Asplenium crenaium Fries, Summa Veget. Scandinav. p. 82. 253; Ledeb. Fl. Ross. IV, 

 p. 518; Turczan. Fl. Baical.-Dahur. (1856, I) p. 80, no. 1391. Asplenium sibiricum 

 Turczan. Cat. Baical. no. 1347. 



On stony ground, in shady pine-wood, on the Upper Sisti-kem, on the Kamsara, 

 and near the Dora Steppe. Observed with sporangia at the end of July. 



Distribution: Northern Europe, Siberia, northern Mongolia, eastern Asia, Sakhalin. 



Asplenum septentrionale (L.) Holfm. Deutschl. Fl. II (1795) p. 12; Ledeb. Fl. Alt. 

 IV, p. 327; Ledeb. Fl. Ross. IV, p. 521; Luerss. Farnpflanz. p. 209; Kpwji. $ji. Ajit. VII. 

 (1914) p. 1803. Acrostichum sepienlrionale L. Spec. PI. ed. II (1763) p. 1524. 



In dry chinks of rocks facing south, rather common near Ust Algiac. With sporangia 

 in July. 



Distribution: Europe, Asia Minor, Siberia, western and central Asia, North Africa, 

 North America. 



Asplenum viride Huds. Fl. Angl. ed. I (1762) p. 385; Ledeb. Fl. Ross. IV, p. 521; 

 Luerss. Farnpflanz. p. 159; Kptui. $ji. A.it. VII (1914) p. 1805. 



Among loose stones in chinks of rocks, near the banks of the Amyl and the Upper 

 Sisti-kem, in somewhat moist, subalpine coniferous forest. 



Distribution: Europe, western and central Asia, Siberia, North America. 



Asplenum Ruta muraria L. Spec. PI. ed. II (1763) p. 1541; Ledeb. Fl. Alt. IV, p. 327; 

 Ledeb. Fl. Ross. IV, p. 520; Luerss. Farnpflanz. p. 218; Turczan. Cat. Baical. no. 1349; 

 Turczan. Fl. Baical.-Dahur. (1856, I) p. 81, no. 1393; Kpi.ij[. cDji. Ajit. VII (1914) 

 p. 1805. 



In chinks of dry, hot rocks in the Amyl valley, near Semiretska, and near Ust 

 Algiac, on the Sisti-kem. 



Distribution: Europe, Siberia, western and central Asia, Japan, North Africa, North 

 America. 



Pteridium aquilinum (L.) Kuhn, Botan. v. Ost-Afr. (1879) p. 11; Christens. Ind. 

 Filic. p. 591; Luerss. Farnpflanz. p. 104; Kptijt. $ji. Ajit. VII (1914) p. 1810. Pteris 

 aquilina L. Spec. PI. ed. II (1763) p. 1533; Ledeb. Fl. Alt. IV, p. 326; Turczan. Cat. 

 Baical. no. 1345; Ledeb. Fl. Ross. IV, p. 524; Turczan. Fl. Baical.-Dahur. (1856, I) p. 

 80, no. 1390. 



Rather common in the traversed regions. In meadows in woods, near Kushabar; 

 rather common in subalpine, open coniferous forest in the Altaian, at Ust Algiac, at Ust 

 Sisti-kem, in open fir-and larch-wood, accompanying Anemone silveslris, Lilium Marlagon, 

 Geranium, etc. With spores in July and August. 



Distribution: Occurs nearly all over the globe, except in the arctic and arid tracts, 

 and in temperate portions of South America. 



11 105 



