7(j A Monograph of the Myxogastres. 



ducing very much thinner branchlets, which are combined 

 amongst tliemselves at all points to form a rather loose net- 

 work, the, -pcrvplieral mesJies of the netwoQ'k formed of combined^ 

 arcuate threads, and slightly smaller than the rest, especially 

 towards the base of the cajnllitium ; spores 9 — 12 /x diameter, 

 pale violet, vcrrucidose. 



Stemonitis macrosperma, Racib., Myx. Crac, p. 8 ; Sacc, SylL, 

 vii„ 1, n. 1361. 



Var. ohovata. Racib., sporangia obovate, 0'5 — 0'75 mm. 

 broad. With the type. 



Var. oUonga. Racib., sporangia oblong, 0'75 — 1 mm. long, 

 0'3 — 0'5 mm. broad. With the type. 



Poland. 



Stemonitis Suksdorfii, Mass. 



Gregarious, stipitate, sporangia cylindrical, very obtuse at 

 both ends, wall iridescent, evanescent ; stem blackish-brown, 

 shiuing, about equal in length to sporangium, tapering upwards, 

 rather stout, becoming dilated at the base into a hypothallus ; 

 spores in the mass hlackish-'jiurple. Columella rather thick, 

 sub-equal, blackish, Visually becoming abruptly divided into 

 branches at some distance below the apex of the sporangium; 

 sometimes more or less flattened at the apex, and with a 

 tendency to become discoid ; capillitium exceedingly dense, dark, 

 main branches originating from the columella; stout, taper- 

 ing, branches arcuate, combined to form an irregular, small- 

 meshed network ; spores bright lilac, minutely loarted, 7 — 8 ju, 

 diameter. 



Goiiiatricha Sahsdorfii, Ellis and Evorh. 



On wood, bark, &c. United States. 



(Described from a portion of type specimen communicated 

 by Wingate.) 



From 5 — 6 mm. high. 



Stemonitis affinis, Mass. 



Sporangia cylindrical, obtuse, up to 2 mm, high ; stem^ from, 

 Us shortness scarcely distinct : columella reaching almost to apex 



