teichia] trichiaceae 213 



Hab. On dead wood. Common. — Batheaston, Somerset (B.M. 

 361); Lvme Regis, Dorset (B.M. 1466); Wilts (B.M. 1465); Hamp- 

 stead (B*.M. 1122); Brandon, Suffolk (B.M. 1121); Cheshire (B.M. 

 1117) ; Northumberland (B.M. 2894) ; France (B.M. 2895) ; Germany 

 (B.M. 2271); Switzerland (B.M. 1141); Finland (K. 1124); Italy 

 (K. 1148); Bohemia (B.M. 2893); Portugal (B.M. 2896); Ceylon 

 (Peradeniva Herb.); Banff, Canada (B.M. 2897); Washington 

 State (B.M. 2898) ; Iowa (B.M. 1466b) ; Philadelphia (B.M. 1889) ; 

 Colorado (B.M. 2899) ; South Carolina (B.M. 800). 



7. T. contorta Rost. Mon., p. 259 (1875). Plasmodium 

 watery- white. Sporangia crowded or scattered, subglobose, 

 0-5 to 0-8 mm. diam., sessile, often forming elongated curved 

 plasmodiocarps, rarely provided with a very short black 

 stalk, dull yellow-brown or dark red-brown ; sporangium- 

 wall membranous or cartilaginous, yellow, or reddish-brown, 

 charged with brown granular matter, rarely with deposits of 

 angular crystals of lime, when the sporangia are grey. 

 Capillitium of cylindrical simple or branched elaters, with 

 four or five often indistinct or rugged spiral bands, 

 3 to 5 jj. diam., the tips usually swollen and ending 

 in a curved point, yellow or yellow- brown. Spores 

 yellow, minutely spinulose, 10 to 14 //. diam. — Mass. Mon., 

 182 ; Macbr. N. Am. Slime-Moulds, 210. Lycogala contortum 

 Ditm. in Sturm Deutsch. FL, Pilze, 8, tab. 5 (1813). Peri- 

 chaena contorta Fr. Syst. Myc, iii. 192 (1829). Licea contorta 

 Wallr. Fl. Crypt. Germ., ii. 345 (1833). Trichia reniformis Peck 

 in Rep. N. York Mus., xxvi. 76 (1874). T. heterotrichia Balf. 

 in Grev., x. 117 (1881). T. iowensis Macbr. in Bull. Nat. 

 Hist. Iowa, ii. 133 (1892). N. Am. Slime-Moulds, 211. T. 

 pachyderma Cel. fil. Myx. Bohm., 38 (1893). T. intermedia 

 Cel. fil. I.e. T. ovalispora Hollos in Math. Nat. Wiss. Ber. 

 Ung., xx. 324 (1905) ? Oligonema fulvum Pav. & Lag. in 

 Bull. Soc. Myc, Fr., xix. 99 (1903) {non Morgan). 



Var. 1. — inconspicua Lister : elaters regular, cylindrical, 

 often swollen behind the gradually tapering pointed ends ; 

 spiral bands distinct, close and regular. — T. inconspicua Rost. 

 Mon., p. 259 (1875) ; Mass. Mon., 180 ; Macbr. X. Am. Slime- 

 Moulds, 210. T. advenulaM&ss. in Journ. R. Micr. Soc, 1889, 

 336 ; Mass. Mon., 181. T. Andersoni Rex in Proc Acad. Nat. 

 Sci. Phil., 1891, 395. T. Bostafinskii Cel. fil. I.e., 37. 



Var. 2. — alpinaR. E. Fries in Arkivfor Bot., vi. no. 7, p. 5 

 (1906) : sporangia globose or forming elongated and curved 

 plasmodiocarps, brownish-purple or black ; sporangium-wall 

 cartilaginous, red- or olive-brown ; elaters yellow, with regular 

 or rugged and sometimes spinose spiral bands ; spores yellow, 

 minutely spinulose, 13 to 20 /x diam. — Lister in Journ. Bot.. 

 xlvi. 219. 



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