58 MYXOMYCETES. 







Sub-Genus 1. Schraderella. 



Thickenings combined into a net, equally broad throughout their 

 entire length, knots wanting ; receptacle usually strongly developed. 



69. Cribraria rufa. (Rot/i.) 



Sporangia turbinate, or pyriform, rufous, stipitate, with a purple- 

 brown erect stem ; receptacle usually strongly developed, funnel- 

 shaped, with a regularly eroded margin ; thick threads originating 

 from the ribs of the receptacle, wide, combined into a loose net ; 

 spores smooth, < 005- < 0065 mm. Rtfki. Mon., 232. 



On wood, &c. (Fig. 15.) 



Stemonitis nifa, Roth. Fl. Germ., 548 (1788). 

 Cribraria rufescens, Pers. Desp., t. i., f. 5 (1797). 

 Cribraria fulva, Schrad., t. i., f. 1 (1797). 



Cribraria intermedia, Schrad., t. i., f. 2 (1797) ; Berk. & Br. 

 Ann. N. Hist., No. 1601. 



Trichia rufescens, Poir. Ency., viii., No. 31 (1808). 

 Cribraria rufa, Rtfki. Mon., p. 232 (1875). 



Sub- Genus 2. Eucribraria. 



Thickenings combined into a net widened at the points of junction 

 into knots ; receptacle now and then entirely undeveloped. 



70. Cribraria aurantiaca. Schrad. 



Sporangia globose, more or less nodding, rufous or nut-brown 

 rufous, stipitate, stem bright nut-brown ; receptacle strongly de- 

 veloped, hemispherical, occupying more than one-third of the 

 lower part of the sporangium, with regular short sharp pointed 

 teeth above, from which immediately proceed the net-work; the 

 knots unusually very strongly developed, branching out and almost 

 all running into each other, or at least coming in contact with their 

 .ends, and forming one net, strongly serrated, and combined with 

 each other by thin threadlike fibres; mass of spores orange or brown- 

 yellow ; spores yellowish, smooth, -005-'0065 mm. diarn. Rtfki. 

 Mon., 233. 



On rotten wood, especially fir. (Fig. 21.) 



Cribraria aurantiaca, Schrad., t. i., f. 3-4 (1797); Fr. S. M., iii. 

 174; Cooke Hdbk., 1169 ; B. & Br. Ann. N. H. (1865), No. 1037. 



Cribraria vulgaris ft aurantiaca, Pers. Syn., 194 (1801). 



Trichia rufescens /3 aurantiaca, Poir. Ency. viii., 31. 



Cribraria aurantiaca y sulphurea, Wallr. Fl. Germ. (1833). 



Cribraria intermedia, Berk. Engl. Fl. v., p. 318 (1836) ; Cooke 

 Hdbk., No. 1166. 



Cribraria variabiUs, Ficinus Dresd. FL, 2C9 (1838). 



