GRAPHIOLA PHCENICIS, POIT. 

 (Date Palm Disease.) 



The fungus was originally described on the date palm in 

 the East and is now known to occur on other palms in all 

 parts of the world. 



Small, raised, dark-coloured spots appear on both sides 

 of the leaves. The internal tissues of infected leaves are 

 frequently much damaged. 



Diagnosis : Outer peridium horny, black ; inner peridium 

 membranaceous, hyaline ; spore-mass yellow ; spores 

 globose or elliptical, 3-6 microns diam., with a thick epispore, 

 smooth, hyaline ; filaments 10-15 microns thick. 



Ann. Sci. Nat. Botanique, 1824, p. 473. 



HYMENOMYCETINE.E. 

 AGARICACE^:. 



SCHIZOPHYLLUM COMMUNE, FRIES. 

 (Sugar Cane Agaric). 



This fungus is said to be parasitic on stems of cultivated 

 sugar cane in the West Indies. It has also been recorded 

 as a parasite on the mulberry tree. 



Diagnosis. Pileus fan-shaped, very thin, white or grey, 

 downy, often lobed, 1-2 inches broad ; gills pale-brown with 

 a purple tinge, split portions of edge of gills revolute ; spores 

 dingy, 4-6 by 2-3 microns. 



MASSEE : Text-Book of Plant Dis. y p. 207. 



PRILLEUX AND DELACROIX : Bull du Min. de 

 No. 5, Sept., 1893. 



MARASMIUS SEMIUSTUS, BERK. AND CURT. 

 (Banana Disease.) 



Certain of the banana trees in Trinidad and other of the 

 West Indian Islands have been reported to be affected by 

 this fungus. The fungus permeates the tissues of the 

 banana " stem " and attacks the inflorescence as it is 



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