CARPOMYCETEAE 347 



consisting of teliospores. (Sp. about 

 4,200.) 



Order UREDINALES. Rusts. Typically with sporidia, 

 pycniospores, aeciospores, uredinio- 

 spores and teliospores. 



Family 132. Aecidiaceae. Teliospores free or fas- 

 cicled. "Puccinia," Dicaeoma, Ni- 

 gredo, Uropyxis, Aecidium, Phrag- 

 midium, Uromyces. 



Family 133. Uredinaceae. Teliospores compacted 

 into a crust or column. "Melamp- 

 sora," Uredo, Cronartium. 



Family 134. Coleosporiaceae. Teliospores compacted 

 laterally into waxy layers. Coleo- 

 sporium. 



Order USTILAGINALES. Smuts. Typically with sporidia 

 and teliospores. 



Family 135. Ustilaginaceae. Germinating teliospore 

 producing a septated promycelium. 

 Ustilago, Sphacelotheca. 



Family 136. Tilletiaceae. Germinating teliospore pro- 

 ducing a tubular promycelium. 

 Tilletia, Entyloma. 



FUNGI IMPERFECTI. The "Imperfect Fungi." Including 

 16,000 to 17,000 species with regard 

 to which our knowledge is quite im- 

 perfect. Most of them are regarded as 

 conidial states of Ascosporeae. The 

 classification here given is merely 

 provisional. 



Order SPHAEROPSIDALES. Spot Fungi. Conidia developed 

 in pycnidia. 



Family 137. Sphaerioidaceae. Pycnidia more or less 

 spherical, black. Phyllosticta, Sphae- 

 ropsis, Septoria. 



Family 138. Nectrioidaceae. Pycnidia more or less 

 spherical, bright colored. Sphaero- 

 nemella, Aschersonia. 



Family 139. Leptostromataceae. Pycnidia shield- 

 shaped, black. Leptostroma, Lepto- 

 thyrium. 



