40 



BRITISH MYCETOZOA. 



[Prototrichia. 



Fig. 43- 



Prototrichia flagellifera 



Rost. 



a. Group of sporangia. Mag- 

 nified 4 times. 



6. Capillitium attached above to 

 a fragment of the sporan- 

 gium-wall, and a spore. 

 Magnified 280 times. 



Genus 35. PROTOTRICHIA Rosta- 

 finski. — Sporangia globose. Capillitium 

 rising from the base of the sporangium in 

 stout strands marked with spiral thicken- 

 ings, branching at length into a pencil of 

 slender threads attached at the tips to the 

 upper parts of the sporangium-wall. 



1. P. flagellifera Rost. Sporangia 

 sessile, crowded or scattered, rarely stalked, 

 brown or pinkish -brown, shining. Capil- 

 litium pale olive or brown. Spores pale 

 pinkish-brown in mass, nearty smooth, 

 10 to 11 ^ diam. 



Hab. On dead sticks, etc. 



ORDER IV.— LYCOGALACE.E. 



Genus 36. LYCOGALA Micheli. — ^Ethalia subglobose, with a 

 cortex consisting of two or more closely _ 



combined layers, and provided with cell- 

 like vesicles. Capillitium tubes thick- 

 walled where they traverse the cortex ; 

 thin-walled amongst the spores. Spores 

 in mass pale pinkish-grey. 



1. L. flavo-fuscum Rost. — jEthalia 

 subpyriform, brown, smooth, minutely 

 areolate and mottled ; the cortex thick, 

 of three layers, the middle one consist- 

 ing of an aggregation of yellow vesicles. 

 Capillitium branching and anastomosing. 

 Spores minutely reticulate, 5 to 6 yu. diam. 



Hab. On dead wood. 



2. L. miniatum Pers. — jEthalia subglobose, crowded or scat- 

 tered, at first rose-red, maturing to pale yellowish-brown, minutely 

 warted ; cortex with the vesicles arranged superficially. Spores 

 minutely reticulate, 5 to 7 yu. diam. 



Hab. On dead wood. Common. 



Fig. 44. 

 Lycogala miniatum Pers. 



a. Three aethalia. Natural size. 



b. Capillitium. Magnified 150 



times. 



c. Spore. Magnified 600 times. 



