66 A Monograph of the Myxogastres. 



Cribraria argillacea, Pers., Obs., i., p. 90 ; Rost., Mon., 239 ; 

 Cooke, Myx. Brit., 59; Sacc., Syll., 1418; Raunk., p. 51, 

 t. ii., f. 8. 



Exsicc. Cooke, Fung. Brit., ser. ii., 526. 



On wood. Britain (Smethwick, Brandon, Carlisle) ; Germany ; 

 Denmark ; France ; United States. 



Characterized by the sessile or subsessile sporangia, absence 

 of calyculus, and in the granular swellings of the thickened 

 portions of the capillitium not being confined to the nodes. 



(Rostafinski's Synonyms.) 



Stemonitis sphaerocarpa, Schr., Bot. Mag., xii. 20 (1790). 



Stemonitis argillacea, Pers., in Gmel., 1409 (1796). 



Cribraria argillacea, Pers., Obs., i. 90 (1796); B. and Br., 



Ann. Nat. Hist. (1865), no. 1036; Cooke, Hdbk., 1168; 



Fung. Eritt., ii. 526. 



Cribraria micropus, Schrad., t. ii., f. 1 2 (1797). 

 Trichia argillacea, Poir., Ency., viii., no. 32 (1808). 



* Network not thickened at the angles. 



Cribraria minutissinia, Sz. 



Sporangia globose, stipitate, calyculus absent, permanent ribs 

 thin, forming a more or less uniform reticulation ; angles not at 

 all, or very slightly enlarged, rarely enclosing a few granules ; 

 stem filiform, larger than sporangium, erect or curved above, 

 brownish; spores globose, almost colourless, minutely warted, 

 4 6 p. diameter. 



Cribraria minutissinia, Schweinitz, in Syn. Fung. Amer. Bor., 

 no. 2362; Rost, Mon., App., p. 31 (Excl. Syn. C. minima, 

 B. and C.) ; Sacc., Syll., 1405 (Excl. Syn. C. minima, B. 

 and C.). 



(Specimen in Hb. B. from Schweinitz.) 



On decaying pine wood. United States. 



Scattered, very minute, from '5 1 mm. high, recognized at 

 once by the absence of a calyculus and absence of enlarged, 



