REPORT ON THE BOTANY OF THE ATLANTIC ISLANDS. 113 



Physcia speciosa, Fries, var. hypoleuca. 



Physcia speciosa, Fries; Nyl., Synop. Lick, i. p. 416; Leightou in Trans. Linn. Soc. Lond., xxvii. p. 

 156, et in Melliss's St Hel., p. 376 (var. hypoleuca). 



St Helena. Burchell; Melliss. 



Tiiis variety is widely dispersed, especially in warm regions. 



Physcia astroidea, Fries. 



Physcia astroidea, Fries; Nyl, Synop. Lich., i. p. 426 ; Leighton in Melliss's St. Hel., p. 376. 



St Helena. Melliss. 



Central and Southern Europe, and North Africa. 



Physcia picta, Nyl. 



Physcia picta, Nyl., Synop. Lich., i. p. 430 ; Leighton in Trans. Linn. Soc. Lond., xxvii. p. 157, et in 

 Melliss's St. Hel., p. 376. 



St Helena. — Melliss. 

 Widely spread. 



Lecanorei. 



Pannaria rubiginosa, DeL 



Pannaria rubiginosa, Del. ; Leighton in Trans. Linn. Soc. Lond., xxvii. p. 157, et in Melliss's St Hel., 

 p. 376. 



St Helena. Burchell; Melliss. 



Very widely spread. 



Erioderma unguigerum, Fee. 



Erioderma unguigerum, Fee ; Leighton in Trans. Linn. Soc. Lond., xxvii. p. 157, et in Melliss's St Hel., 

 p. 377. 



St Helena. Burchell; Melliss. 



Burchell's St Helena specimens of this lichen in Kew Herbarium are named Erioderma 

 polycarpwm in the handwriting of Leighton ; and one collected by Sir J. D. Hooker is 

 named Erioderma unguigerum by Nylander. 



Cora pavonia, Web. 



Corapavonia, Web.; Leighton in Trans. Linn. Soc. Lond., xxvii. p. 157, et in Melliss's St Hel., 

 p. 377. 



St Helena. Burchell; Melliss. 



West Indies ; South America. 



(bot. chall. exp. — part ii. — 1884.) 1> 15 



