12 Mycetozoa of North America 



Genus 42. Arcyria Wiggers 



43. Lachnobolus Fries 



44. Perichaena Fries 



Family III. MARGARITACEAE. Capillitium consisting of 

 solid threads, either coiled and hair-like or nearly straight and 

 attached to the sporangial wall, simple or branching at acute 

 angles. 



Genus 45. Margarita Lister 



46. Dianema Rex 



47. Prototrichia Rost. 



