36 Charles E. Bcss-cy 



Family 138. Nectrioidaceae. Pycnidia more or less spherical, 

 fleshy or waxy, bright colored ; spores hyaline. Zythia, Spliacr- 

 o)ie»iella, Aschersonia (Pf. I, !*'•', 382.) 



Family 139. Leptostromataceae. Pycnidia shield-shaped, cu- 

 ticular or carbonaceous, black. Lcplotliyriitni, Lcptostroina, Lcp- 

 tostroinclla. (Pf. I, 1*=^^=, 386.) 



Family 140. Excipulaceae. Pycnidia more or less dish- 

 shaped, round or elongated; cuticular or carbonaceous, black. 

 Excipula, Amcrosporium, Discella. (Pf. I, i*''\. 392.) 



Order Melanconiales. Conidia developed upon a stroma 

 which eventually breaks through the epidermis. 



Family 141. Melanconiaceae. Stroma sometimes feebly de- 

 veloped but more often firm and black. Glocosporiiini, Collcto- 

 trichitm, Melanconium, Corynciiin, Pcstalozaia, Cyliiidrosporiiim. 

 (Pf. I, i*^ 398.) 



Order Hyphomycetales. Conidia developed upon separate 

 conidiophores which do not form a stroma, but penetrate the 

 epidermis or the stomata singly or in clusters. 



Family 142. Mucedinaceae. Conidiophores hyaline, always 

 separate. Oospora^ Monilia, Oidiurn, Stcrigmatocystis, Ovnlaria, 

 Sporotrichiiini, Botrytis, VerticiUinm, Ramularia. (Pf. I, i*'% 

 416.) 



Family 143. Dematiaceae. Conidiophores dark or black, al- 

 ways separate. Torula, Trichosporium, Dcmatium, Fusiclad'min, 

 Cladosporhim, Hchninthosporiitm, Macrosporiuin, Ccrcospora, 

 (Pf. I, I**, 454.)^ 



Family 144. Stilbaceae. Conidiophores united into an erect 

 compound, spore-bearing body. Isaria, Graphium^ Stysanus. 

 (Pf. I, I**, 488.) 



Family 145. Tuberculariaceae. Conidiophores united into a 

 cushion-like spore-bearing body. Tuhcrculina, Fusarium, F.pi- 

 coccniii. (Pf. I, I**, 498.) 



Phylum VIII. BRYOPHYTA. The Mossworts. 



Chlorophyll-green plants exhibiting two generations in each 

 life cycle, viz., (i) the sexual (gametophyte), which bears the 



310 



