NOTES ON SOME RARE SPECIES OF MYCETOZOA. 217 



several feet in length and some inches in breadth. The plasmodium 

 was in part of the usual rosy red colour, but a large proportion was 

 creamy white, shading into red. The sporangia that matured from 

 the cream-coloured plasmodium ranged from yellow to orange and 

 ferruginous, and those from the rosy plasmodium showed the same 

 difference in tint. In some sporangia the capillitium had numerous 

 free ends, similar in shape and reticulation to those in the type of 

 H. Gabriellcc ; in others none could be detected. The sculpture of 

 the capillitium varied in sporangia taken from different parts of the 

 growth in the presence or absence of spines and transverse bars, 

 and in the character of the reticulation. Such diversity in sporangia, 

 undoubtedly arising from a common origin, confirms the view that 

 the presence or absence of free ends and the surface sculpture of 

 the threads are unreliable characters on which to found specific 

 distinctions. The capillitium of a gathering in Epping Forest in 

 Nov. 1896 is terete in section, beset with spines and reticulations, 

 but without transverse bars ; it nearly approaches Rostafiuski's 

 type of A. dictyonema in character, yet the size of the spores and 

 the pattern on the cup of the sporangium-wall leave no doubt that 

 it is a form of A. ferruginea. 



A. STiPATA Lister. At the time of the publication of the B. M. 

 Cat. Mijc. this species had only been recorded from America, 

 with the exception of two specimens in the Kew Collection, one 

 from Ceylon and the other from Nepal. Further examination of a 

 specimen from " Merimasku, Finland, Karsten Fung. Fin. No. 378," 

 named Arcyria punieea in the Kew Collection, proves it to be 

 A. stipata. It was evidently mixed with other gatherings, as 

 Karsten's specimen in the Brit. Mus. Collection, under the same 

 name and number, is A. punieea. I have now received a fine 

 example from Mr. E. S. Salmon, gathered at Margery Hall, near 

 Reigate, on Dec. 11th, 189G, by Mr. W. F. Taylor. It is a larger 

 form, with longer stalks than any I have seen from America, but 

 the spiral lines on the capillitium are unusually distinct. It is 

 interesting to be able to add this to the list of British species. 



DiANEMA Harveyi Rbx. This species was gathered in Dec. 1895, 

 on a decayed stem of Clematis vitalba, also in Jan. and March, 1897 

 on ash-sticks, in an ivy-covered dell near Lyme Regis, where it was 

 discovered in Feb. 1894, and referred to in B.]\[. Cat. Mi/c 204. 

 Mr. Harvey states {IJidl. Torrei/ Hot. Club, xxiii. No. 8, 307) that 

 he has not met with the species since the original gathering was 

 obtained on decorticated poplar near Orono, Me., in Sept. 1889, 

 though searched for carefully. 



Lycogala flavo-fuscum Rost. In Sept. 1895, Mr. C. Crouch, of 

 Kitchen End, near Ampthill, Beds, observed a frothy white plas- 

 modium at the base of a decaying elm, and watched it almost daily 

 for a fortnight, when it had matured to a grey, pulvinate tBthalium 

 about an inch and a quarter in diameter. The cortex, capillitium, 

 and spores arc typical of L, jlavo-fusvum. The colour of the plas- 

 modium has not, I believe, been previously noted. On Oct. 4th, 

 1896, two aHhalia about an inch and a half long, and depending 



