236 



Thielaviopsis sp, (Dematiaceae) . Eecorded oriijinally by Ban- 

 croft in the tissues of the stem. Later Eichards oonsiders that T. 

 ethacefica is the cause of "rusty and black ];atches (on tlie stem) 

 from which a brown liquid oozes." 



CoFFEA, spp. (Ruhiaceae). Coffee. 



Unfortunately the many diseases recorded for this plaiit in 

 Malay are generally mentioned as occurring only on " Coffee." In 

 only one or two cases has the sjiecies or variety of Coffea been 

 stated. Consequently it has only been possible to group the follow- 

 ing under the generic name. 



Ascospora sp. A stem disease of not very great im])ortance. 



Capnodhnn sp. (Capnodiaceap). A "sooty-mould" fungus 

 described by Belgrave as being found in association with scale in- 

 sects on the berries. It is considered harmless except so far as it 

 cuts off the light from the fruit. 



Ceplinlosporiuni s]). (Moniliaceae). Eecorded by Belgrave as- 

 being parasitic on tlie spots caused by the leaf fungus Ilemileia. 

 It appears as a fine glistening white web on the mature spots. 



CoUeotofriclinm sp. {Melaiiconiaceae) found by Belgrave on 

 stems. It causes black discoloured areas in which may Ijc seen 

 small knob like protuberances. 



Conioihijrium cojfeae (SpJiaerioidaceae). One of the fung-i 

 found l)y Belgrave as being responsible for the large, brown, ' scor- 

 ched ' areas on leaves. The fungus seems al)le to attack healthy 

 leaves. 



Coriuiuin saliiioiiicolor {Thelcphoraceac) . I'ink Disease. 

 Eecorded by Brooks. 



Dipjlodia sp. (Spliacnoidaceae). Found by Belgrave- on the 

 stem and occurring as large hairy pustules. 



Fusarium sp. (Tnberculariaccae) . Collected on dead berries. 

 Belgrave states that this fungus appears unable to infect healthy 

 fruits. 



Jlemileia vasiairix {I'redinaceae). A rust. The most widely 

 spread " leaf spot " disease. It first appears as small circular, 

 yellowish, translucent spots, and is rapidly followed by the produc- 

 tion on the underside of the leaves of the orange coloured powdery 

 spores. 



Hj/alopiis s\). (MoiiUiacear). V^'"it\\ Cephfdos pari urn am'teaving 

 as glistening patches on //e/;r?7(?iVz -spots. 



Ili/mevocliaete noxia {Th elephoraceae) . Eecorded l)y Bancroft 

 as causing brown root disease. 



Jrpex favuft {JTijdnaceae). Considered to cause a root disease. 

 A bright yellow fungus covered with " teeth." 



Necator discreiw^ (Tnherculariaceae) . Mentioned by Eidley 

 as causing a considera-ble amount of damage to the stem. It ap- 

 pears as "small white specks which sieem to develope into leprous 

 pink masses forming patches on the dying twigs." 



