304 DR. LINDSAY ON THE LICHEN-FLORA OF GREENLAND. 



Sp. 11. carneola, Fr, ; not mentioned by Th. Fries, but 

 cited by Tuckerman (Syn. Lich. New EngJ., 

 p. 52), on authority of Fries />eVe. 



12. verticillata, Hffm., and 



*vm\ cervicornis, Ach. ; both rare. 



13. *gracilis, L. (ecmocyna, Ach.); various forms. 



14. *furcata, Schreb,^ and 



*va7\ crispata, Ach. 



— subulata, L. 



— pungens, Ach.^ and other forms. 



15. *rangiferina,f Z., and 



var. sylvatica, Hffm. 



16. *uncialis, L.; various forms. 



17. *amaurocroea, Flk.; fruit common. 



18. *cornucopioides, L. 



19. *belIidiflora, Ach. 



20. *deformis, L. ; various forms. 



21. digitata, L. 



22. *degenerans, Flk.^ and 



^var. coralloidea, Ach. 



23. *alcicornis, Flh. 



24. ^squamosa, Hffm. ; various forms 



25. *fimbriata, TIffm. 



26. *cyauipes, S/?i?if. 

 Gen. 7. Stereocaulon,. 



Sp. 27. ^paschale, L. 



28. *tomentosum, Fr., and vars. or forms. 

 *'var. alpina, Laur. 



— coralloidea, Linds. 

 Sp. 29. *denudatum, Flk., and 



var. pulvinata, Sch. 

 Gen. 8. Thamnolia (Cladonia). 



Sp. 30. *vermicularis, Sw, 

 Gen. 9. Usnea. 



Sp. 31. melaxantha, Ach. ; always sterile. 

 Gen. 10. Alectoria. 



Sp. 32. jubata, L. (Bryopogon), and 

 *var. bicolor, Ehrh. 

 * — chalybeiformis, L. 



— nitidula, Th. Fr. ; all sterile. 



33. *Thulensis, Th. Fr.^ 



34. *divergens, Ach. (Cornicularia.) 



35. *ochroleuca, Ehrh., and 



var. cincinnata, Fr. 



— sarmentosa, Ach. ; very rare, on branches of 

 Salix glauca. 



* — rigid a, Vill. 



* — nigricans, Ach.\ 



•j- Th. Fries spells this Rhangiferlna ; but the other, though probably etymo- 

 logically incorrect, is the spelling generally adopted. 

 X Assigned to A. iiigricans in Fries' " L. Spitsberg." 

 § Promoted to the rank of a separate species in Fries' " L. S}*itsberg." 



