HEMITRICHIA] TRICHrACEAE 223 



broad, glossy or shining, dark red, red-brown,, or olive-black ; 

 sporangium-wall of two layers, the outer continued into the 

 stalk, the inner enclosing the spores, orange-red. Stalks 

 membranous, 0*2 to 1 mm. high, usually combined in clusters 

 of from six to twelve, furrowed and rugose, red, not enclosing 

 spore-like cells. Capillitium red or orange-red in. mass, con- 

 sisting of twisting, sparingly branched, orange-red threads 

 5 to 6 fji diam., with few pointed free ends, marked with three to 

 five regular spiral bands, and studded with numerous scattered 

 spines 2 to 5 ^ long, rarely nearly smooth. Spores pale orange- 

 red, w T arted, 10 to 11 /a diam. — Lycoperdon Vesparium Batsch 

 Elench. Fung., 253, fig. 172 (1786). Stemonitis cinnabarina 

 Roth Fl. Germ., 547 (1788) ? Trichia pyriformis Hoffm. 

 Veg. Crypt., ii. 1, t. 1, fig. 1 (1790). T. rubiformis Pers. in 

 Roemer N. Mag. Bot., i. 89 (1794) ; Fr. Syst. Myc, hi. 183. 

 T. chabybea Chev. Fl. Paris, i. 323 (1826). T. Neesiana Corda 

 Icon., i. 23 (1837). T. Ayresii Berk, and Br. in Ann. Mag. 

 Nat. Hist., ser. 2. v. 367 (1850). Craterium floriforme Schw. 

 in Trans. Amer. Phil. Soc, n.s. iv. 258 (1832)? C. porphyrium 

 Schw. I.e. ? Hemiarcyria rubiformis Rost. Mon.,p. 262 (1875). 

 Arcyria rubiformis Mass. Mon., 158 (1892). Hemitrichia rubi- 

 formis Lister Mycetozoa, 175 (1894). 



PL 166. — a. cluster of sporangia ; b. capillitium and spores with fragment of 

 sporangium- wall ; c. capillitium and spore : (England). 



Sporangia are occasionally found with a few free elaters pointed 

 at each end in addition to the continuous network of threads of the 

 usual type. 



Hab. On dead wood : not unfrequent. — Orton, Leicestershire 

 (B.M. 335) ; Rudloe, Wilts (B.M. 340) ; Batheaston, Somerset (B.M. 

 341) ; Lyme Regis, Dorset (B.M. 2970) ; Wanstead, Essex (B.M. 

 1481) ; Hampstead, London (B.M. 1123) ; Sutton Coldfield, Warwick 

 (B.M. 1480) ; Alnwick, Northumberland (B.M. 2971) ; France (K. 

 123); Germany (B.M. 791); Sweden (B.M. 2972); Finland (B.M. 

 788) ; Italy (B.M. 789) ; Switzerland (B.M. 2973) ; Austria (B.M. 

 1835) ; Portugal (B.M. 2974) ; Madagascar (B.M. 2976) ; Ceylon 

 (B.M. 2975) ; Java (Herb. Massee) ; Kansas (B.M. 2977) ; Texas 

 (B.M. 956) ; Iowa (B.M. 830) ; Philadelphia (B.M. 1808) ; Maine 

 (B.M. 1624); South Carolina (B.M. 761); Antigua (B.M. 1682). 



2. H. intorta Lister Mycetozoa, 176(1894). Plasmodium 

 watery- white. Total height 1 to 1-5 mm. Sporangia stalked, 

 gregarious or scattered, turbinate, 0*3 to - 7 mm. diam., 

 shining, orange-yellow ; sporangium-wall membranous above, 

 thickened with granular deposits towards the base, papillose 

 on the inner side. Stalk thickened above and below, with 

 two to four broad longitudinal furrows, 0*5 to 0*7 mm. long, 

 0-15 mm. thick in the middle, glossy, purplish-brown, solid, 

 not filled with spore-like cells. Capillitium a twisted tangle 

 of sparingly branched orange-yellow threads, 4 /a diam., 



