202 HULL SCIENTIFIC AND FIELD NATURALISTS CLUB. 



Spumaria alba DC. 



White plasmodium creeping over grass on the roadside, Dryham, 

 North Cave, Aug. 29, 1903 ; only a small portion ripened when placed 

 under a bell jar. 



STEMONITACE^E. 



Stemonitis fusca Roth. 



Rose Hill, Hedon, Dec. 29, f902. Thorp Garth, Aldborough, 

 Aug. 8, 1903. Newton Garth, Dec. 26, 1903. Hornsea, Aug. 8, 1904. 

 Bale Wood, Aldborough, Aug. 24, 1904. Burton Constable, Aug. 31, 1904. 



Stemonitis flavogenita Jahn. 



This species was till recently incorrectly designated 5. ferruginea 

 Ehr., and East Riding specimens have been distributed under this name. 

 The discovery of Ehrenberg's type specimen proves that his 5. ferruginea 

 is the modern 5. Smithii, and necessitates a change of nomenclature 

 (Journal of Botany, vol. 42, p. 194). 



Hedon, on sticks in a hedge, Aug. 3, 1903. Thearne, Oct., 1903, 

 J. F. Robinson ! Hornsea, Aug. 8, 1904. Snake Hall, near North 

 Cave, Aug. 27, 1904. Pond Wood, Boynton, July 1, iS81 (W. W. 

 Strickland, loc. cit.). 



Stemonitis ferruginea Ehr. 



Formerly known as S. SmitJiii Macbride. 



Two small gatherings in Bale Wood, Aldborough, Aug. 21, 1903. 



Comatricha obtusata Preuss. 



Nursery Gardens, Boynton, Nov. 15, 1885, W. W. Strickland (loc. 

 cit.); Lister, Mon. p. 118. Filey, Y.N.U., June n, 1883, _M? H. T. 

 Soppitt (Nat. vol. 8, p. 191); V.N.U., June 1, 1903 (Nat. vol. 28, 

 p. 250). Escrick, Y.N.U., Sept., 1896 (Nat. vol. 21, p. 365). Brough, 

 Y.N.U., May 27, 1901 (Nat. vol. 26, p. 227). Hornsea, April iS, 

 1903 ; Aug. 8, 1903, &c. Hedon, Dec. 26, 1903, &c. Birkhill Wood, 

 Aug. 1, 1903. Thorp Garth, Aldborough, Aug. 7, 1903, &c. Bale 

 Wood, Aldborough, Aug. 21, 1903. North Cave, Aug. 29, 1903. 

 Boreas Hill, Sept. 1, 1903. West Dock Reservation, Hull, Sept. 5, 

 1903. Thearne, Jan. 2, J904. Tansterne, Jan. 6, 1904, &c. The form 

 known as C. cequalis Peck was gathered at Thorp Garth, Aldborough, 

 Aug. 8, 1903. 



Comatricha laxa Rost. 



Very small sporangia on a pine log, West Dock Reservation, Hull, 

 Sept. 5, 1903. 



