46 OTTO V. DARBISHIRE. [SEC. ARCT. EXP. FRAM 
Collema ceranoides (Borr.) Mupp.— Tu. Fr. Spitsb. p.52.— Spitsb. 
— Over moss and earth. 
Collema crispun L.— Tu. Fr. Aret. p. 276. — Icel. — Over earth, 
and moss. 
Collema flaccidum (Acu.) Tu. Fr. — Tu. Fr. Arct. p. 281.—Greenl., 
Spitsb., Icel. — Over stone. 
Collema melaenum Acu.— Tu. Fr. Arct. p 277. — Greenl., Spitsb. 
— Over rocks. 
Collema nigrescens (Hups.) Acu. — Tu. Fr. Arct. p. 280. — Greenl., 
Icel. — On trees. 
Collema plicatile Acu. — Nyt. Syn. I. p. 109.— Greenl.— On rocks. 
Collena pulposum (Bernu.) Nyt. — Tu. Fr. Arct. p. 277.— Am. 
Greenl., Spitsb., Icel. — Over earth. 
Collema verrucaeforme Acu. — Tu. Fr. Are. p. 279.—Greenl., Icel. 
— Over moss. 
Leptogium Kpr. 
Leptogium lacerum (Sw.) Tu. Fr. — Tu. Fr. Arct. p. 282. — Greenl., 
Icel. — Between moss on rocks. — E. P. S. N. King Oscar Land, Harbour- 
fjord (24), Goosefjord (84, 39), Vendom Kap (55); North Devon (66). 
Leptogium saturninum (Dicss.) Tu. Fr. — Tu. Fr. Arct. p. 282. — 
Am., Greenl. — Over bark and rocks. — E.P.S.N. King Oscar Land, 
Harbourfjord (31), Goosefjord (88, 39). 
Leptogium Schraderi (Bernu.) Nyt. — Ny. Syn. I. p. 183. — Am. 
— On rocks. 
Leptogium scotinum Acu. — Tu. Fr. Arct. p. 283.-— Spitsb., Icel. — 
Over moss and stone. 
Leptogium tenuissimum Acu. — Tu. Fr. Arct. p. 285. — Spitsb. 
— Over moss. 
Leptogium tetrasporum Tu. Fr. — Tu. Fr. Engl. Pol. Exp. p. 367.— 
Am. — Over earth. 
Pyrenopsis Nyt. 
Pyrenopsis haematops (Smrrt.) Tu. Fr. — Forss. Ghoeol. p. 51.— 
Greenl. — Over rocks. 
