348 THE PLANT PHYLA 



Family 140. Excipulaceae. Pycnidia more or less 

 disk-shaped, round or elongated, 

 black. — Excipula, Discella. 

 Order Mblanconiales. Black-dot Fungi. Conidia de- 

 veloped on a stroma. 



Family 141. Melanconiaceae. Including Gloeospor- 

 ium, CoUetotrichum, Melanconium, 

 Pestalozzia, Cylindrosporium, etc. 

 Order Moniliales. Molds. Conidia developed upon 

 separate conidiophores which do not 

 form a stroma. 



Family 142. Mucedinaceae. Conidiophores separate, 

 hyaline. — Oospora, Monilia, Oidium, 

 Sterigmatocystis, Botrytis, Ramu- 

 laria. 



Family 143. Dematiaceae. Conidiophores separate, 

 dark or black. — Torula, Dematium, 

 Fusicladium, Cladosporium, Macro- 

 sporium, Cercospora. 



Family 144. Stilbaceae. Conidiophores imited into an 

 erect, compound, spore-bearing body. 

 — Stysanus, Isaria, Graphium. 



Family 145. Tuberculariaceae. Conidiophores united 

 into a compound, cushion-like, spore- 

 bearing body. — Tuberculina, Fusar- 

 ium, Epicoccum. 



Phylum VIIL BRYOPHYTA. The Mossworts 



Chlorophyll-green, small, massive, ■ sexual plants (gameto- 



phytes), producing a small, spore-bearing generation 



(sporophyte) 



Class 18. HEPATICAE. Liverworts. Gametophytes mostly 

 bilateral, often thalloid, creeping; 

 sporophytes usually splitting and 

 containing elaters. (Sp. about 4,000.) 

 Order Ricciales. The Riccias. Sporophyte globose, 

 sessile, without columella or elaters. 

 Family 1. Ricciaceae. Small thallose plants, float- 

 ing or terrestrial. — Riccia. 



