158 Cincinnati Society of Natural History. 



FAMILY 12. LICEACEAE. 

 Genus 23, Lieea; 24, Tubulina ; 25, Lindbladia. 



FAMILY 13. CLATHROPTYCHIACEAE. 

 Genus 26, Clathroptychium ; 27, Enteridium. 



ORDER V. HETERODERMEAE, 



FAMILY 14. CRIBRARIACEAE. 

 Genus 28, Dictydium ; 29, Heterodietyon ; 30, Cribraria. 



§2. TRICHOPHORAE. 

 Sporangia always furnished with a capillitium. 



ORDER VL COLUMELLIFERAE* 



FAMILY 15. RETICULARIACEAE. 

 Genus 31, Siphoptychium ; 32, Reticularia. 



ORDER VIL CALONEMEAE. 



FAMILY 16. PERICHAENACEAE. 

 Genus 33, Perichaena. 



FAMILY 17, ARCYRIACEAE. 

 Genus 34, Cornuvia ; 35, Areyria; 36, Laehnobolus ; 37, 

 Dermodium ; 38, Lyeogala ; 39, Oligonema. 



FAMILY 18. TRICHIACEAE. 

 Genus 40, Prototrichia ; 41, Trichia ; 42, Hemiarcyria. 



A monograph of the Myxogastres was published in 1892, 

 by George Massee, of the Royal Herbarium, at Kew, England. 

 It is elegantly illustrated by many plates with colored figures. 



The orders and sub-orders of Massee's system are as 

 follows : 



ORDER L PERITRICHEAE* 



SUB-ORDER 1. TUBULINAE. 

 SUB-ORDER 2. CRIBRARIAE. 



12 



