204 HULL SCIENTIFIC AND FIELD NATURALISTS' CLUB. 



Dictydium umbilicatum Schrad. 



On very rotten wood, Thorp Garth, Aldborough, Aug. 8, 1903. 

 Abundant on a log in Birkhill Wood, July 23, 1904. Hornsea, abundant, 

 Aug. 8,1904. Wassand, small pale form on an ash stump, Aug. 8, 1904. 



LICEACE^I. 



Licea flexuosa Pers. 



Usually found on old fencing and other worked wood in stickheaps 

 and dead fences. Hedon, bank of old Humbleton Beck, Jan. 1, 1903. 

 Stickheap, Hedon, Jan. 1, 1904 ; April 2. 1904. 



TUBULIN ACE.E. 



Tubulina fragiformis Pers. 



Snake Hall near North Cave, Aug. 27, 1904 ; a pinkish red convo- 

 luted mass which turned black, and finally brown in ripening. 



RETICULARIACEiE. 



Dictydisethalium plumbeum Rost. 



On hawthorn branches in a dead fence, Pollard farm near Hedon, 

 Dec. 24, 1902. Stickheaps, Hedon, Dec. 26, 1902 ; Dec. 24, 1903 ; 

 Kthalia in the latter case two inches long. Bank of Humbleton Beck, 

 Hedon, Jan. 1, 1903. Swan Island, Hornsea, Aug. 22, 1903. Hospitals, 

 Hedon, Dec. 29, 1903. Thearne, Jan. 2, 1904. 



Enteridium olivaceum Ehr. 



Hedon, Dec. 29, 1902. On pit props, ex steamer from Norway, one 

 of the asthalia three inches in length, Sept. 5, 1903. Tansterne, Jan. 6, 

 1904. Thearne, Jan. 2, 1904 ; a form approaching var. liceoides, with 

 small hemispherical asthalia and free spores. Boynton, Feb. 1882 

 [Rcticularia applanata Fr.), W. W. Strickland (loc. cit.) ; specimens 

 from Boynton in the British Museum collection (Lister, Mon. p. 159). 



Reticularia lycoperdon Bull. 



Boynton, May 14, 1880 (R. umbrina Fr.), W. W. Strickland (loc. cit.). 

 Pocklington, Y.N.U., Sept. 7, 1893 (Nat. vol. 19, p. 76). On willow, 

 Rose Hill, April ir, 1903; Aug. 4, 1904. Newton Garth, July 22, 1903, 

 Thorp Garth, Aldborough, Aug. 7, 1903. Tansterne fox cover, Aug. 8, 

 1903. Hornsea, on ash trees south of the Mere, Aug. 13, 1903. North 

 Cave, Aug. 29, 1903. Burstwick Road, Hedon, May 25, 1904. Hedon, 

 Julv 28, 1904. Snake Hall near North Cave, Aug. 27, 1904. 



