164 Dr. J. D. Hooker's Enumeration of the Plants 



Galapagos, afford materials for making some general remarks upon the botany 

 of tiiese islands and its relation to that of other countries. 



Fungi. 



1. SCHIZOPHYLLUM COMMUNE, FrieS. 

 Hub. Charles Island, Charles Darwin, Esq. 



LiCHENES. 



2. UsNEA PLiCATA, Ack. Syn. Meth. p. 305. 



Hab. James Island, '•' hanging from the boughs of the trees in the upper damp region, where 

 it forms a considerable proportion of the food of the large tortoise." {Charles Darwin, 

 Esq.) 



Cladonia rangiferina is one of the few parallel instances of lichens consti- 

 tuting the main subsistence of any animal among the higher orders. This 

 species is abundant in all temperate and tropical countries. 



3. BoRRERA LEUCOMELAS, Ach. Lichcnogr. Univ. p. 499, var.Jiliformis. 

 Hab. James Island, Charles Darwin, Esq. 



The same slender variety is common on the Peruvian coast. The species is 

 a very rare English, though a common tropical plant. 



4. Sticta aurata, Ach. Syn. Meth. p. 231. 

 Hab. James Island, Charles Darwin, Esq. 



Also an exceedingly scarce English lichen, much more common in the 

 warmer latitudes. 



Hepatic-s;*. 



5. jungermannia vaginata, sw. 



Hab. James Island and Charles Island, Charles Darwin, Esq. A West Indian plant. 



6. J. Tamarisci, Hook. 



Hab. Charles Island, Charles Darwin, Esq. A British and very widely diffused species. 



* For the determination of the Musci and Hepaticx I am indebted to the kindness of William Wil- 

 son, Esq. of Warrington. — J. D. H. 



