212 NOTES ON SOME KAKE SPECIES OF MYCETOZOA. 



have a capillitium intermediate between these two extremes, and 

 show a variation in this character, greater perhaps than in the 

 different varieties of P. nutans Pers. Tlie proof thus afforded of 

 the specific identity between P. nodiilosum and the Lyme Eegis 

 gathering first described in 1891 under the name of P. calidris 

 {I. c. 52) shows that the former name should take precedence. 



P. viREscENS var, f3. obscurum. a gatheriug of this marked 

 variety was obtained under a ckimp of hollies in Eppiug Forest, 

 near Loughton, on Nov. 3rd, 189G. It was on a holly-leaf, and is 

 similar to the specimen figured JJ. M. Cat. J\[)jc. PI. xx. b, except 

 that the sporangia are all subglobose and somewhat scattered, and 

 that the capillitium is less profuse. 



Chondrioderma roanense Eex. I have lately received two speci- 

 mens of this species from the United States of America. One is 

 from Dr. W. C. Sturgis, of New Haven, Conn., collected by him on 

 "hemlock bark " at Shelburne, N.H., in Sept. 1896. The other is 

 from Mr. F. L. Harvey, of Orono, Me., who found it in the neigh- 

 bourhood of that town in the autumn of 1896. He states (Bull. 

 Tone]) Bat. Chih, xx. No. 2, 67) that it was met with in some 

 abundance by Mr. Merrill at E. Auburn, Me. These repeated 

 gatherings confirm the integrity of the species. It is referred to 

 B. M. Cat. Myc. 84, under tbe account of C. radiatum as needing 

 further records to establish its specific distinction. The specimens 

 correspond exactly with Dr. Hex's type, except that the sporangia 

 are more globose, and tbe black stalks are longer. 



Diderma concinnum B. & C. Very little remains of the type- 

 specimen from S. Carolina, No. 3021 (Kew Collection, 1476), named 

 as above in Berkeley's handwriting, but there is sufficient to show 

 it is a fairly typical form of Clumdrioderma radiatum Rost. The 

 apparently sessile sporangia are of the usual size and colour, with 

 a sporangium-wall of typical character. The columella is hemi- 

 spherical or subglobose on a broad base. The capillitium consists 

 of violet-brown flexuose threads. The spores are violet-brown, 

 minutely spinulose, 8-9*5 /x diam. ; they have not attained their 

 full depth of colour, and adhere when making a glycerine-jelly 

 preparation in consequence of the growth not having been quite 

 mature. Rostafiuski gives Diderma cunviniium as a synonym for 

 Chondrioderma fiuriforme, from which it is distinguished by the 

 spores. A specimen from Maine (Kew Collection, 375), marked 

 Chondrioderma conciimuui, and quoted in Massee's Momu/raph, p. 308, 

 as " Phi/sarum concinnum,'" is a pale form of lladhamia lilacina with 

 characteristic capillitium and spores, and is referred to in B. M. 

 Cat. Myc. 35. I had inadvertently taken this specimen as a 

 type oi L>iderni a concimnuiiB. & C, and had neglected until after 

 the publication of my monograph to make a careful examination of 

 the original type of the latter. 



The name " Phijsarum concinnum B. & C." has been given by 

 Mr. Morgan, of Ohio, to a species of which I have received a 

 specimen. It is quite clistinct from either of the two specimens in 

 the Kew Collection referred to, and, judging from the small example 



