30 OTTO V. DARBISHIRE. [SEC. ARCT, EXP. FRAM 
Xanthoria FR. 
Xanthoria lychnea (Acu.) Tu. Fr. — Tu, Fr. Scand. p. 146.—Am., 
Greenl., Spitsb., Icel. — Over rock and wood.—E. P.S. N. Greenland (2); 
Ellesmere Land, Fort Juliana (5); King Oscar Land, Harbourfjord (24). 
Xanthoria parietina (L.) Acu. — Tu. Fr. Scand. p. 145.— Am, 
Greenl., Spitsb., Icel. — Everywhere. — E. P. S. N. King Oscar Land, Har- 
bourfjord (24), Goosefjord (38). 
Placodium D.C. 
Placodium elegans (Linx) Nyt. — Tu. Fr. Scand. p. 168.— Am., 
Greenl., Spitsb., Icel. — On stone and moss. — E. P.S. N. Greenland (2); 
Ellesmereland, Fort Juliana (5), Beitstadsfjord (7), Twinglacier Valley (8); 
North Lincoln (23); King Oscar Land, Harbourfjord (24, 27, 28), South 
Cape (34), Bjorneborg (35), Goosefjord (88—42, 44, 48, 49), Vendom Kap 
(55), Graham Island (59), Coalbay (62); North Kent (64); North Devon 
(66); Cardigan Straits (67); Camp n. 33 (69). 
Placodium miniatum Hrru. — Tu. Fr. Scand. 170. — Icel. — Over 
rocks and wood. 
Placodium murorum (Hrrm.) D.C. — Tu. Fr. Scand. p. 170.—Am., 
Greenl., Spitsb., [cel. — Over moss and stones. — E. P.S. N. King Oscar 
Land, Harbourfjord (28), Goosefjord (38). 
Flacodium splendens Darsisu. — E. P.S. N. Ellesmereland, Cape 
Rutherford (14), Gocked Hat Island (18); North Lincoln (23); King Oscar 
Land, Braskerudsliuen (63). — Over earth and rarely on stones. 
Blastenia Man. 
Blastenia atrocyanescens Tu. Fr. — Tu. Fr. Scand. p. 395. — Am. 
— Over stone. 
Blastenia diphyes (Nyu.) Tu. Fr. — Tu. Fr. Scand. p.395.— Greenl., 
Icel. — Over stone. 
Blastenia leucoroea (Acu.) Tu. Fr. — Tu. Fr. Scand. p. 392. — 
Greenl., Icel. — Over moss and old wood. — E. P.S. N. King Oscar Land, 
Goosefjord (47). 
Blastenia pleiophora (Ny.) Tu. Fr. — Tu. Fr. Scand. p. 394. — 
Greenl. — Over bark. 
Blastenia tetraspora (Nyu.) Tu. Fr. — Tu. Fr. Scand. p. 392. — 
Greeni., Spitsb., Icel. — Over mosses. — E. P. S. N. King Oscar Land, 
Goosefjord (39). 
