658 



THE FUNGI WHICH CAUSE PLANT DISEASE 



Exposorium Link (p. 657) 



Sporodochia convex, compact; conidiophores dark, simple, 

 densely compacted; conidia single, oblong _to cylindric, pliu:isep- 

 tate. 



Some twenty-five species. 



In part=Coleroa and Coryneum. See pp. 227, 236. 



E. juniperinum (E.) Jacz. = Coryneum juniperinum. See p. 236. 



E. laricinum Mas. is fomid on living larch twigs. 



E. tiliae Lk. grows on young shoots of Tilia. 



E. palmivorum Sacc.*'' 



Fig. 446. — E. palmivorum. 3, a sporodochium, 

 5, spores. After Trelease. 



Spots amphigenous, minute, suborbicular, 1-3 mm. in diameter, 

 brown, scattered; sporodochia superficial, densely gregarious, 

 punctiform, black; 30 x 60-80 ii; conidiophores oblong, con- 

 tinuous, reddish olive, 5-6 x 14^16 /*, conidia borne singly, 

 f usoid, straight or curved, apically obtuse or acute, basally obtuse, 

 8 to 10-septate, not constricted, olive-brown, ends paler, 8-9 x 

 80-90 At. 



On palms, especially species of Phoenix in America. 



E. presii Bub. on species of Phoenix in Europe is very similar 

 to the preceding species. 



In the Tuberculariacese-Dematiese-Dictyosporae Thyrococcum 

 sirakoffi Bubak forms black tubercles rnxder bark of mulberry 

 and kills the twigs."* 



