116 A Monograph of the Myxogastres. 



wall. The spores vary in markings from vague granulations 

 to well-defined warts. 



(Rostafinski's Synonyms.) 



(Perichaena corlicalis). 



Lycopcrdon corticale, Batsch. EL, p. 155 (1783). 

 Sphacrocarpus sessilis, Bull., t. 417, f. 5 (1791). 

 Trichia gymnosperma, Pers., Obs., vi., f. 1, 2 (1796). 

 Trichia circumscissa, Schrad., p. 19 (1797). 

 Licea circumscissa, Pers., Syn., 196 (1801). 

 Physarum luteo-album, Schum., Saell., 1430 (1803). 

 Tulmlina circumscissa, Poir., Ency., viii., 5 (1808). 

 Perichaena populina, Fr., Gast., 12 (1817); Grev., t. 252; 



Erig. Fl., v., 321 ; Cooke, Hdbk., No. 1192. 

 Pcrichaena populina, )3 sorbea, Weinm. in Fr. S. M., iii., 192 



(1829). 



Pcrichaena quercina, Fries, Gast., p. 12 (1817). 

 Trichia varia subrufescens, Bong. Herb. 

 Licea quercina, Walk. Fl. Cry., 2103 (1833). 

 Licea artocreas, B. and Rav., Fungi Car., ii., 82. 

 Pcrichaena artocrcas, B. and Rav., Grev., No. 370 (1873). 



(Pcrichaena fusco-atra.) 



Mucor lycoperdioides, Scop. Ann., iv., t. 1, f. 11 (1772). 

 Trichia fusco-atra, Sibth. Fl. Ox., 1152 (1794). 

 SpJuterocarjms scssitis, Sow., t. 258 (1803). 

 Licea circumscissa, ft abictina, A. and S., p. 108 (1805). 

 Perichaena abietina, Fr., Gast., p. 17 (1817) ; Eng. Fl., v., 321 ; 



Cooke, Hdbk., No. 1191. 

 Perichaena microcarpa, Sauter. Rabh. DC. Fl., No. 2180 



(1844). 



Perichaena applanata, Mass. 



Sessile, adnate on a broad base, much depressed, circular in 

 outline or aethalioid and irregular, dehiscing in an irregularly 

 circumscissile manner, wall with a dense layer of granules 

 of lime on its inner surface, bright Uuc-grcy ; mass of capillitium 



