LIST OF THE GENERA OF THE MYCETOZOA. 23 
or warts (scanty and often reduced to free threads in Perichcena 
corticalis). (P. 182.) 
Genus 37. Arcyria Hill. (P. 183.) 
38. Lachnoholus Fries. (P. 194.) 
39. Perichcena Fries. (P. 195.) 
Order III. — Margaritace^. Oapillitium not consisting of 
fx'ee elaters, nor combined into an elastic network. (P. 202.) 
Genus 40. Margarita Lister. (P. 202.) 
41. Dianevia Rex. (P. 204.) 
42. Prototrichia Rost. (P. 206.) 
Order IV. — Lycogalace^. Sporangia forming an sethalium, 
capillitium consisting of smooth or wrinkled branching colourless 
tubes. (P. 207.) 
Genus 43. Lycogala Mich. (P. 207.) 
