus ovatis subcordatis obtusis dentatis apice integer- 



riinis ; extinio submajori distincte granifero. 



R. cristatus. Fries Novit. Fl. suec. ed. 2. p. 100. 



R. pratensis. Mert. et Koch. Deulschl. Fl. II, p. 609. — Koch Syn. p. 614. — 



C. A. Meyer Ind. cauc. p. 155. — Eichw. Skifsze p. 132. — Bessek in Flora 



1832, II, Beibl. p. 15. 

 R. acutus. M. a Bieb. Fl. t. c. I, p. 289. 

 Hab. in Rossia media [Lithuania (Eichw.)] et australi [Podolia (Andrz. ex 



Besser)] inquc provinciis caucasicis [in promontorio biiic inde (C. A. 



IWeyer) , ad fl. Terek circa Mosdok (M. ji Bieb.) , in Ossetia (C. Koch in 



litt.)]. 4- 

 Specimina rossica nondum vidi. 



11. R. conglomeratus (Murr. Prodr. Fl. gocft. p. 52) foliis infe- 

 rioribus ovato-oblongis 5 superioribus oblongo-Ianceolatis subacuminatis, 

 verticillis remotis folio stipatis ; supremis aphyllis, foliolis perigonii 

 interioribus lineari-oblongis obtusis integerrimis omnibus graniferis. 



R. conglomcratus. Wallr. Sched. crit. p. 156 — Fkies Novit. Fl. suec. ed. 2. 



p. 97. — Koch Syn. p. 612- — Stephan Fl. mosq- No. 241 (excl. syn. Gmel.) 



— Georgx Beschreib. d. Russ. R. III, 4. p. 921. — C. A. Meyer Ind. 



cauc. p. 90. 

 R. Nemolapatbum. M. a Bieb. Fl. t. c. I, p. 289 (non Ehrh.). — IVIart. Fl. tnosq. 



p. 64. — Besser Enum. p. 15, No. 440. — Luce Fl. osit. p. 405. — 



Eichvv. Skizze p. 132. 

 Lapatbum glomeratum. Gilib. Exerc. phytol. II, p. 444. 

 Lapalbum aquaticum minus. Erndt. Virid. warsatc. p. 67? 

 Hydrolapatlium minus. Erndt. Virid. tvarsaic. p. 66. 

 Hab. in Rossia media [ins. Osilia (Luce), Lithuania (Gilib., Eichw.), War- 



sawia (Erndt.), Mosqua (Stephan, Mart.)] ct australi [Podolia (Andrz. 



ex Besser), ad Tanain (Henning)] , iuque provinciis caiicasicis (M. a 



Bieb.) [in promontorio binc indc (C. A. Meyer)] et t ran scaucasicis ubi- 



que ! (Nordmann pl. cxs.). 4. 



12. R. Nemolapathum (Ehrh. Beilr. 7, p. 181) foliis inferioribus 

 cordato-oblongis subacutis; summis oblongis v. oblongo-lanceolatis acu- 



