Peltolepis grandis

Peltolepis grandis Lindb. Bot. Notiser 1877: 74. 1877
Sauteria alpina Angstr. Bot. Not. 183^: 97, in part. 1839. Not 5. alpina Nees, 1838.
Sauteria grandis Lindb. Medd. Soc. Faun. Fl. Fenn. 1; 113. 1876.
Peltolepis sibirica Lindb. Acta Soc. Faun. Fl. Fenn. 2': 4. 1882.
Peltolepis grandis sibirica Lindb. Medd. Soc. Faun. Fl. Fenn, 9: 162. 1883.
Peltolepis grandis angustifrons Lindb.; Lindb. & Arnell, Sv. Vet.-Akad. Handl. 23^: 13. 1889.
Thallus mostly 1-2 cm. long and 5-7 mm. wide, sometimes appreciably narrower, the purple pigmentation involving the lower siirface and sometimes the whole upper surface but usually here restricted to the margin, strongly convex below, channeled above and with erect-spreading wings; epidermal cells with more or less thickened walls and often with distinct trigones; pores slightly elevated, usually surrounded by 5 or 6 cells, the thickenings of the radial walls ovatelanceolate in outline when well developed but sometimes scarcely apparent; appendages of the ventral scales lanceolate, white or purplish. Normally paroicous but often with male branches; stalk of female receptacle mostly 0.5-1 cm. long, the paleae abundant toward the apex, lanceolate and bearing numerous slime-papillae, the disc about 3 mm. wide; spores dark-brown, mostly 45-50 m in diameter; elaters 8-10 m wide, with 2 or 3 yellow spirals.
Type locality: Scandinavia. , . , , .
Distribution: Greenland; also in Europe and northern Asia; a species of arctic and alpine regions, preferring calcareous substrata. — . , ^ y^ *£■-. a^^-