FLORA OF THE GALAPAGOS ISLANDS. 85 
B. sp. — Brinpioe Ist.: on rocks, 20 June, 1889, Snodgrass & 
Heller. 
A single specimen agreeing with some of the specimens referred to 
B. lactea in herb. Tuckerman, but it is not certain how far these agree 
with the views of other lichenologists. 
Curopecton, Ach. 
C. saneuineum, Wainio, Lichens du Brésil, ii. 143 (1890). Byssus 
sanguinea, Sw. Prodr. Fl. Ind. 148 (1783). Hypochnus rubrocinctus, 
Ehrh. Hor. Phys. Berol. 84 (1820). — Aprnepon Ist.: alt. 250 m., 25 
June, 1899, Snodgrass & Heller. Widely distributed in the warmer 
parts of the world. 
Crapvonta (Hill) Wainio emend. 
C. prcnociapa, Nyl. Jour. Linn. Soc. ix. 244 (1866). Cenomyce 
pycnoclada, Gaudichaud, Ann. Sci. Nat. Bot. v. 95 (1825). Cladonia 
rungiferina, var. auct. var.— ALBEMARLE IsL.: mountain east of 
Iguana Cove, alt. 925 m., Feb. 1899, Snodgrass & Heller ; mountain 
east of Tagus Cove, alt. 770 m., Feb. 1899, Snodgrass & Heller. 
Further distrib. S. Am., Africa, Asia, Australia. . 
Lecanora, Ach. 
L. GLavcovirens, Tuck. Proc. Am. Acad. xii. 172 (1874). — GaLa- 
PAGOS Ips.: Hassler Exp. [Hill]. Endemic 
Parme tia, Ach. 
-  P. pertata, Kremph. Flora, lii. 222 (1869); Anderss. (1), 124, & 
(2), 36. — Aninapon Ist.: Snodgrass & Heller. ALBEMARLE Ist. : 
Iguana Cove, Snodgrass & Heller. Cuarves Ist.: Andersson (specimen 
not seen by the writer). The specimens of Messrs. Snodgrass & 
Heller are small and sterile but appear to belong to this common species. 
P. sp. (P. physodi, Fries affinis) Andersson (1), 124, & (2), 36.— 
Cuartes Ist.: Andersson. Sterile and indeterminate, not seen by 
the writer 
PertusartA, DC. 
P. atBrnea, Tuck. Proc. Am. Acad. xii. 177 (1877). — GALAPAGOS 
Ips.: on bark, Hassler Exp. [Hill]. Endemic. 
Pnryscra (DC.) Th. Fr. 
P. tevcomeLa (L.) Michx. Fl. Bor.-Am. ii. 306 (1803). Lichen 
leucomelas, L. Sp. ed. 3, 89 (1764). Parmelia leucomela, auct. var. 
