132 A Monograph of the Myxogastres. 



Var. scabra, Schroeter, Kr. FL Schles. (Pilze), p. 109. Threads 

 of capillitium with rigid spines, 1 2 /x long. 



Silesia. . 



Va/r.spinosa, Schroeter, Kr. Fl. Schles. (Pilze), p. 109. Threads 

 of capillitium with scattered acute spines, 5 6 /x long. 



Silesia. 



Ophiotheca Wrightii, Berk, and Rav. (fig. 197). 



Sporangia circular, much depressed, dehiscing in a circum- 

 scissile manner, or becoming aethalioid and irregularly vein- 

 like; wall bright or blackish-brown, smooth, with granules of 

 lime inside ; mass of capillitium and spores Iriyht, deep yellow, 

 sometimes with a flesh-coloured tinge; capillitium well de- 

 veloped, forming a loose, irregular network, the threads are 

 densely and very minutely verruculosc, and in addition are 

 furnished with numerous straight or flcmious sharp-pointed 

 spines, 2 4- ju. long ; spores globose, minutely warted, 10 14 u 

 diameter. 



Ophiotheca Wrightii, Berk, and Curt., Linn. Journ., vol. x., 

 p. 349. 



Cornuvia Wrightii, Host., Mon. App., p. 36 ; Sacc., Syll., vii.,' 

 1, n. 1454. 



Exsicc. Fung. Cub. Wrightiani, 540. 



(Type in Herb. Berk., Kew, n. 10888.) 



On wood. Cuba ; Ceylon. 



Very closely allied to 0. circumscissa, more especially the 

 Var. spinosa, but distinguished by the warted spores. 



Ophiotheca irregularis, Mass. 



Sporangia spherical, much depressed, rather convex above, 

 usually gregarious, dehiscing in an irregularly circumscissile 

 manner, wall bright-brown, containing lime inside; mass of 

 capillitium and spores bright yellow ; capillitium well-developed, 

 forming a loose net, threads 3 4 /A diameter, equally covered 

 with distinct slender spines '5 1 /u long ; spores globose, minutely 

 verruculose, 9 11 jx diameter. 



