trichia] trichiaceae 217 



(B.M. 2922); Italy (B.M. 1951); Portugal (B.M. 2923); Ceylon 

 (Peradeniya Herb.) ; Java (B.M. 2924) ; New Zealand (B.M. 2925) ; 

 Japan (B.M. 2926); Vancouver B.C. (B.M. 2927); Maplehurst, Ontario 

 (B.M. 2928) ; Washington State (B.M. 2929) ; Iowa (B.M. 836) ; 

 Colorado (B.M. 2930) ; South Carolina (K. 1053). 



11. T. Botrytis Pers. in Roeiner, N. Mag. Bot., i. 89 

 (1794). Plasmodium purple-brojg^^Total height 15 to 5 mm. 

 Sporangia stalked, pyriform or turbinate, simple or combined 

 in clusters, 0-6 to 08 mm. diam., yellowish-olive, red-brown, 

 purple, or nearly black, often marked with paler lines of 

 dehiscence ; sporangium- wall of two layers, the outer charged 

 with granular matter and continued into the stalk, the 

 inner membranous, enclosing the spores. Stalks cylindrical, 

 often combined in clusters of three to eight, furrowed, 

 red- or purple- brown, consisting within of a spongy tissue 

 enclosing refuse matter. Capillitium of cylindrical or 

 fusiform yellowish-brown elaters, 4 to 5 /a diam., sometimes 

 branched, gradually tapering to long slender points 

 which are smooth at the tips, marked with three to five 

 flattened or prominent lax and often rugged spiral bands, 

 with intervals of about 1 ,m. Spores ochraceous-yellow, 

 minutely spinulose, 9 to 11/x diam. — Macbr. N. Am. Slime- 

 Moulds, 216. Stemonitis Botrytis Pers. in Gmel. Syst. Nat., 

 1468 (1791). Trichia serotina Schrad. in Schrad. Journ. 

 Bot., v. 67 (1799). T. piriformis Fr. Syst. Myc, hi. 

 184 (1829) non Pers. T. Lorinzeriana Corda Icon., i. 23, 

 f. 228 D (1837). T. purpurascens Nyll. in Saellsk. Faun. Fl. 

 Fenn., iv. 126 (1859) ; Mass. Mon., 177. T. fragilis Rost. 

 Mon.. p. 246 (1875) ; Mass. I.e., 175. T. Carlyleana Mass. 

 in Journ. R. Micr. Soc, 1889, 329; Mass. Mon., 174. 

 S phaerocarpus fragilis Sow. Engl. Fung., t. 279 (1803). 



Var 1. — lateritia Lister : stalks clustered, red, 2 mm. or 

 more long ; elaters pale burnt-sienna colour, terminating in 

 a more or less abruptly tapering point 20 to 40 //. long, the 

 spirals continued almost to the extremity ; spores orange. — T. 

 lateritia Lev. in Ann. Sci. Nat., ser. 3, v. 167 (1846) ; Rost. 

 Mon., p. 250. T. Decaisneana de Bary in Rost. Mon., I.e. ; 

 Mass. Mon., 185. 



Var. 2. — munda Lister : elaters pale brown or yellowish- 

 brown, marked with close and regular spiral bands, with long 

 tapering points ; spores yellow or brownish-yellow. — See 

 Journ. Bot., xxxv. 216. 



Var. 3. — flavicoma Lister Mycetozoa, 172 (1894) : sporangia 

 minute, solitary, purplish-brown with yellow lines of 

 dehiscence ; elaters and spores bright yellow. 



PI. 163. — a. sporangia (England) ; b. elater, var. munda ; c. elater of typical 

 form ; d. spore ; e. sporangia, var. lateritia ; /. g. h. elaters of same ; i. spore ; j. k. 

 sporangia and elater of var. flavicoma. 



