112 Rev. W. A. Leighton on the Cladouiei 



O' 



men^s Land (Gunn and Mr. Oldfield), Victoria (Adamson and 

 Wilhelmi), prov. Canterbury, New Zealand (Dr. Haast). 



India: — Kankola, reg. alp. 12,000 feet, and Chongtam, 

 Sikkim (Dr. J. D. Hooker). 



South Atlantic and South Indian Oceans: — St. PauPs Island 

 and Tristan d^Acunha (Milne and Macgillivray), 



Var. decorticata (Flk.) (K- C-). 



Africa : — Mauritius (Telfair), Tristan d'Acunha (Macgillivray). 



India :— Tonglo, Sikkim, reg. temp. 10,000 feet (Dr. J. D. 

 Hooker). 



North America : — Ohio (Peck). 



Tropical America : — St. Vincent^s (Rev. L. Guilding). 



South America: — Rio (Mrs. Graham). 



Australasia:— Tasmania (Mr. Oldfield), New Zealand (Dr. 

 Joliffe), Otago (Hector). 



Var. caspititia, Flk. (K— C — ). 

 Ireland (Miss Hutchins and SirT. Gage). 



14. C. conchata, Nyl. (K- C-). 

 Victoria (Dr. F. Miiller). 



According to the typical specimen of Dr. Nylander, in hb. 

 Kew, this seems referable to pityrea, 



15. C. ceratophyllaj Eschw. (K— C — ). 



Tropical America: — Jamaica (M^Fadyen?), Peak of Orizaba, 

 10,000 ft. (H. Galeotti). 



North America: — Near 49th par. lat. Oregon B. C. (Dr. 

 Lyall). 



South America : — Rio (Milne). 



Africa: — Tristan d^Acunha (Milne). 



There would appear to be two forms of ceratophylla — one (of 

 which the localities and reaction are as above) with the thalline 

 leaves flat and of a green colour, and apparently approaching 

 pyxidata-, the other, from Brazil (Tweedie), has a reaction K f + 

 C + , quite similar to the reaction in Wright^s Cuba, 25, and the 

 thalline leaves are of a yellower colour and considerably re- 

 curved. 



16. C. verticillaris, Mnt. (K— C — ). 



Tropical America : — Brazils (Prof. Raddi), Organ Mountains 

 and summit of Redra Bonita Igaca, and in the Diamond District 

 (Gardner). 



The specimens from the above localities had a smooth un- 

 broken cortex, and the verticilli were large and dilated, entire, 

 the edges only laciniate. Other specimens, from the following 



