COLLECTED DURING THE ARCTIC EXPEDITION. 15 



traded, thick, cracked into large pyramidal warts ; stem about 

 l inch high, springing from an irregular subglobose mass 1| 

 inch in diameter, penetrated everywhere with the branched my- 

 celium, the threads of which, where free, bear little young globose 

 pilei ; spores brown, nearly globose, # 00025- # 0003 in diameter. 



This curious species, which at first sight looks like some form 

 of Agaricus campestris, though the spores are altogether different, 

 is clearly allied to Agaricus ocreatus. The same species apparently 

 was gathered by H. C. Hart at Hayes Sound. 



9. Hyorophorus virgin eus, Ft. Hym. Eur. p. 413. 



Small specimens, Sept. 29, 1875, lat. 82° 27' N. (Capt. Feilden). 



10. H. miniatits, Fr. Hym. Eur. p. 418. 

 Hayes Sound, Aug. 4, 1875 (H. C. Hart). 



11. Eussula Integra, Fr. Hym. Eur. p. 450. 



Bellot Island, lat. 81° 41' N., Aug. 13, 1876 (Capt. Feilden). 

 Spores yellow. This appears to be one of the commonest species 

 in the north of Europe, and is esculent, 



12. Cantharellus muscigenus, Fr. Hym. Eur. p. 460. 

 On moss. Discovery Bay (H. C. Hart). 



13. Merttlius aurantiacus, Fr. Hym. Eur. p. 591 ; Kl. in 

 Berk. Eng. Fl. v. p. 128. 



Winter-quarters, July 1876 (H. 0. Hart). If I am right in 

 the determination of the single specimen, it is curious that it 

 should occur away from Pines, its usual concomitant. 



14. Ltcoperdon cretacel t m, B. 



Sessile, globoso-depressura, pallide fulvum, scabroso-pulveraceutn, sur- 

 sum cretaceum, in areolas rigidas pyramidatas fissum; eapillitio fusco; 

 mycelio repente niveo. 



Bellot Island, Aug. 14, 1876 (Capt. Feilden). Threads coarse, 

 irregular ; spores •0002-0003 in diameter. 



15. L. atropurpureum, Vitt. Monog. Lye. p. 42, tab. ii. fig. 6. 

 Mount Prospect, winter-quarters, July 4, 1876 (H. C. Hart). 



Bellot Island, Aug. 13, 1876 (Capt. Feilden). Upernavik, July 22, 

 1875. Hayes Sound, Aug. 4, 1875 (Capt. Feilden). 



Peridium subglobose, plicate at the cellular base, covered at 

 first with minute prickles, which gradually vanish, stellulato-ver- 

 rucose above, the warts at length deciduous; threads clay-coloured; 

 spores dark, echinulate, '0002-0003 in diameter; mycelium white. 



