S6 PROCEEDINGS OF THE AMERICAN ACADEMY. 



P. leucomcla, var, Jiliformis, Anderss. (1), 124, & (2), 36. Borrera 

 Uucomelas, \av. Jiliforinls, Hook. f. (3), 164. — James Isl. : Darwin^ 

 ace. to Hook, f., 1. c. who states that " the same slender variety is com- 

 mou ou the Peruvian Coast." 



PsEUDOCYi'iiELLARiA, Wainio. 



p. AURATA, "Wainio, Lichens du Bresil, i. 183 (1890). Sticta auraia, 

 Acli. Meth. Lich. 277 (1803) ; Hook. f. (3), 164; Anderss. (1), 124, & 

 (2), 36. — Albemarle Isl.: rnonntain east of Iguana Cove, alt. 

 925 m., Feb. 1899, Snodgrass & Heller. James Isl.: Darwin. 

 Narborough Isl. : southern part, alt. 615 m., March, 1899, Snodgrass 

 & Heller. Further distrib. general. 



Ptrenula, Fee. 



P. CERiNA, J. Muell, Flora, Ixvii. 667 (1884). Verrucaria cerina, 

 Eschvv. Bras. 133 (1833). Pyrenula aurantiaca, Fee, Suppl. 82, t. 37, 

 f. 1 (1837). — Narborough Isl. : southern part. alt. 615 m., 5 April, 

 1899, Snodgrass & Heller. On branches of the palo santo [Bursera 

 graveolens) with spermagonia and spores. The latter are obtusely 

 elliptical, 28 ^i by 14 yi, at first hyaline and multiguttulate but becoming 

 dark and 4-celled. Further distrib. Bermuda, S. Am. 



Ramalixa, Ach. 



R. complanata, Ach. Lich. Univ. 599 (1810). Lichen complana- 

 tus, Sw. Fl. Ind. Occ. iii. 1911 (1806). — Galapagos Ids.: Hass- 

 ler Exp. [HiW]. Charles Isl. : Cuevas Bay, £au7\ Gardner 

 Isl.: May, 1899, Snodgrass & UeUei: Hood Isl.: May, 1899, 

 Snodgrass & Heller. Toaver Isl. : June, 1899, Snodgi'ass & Heller. 

 Further distrib. warmer parts of America, East Indies, Australia. 



R. INDICA, Fr. Kongl. Vet. Ak. Handl. 43 (1820); Anderss. (1), 

 123, & (2), 35. — Charles Isl.: on trunks of trees in the ui^per 

 region, Andersson. Not seen by the writer. Further distrib. India. 



R. usxEOiDES, Fr. Lich. Eur. 468 (1831). ParnieUa nsneoides, 

 Ach. Meth. Lich. 270 (1803). — Bixdloe Isl. : 20 June, 1899, Snod- 

 grass & Heller, a small form. A characteristic species qf the warmer 

 regions of America. A specimen in herb. Tuckerman collected on the 

 Galapagos Ids. by the Hassler Exp. \_Hiir\, and marked Alectoria 

 sarmentosa appears to belong rather to this species. 



