510 



baikalensi (Pall., Georci, Turcz.), in Davuria (Turcz.) etKamtscb atka! 

 (Chamisso, Erman) , inque insulis Unalascbka! (Chamisso et Eschscholtz), 

 Acbta et Kodjak (Rupr.); 

 (3. in Rossia media [Lithuania in sylva Bialowiza (Eichw.)] et Sibiria 



altaica in deserti soongoro-kirghisici m. Arkat, Karkaraly et Bujan-Aul 



(Schrenk e Rupr.) ; 

 3'. in insula Sitcha (Bongard, Mertens e RurR.). 4. 



4. P. rhaeticum (L. Spec. 1552) frondibus glabris ambitu ob- 

 longis utrinque attenuatis bipinnatis, pinnulis Janceolatis pinnatipartitis, 

 laciniis inciso-crenatis oblique mucroriatis, soris disjunctis. 



P. rhaeticum. Fries Stimma Veget. Scandin. p. 82. — Pall. It. II, p. 28. — 

 Georgi Beschr. d. Russ. R. III, 5. p. 1381. — F. Nyland. Spicil. pl. fenn. 

 II, No. 32. — Rupr. in Beilr. s>. Pflanxenk. d. Russ. R. III, p. 50. 



P. alpestre. Hoppe pl. exs. sec. Koch Syn. ed. 9, p. 974. 



Aspidium rhaeticum. Willd. Spec. pl. V, p. 280. — C. A. Meyer Ind. catic. p. 229. 



Hab. in Rossia arctica [Lapponia (F. Nyland. , Baer e Rupr.)] et media 

 [Livonia! et Litbuania? (Georgi) , Orenburg (Pall.)], inque provinciis 

 caucasicis [pr. Lenkoran (C. A. Meyer)]. 4. 



Species quoad genus dubia , e sententia cl. F. .Nylander Athy- 



riis associanda. 



1126. Woodsia. R. Rrown. 



in Transact. soc. Linn. lond. XI, p. 170. — Endlicher yen. p. 63. — Meisn. 

 gen. p. 434. — Commeni. p. 335. 



Sori subrotundi. Involucrum calyciforme , apertum, margine cri- 

 nitum, capsulas pedicellatas includens. 



1. W. ilvensis (R. Brown /. C. p. 173) fronde pinnata subtus 

 cum rachi stipiteque pilis paleisque obtectis } pinnis pinnatipartitis, Jaci- 

 niis oblongis obtusis subcrenatis. 



W. ilvensis. Fries Summa Veget. Scandin. p. 82. — Kaulf. Emim. Fil. p. 251. 



— Ledeb. Fl. alt. IV, p. 330. — Turcz. Cat. Baikal. No. 1354. — Hohenack. 



Enum. Talusch p. 11. — Karel. et Kiril. Enum. pl. Fl. alt. No. 959. — 



Rupr. in Beitr. s. Pflanz.enk. d. Russ. R. III, p. 52. 

 W. vestita. Spreng. Nov. Proven. p. 44 (excl. syn. Swartz e Mich.). 

 W. hyperborea /i. rufidula. Koch Syn. ed. 2, p. 975. 

 Acrostichum ilvense. L. Spec. J528. — Georgi It. 1, .p. 238 J //, p. 585. — Falk 



Beitr. II, p. 272. — Pall. Ind. Taur. — Georgi Beschreib. d. Russ. R. III, 



5. p. 1378. 

 Acrosticbum Marantae. Pall. It. III, p. 293. 



Polypodium ilvense. Swartz Syn. Fil. p. 39. — Willd. Spec. pl. V, p. 198. 

 Polypodium Marantae. Hoffm. Deutschl. Fl. II, p. 5. 

 Polystichum Marantae. Roth Fl. germ. III, p. 92. 



Aspidium rufidulum. Swartz Syn. Fil. p. 58. — Willd. Spec. pl. V, p. 282. 

 Nephrodium rufidulum. Mich. Fl. bor. am. II, p. 269. 



Hab. in Rossia arctica [Lapponia (Wahlenb.), Nowaja Semlja (Baer e Rupr.)], 

 s ep tcntrionali [Feunia (Rupr.)] et media [Petropoli (Korin et Fisch. e 

 Riipr.), ins. Hochland (Schrenk e Rupr.), Perin (Georgi)], Tauria (Pall.), 

 provinciis caucasicis [provinc. Taliisch in tractu Suwant, alt. 500 hexap. ! 

 (Hohenack.)], Sibiria uralcnsi (J. G. Gmel. e Rupr., Falk), pr. Slatoust 

 (Nesterofksky e Rupr.) , altaica! (J. G. Gmel. e Rupr. , Falk, Fl. alt., 

 Karel. et Kiril.), in deserto soongoro-kirgbisico (Schrenk e Rupr.), baika- 

 lensi! (J. G. Gmel. e Rupr. , Pall., Georgi, Turcz.) et orientali (J. G. 

 Gmel. e Rupr.), iuque Davuria! (Turcz.) et Kamtschatka! (Chamisso et 

 Eschscholtz, Erman e Rupk.). 4. 



