CLASSIFICATION OF FUNGI 



55 



are spindle-shaped, curved, and several -celled when 

 matured. They are borne on the tips of the branched 

 conidiophores. The symptoms of the disease vary 

 with the different species. Among the most important 

 are Fusarium album, Sacc., of the cacao ; F. roseum, 

 Link., of the fig; F. lycopersici, Sacc., of the tomato 

 and egg-plant (see page 221); F. oxysporium, Schl, 



FIG. 33. Cross section through coffee leaf showing fruiting body of Cercospora co/eicola 

 and detached spores. (After Cook and Horne, Bui. 7 Estacion Central Agronomica 



de Cuba.} 



and F. solani, Mart. , of the potato ; F. udium, Butler, 

 of the pigeon pea ; and many others. 



Botrytis is another genus of this order which is both 

 parasitic and saprophytic. The most important species 

 are B. fascicularis, which attacks the egg plant ; B. 

 longibrachiata, Oud., on tobacco ; and^B. cinerea, Pers., 

 which is very widely distributed and attacks a very 

 large number of plants, and is frequently the cause of 

 considerable losses. 



