In the Altaian, in somewhat moist places, in subalpine coniferous woodlands. 

 Distribution: Europe, northern and central Asia, North America. 



Onoclea Struthopteris (L.) Hoffm. Deutsch. Fl. (1795) p. 12; Swartz, Syn. Fil. p. Ill; 

 Luerss. Farnpflanz. p. 482. Stt uthiopieris germanica Willd. Spec. Pi. V (1810) p. 288; 

 Ledeb. Fl. Alt. IV, p. 325; Turczan. Cat. Baical. no. 1343; Karel. et Kiril. Enum. PL Fl. 

 Alt. no. 955; Ledeb. Fl. Ross. IV, p. 527; Turczan. Fl. Baical.-Dahur. (1856, I) p. 79, 

 no. 1388. Osmunda SfraZ/iiop/em L. Spec. PI. ed. II (1763) p. 152.3.Ma«euccja Stnilhiopteris 

 (L.) Todaro, KptiJi. cDj. Ajit. VII (1914) p. 1782. 



Common on wet, wooded mountain-sides at Kushabar and in the taiga about the 

 river Amyl, on the Sisti-kem as well as the Bei-kem. Observed with sporangia in July 

 and August. 



Distribution: Europe, Siberia, eastern Asia, Sakhalin, Japan, North America. 



Aspidium Thelypteris Swartz in Schrad. Journ. Bot. 2 (1800) p. 40; Luerss. Farn- 

 pflanz. p. 360. Acroslichum Thelypteris L. Spec. PI. ed. II (1763) p. 1528. Polysiichum 

 Thelypteris Roth, Tent. Fl. Germ. 3, p. 7; Ledeb. Fl. Ross. IV, p. 513. Dryopteris 

 Thelipteris (L.) A. Gray, Man. (1848) p. 630; Kpi,iji. <^a. Ajit. VII (1914) p. 1785. 



Along the borders oi Sphagnum-marshes, and in swampy woods in several places 

 in the Amyl valley, between Kushabar and the Algiac Pass. 



Distribution: Europe, excepting the extreme northern and southern portions, 

 Siberia, south-western and central Asia, northern Mongolia, eastern Asia, Japan, Africa, 

 North America, New Zealand. 



Aspidium spinulosum Swartz in Schrad. Journ. Bot. 2 (1800) p. 38. Luerss. Farn- 

 pflanz. p. 429. Polystichum spinulosum D. C. Fl. Franc. II (1805) p. 561; Ledeb. Fl. Ross. 

 IV, p. 515; Turczan. Fl. Baical.-Dahur. (1856, I) p. 84, no. 1398. Dryopteris spinulosa 

 (Miill.) O. Ktze, Rev. Gen. PI. II (1891) p. 813; Kpwj, $ji. A.it. VII (1914) p. 1790. 



Rather common in pine-wood about the river Amyl, and in several places on the 

 Sisti-kem, accompanying the following: 



subspec. dilatatum Smith, Fl. Brit. 3 (1804) p. 1125; Aschers. et Graebn. Synops. 

 Mitteleur. Fl. I (1913) p. 59; Kptiji. (Kje. Ajit. VII (1914) p. 1791. 



In shady coniferous wood on the Amyl and the Upper Sisti-kem, in the Altaian, 

 where observed by me on the mountains up to the limit of conifers. Collected here 

 with sporangia at the end of July. 



Distribution: The species is distributed over the greater part of Europe, Asia 

 Minor, Siberia, northern Mongolia, the Himalayas, eastern Asia, Sakhalin, Japan, North 

 America, Greenland. 



Phegopteris Dryopteris (L.) Fee, Gen. Fil. (1850—52) p. 243; Luerss. Farnpflanz. 

 p. 300. Dryopteris Linnaeana Christens. Ind. Filic. (1905) p. 275; Kptur. Oji. Ajit. VII 

 (1914) p. 1792. Polypodium Dryopteris L. Spec. PI. ed. II (1763) p. 1555; Ledeb. Fl. 



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