48 MYXOMYCETES. 



Clathms nudus, Fl. Dan., t. 758 (1782). 



Clathrus pertusus, Batsch., f. 176 (1783). 



Stemonitis typhina, Roth. Fl. Germ., i , 547 (1788) ; Pers. Obs., 

 i. 57. 

 ' Stemonitis filitina, Schrk. Fl. Bav., 1782 (1789). 



Trichia typhoides, Bull., t. 477, f. 2 (1791). 



Stemonitis typhoides, DC., Fl. Fr., ii., 257 (1805) ; Cooke 

 Hdbk., No. 1157. 



Stemonitis bicolor, Fries, herb. 



Stemonitis leucopoda, Fr. Gast. 16 (1817). 



Stemonitis pumila, Corda Ic., v., 37 (1842). 



55. Comatxicha Fxiesiana. DBy. 



Sporangia either globose, or ovate, or ellipsoid, erect, J-lJmm. 

 high ; stem subulate, black, shining, ] ^-3 mm. long, now and then 

 even to 6 mm., penetrating within the sporangium as a columella ; 

 columella reaching from half to three-quarters the height of the 

 sporangium, then spreading out in numerous threads ; capillitmm 

 of arcuate flexuous threads, combined into a net, not extending 

 anywhere as far as the margin of the sporangium in free ends, 

 almost equally thick throughout the entire length ; spores violet- 

 brown, with a thick but smooth membrane, -0083--01 mm. diam. 

 Rtfki. Mon, 199. 



var. a. obovata. 

 var. /3. oblonga. 



On rotten wood. (Figs. 51, 56.) 



Mucor embolus, Linn. Sp., 1185 (1753). 



Lycogala, Hall, 2146 ? (1768). 



Stemonitis reticulata, Trent, p. 223 ? (1797). 



Stemonitis nigra, Pers. Gmel. Sys., 1467 (1791). 



Stemonitis atrofusca, Pers. Disp., 11 (1797). 



Stemonitis atrofusca, /3 nigra, Pers. Disp., 54 (1797). 



Stemonitis ovata, Pers. Syn., 189 (1801); Berk. Eng. Fl. v., p. 

 317; Cooke Hdbk., No. 1158. 



Tricliia mucoriformis, Schum. Saell., 1469 (1803). 



Stemonitis violacea, Schum. Saell., 1491 (1803). 



Stemonitis nigra, Schum. Saell., 1493 (1803). 



Stemonitis globosa, Schum. Saell., 1494 (1803). 



Trichia alba, Sow., t. 259 (1818). 



Stemonitis obtiisata, Fr. Sym. Gast., 17 (1818) ; Eng. Fl., v., p. 

 317; Cooke Hdbk., No. 1159. 



Comatriclia obtusata, Preuss. Sturm. (1851). 



Comatricha alba, Preuss. in Sturm (1851). 



Stemonitis Friesiana, DBary (1870) ; Rabh. Fung. Eur., No. 

 568. 



