244 FETCH : 



^cidium gynurae n. sp. 



On leaves and stems of Gynura lycopersicifolia DC. (low- 

 country form), Bentota, April, 1909; Galboda, December, 

 1911 ; Karawanella, December, 1911. 



Spots pale yellow. ^Ecidia clustered, chieflj' hypophyllous, 

 about 0-25 mm. diameter, pseudoperidium well developed, 

 white ; mass of spores pale yellow, .^cidiospores oval or 

 subglobosc, wall hyaline, minutely warted, contents pale 

 yellow, 14-18 x 12-14[x. Pseudoperidial cells polygonal, 

 tuberculate, 20-28 X 16-19iJ.. 



Maculis pallide flavis. ^Ecidiis confertis, ssepius hypo- 

 phyllis , circa • 25 mm . diametro , pseudoperidiis prominentibus , 

 albidis. .^cidiosporis ovaUbus vel subglobosis, episporio 

 hyalino. minute verrucoso, plasmate pallide flavo, 14-18 X 

 12-14;;. ; ceUuHs pseudoperidii polyhedricis, tuberculatis, 20- 

 28 X 16-19^. 



i^cidium rhytismoideum Berk. 



= Ji/cidium miliare B. & Br. = Mcidium rhytismoides 

 Racib. 



Originally described on leaves of Diospyros. Mcidimn 

 tailiare was first found on leaves of Diospyros ovalifolia Wight, 

 Damboul, March, 1868, and has been recorded by Sydow and 

 Butler on leaves of Diospyros tomentosa from Mysore. Fovmd 

 recently on leaves of Diospyros embryopteris Pers., Trinco- 

 malee, 8eptember, 1910, leg. E. E. Green, and D. ovalifolia, 

 Peradeniya, February, 1912. 



iEcidia hy|)oi)hyllous, 0-2-0 '5 mm. diameter ; disc orange- 

 red, pseudoperidium pinkish white, either scarcely elevated 

 or up to Oo mm. high; surrounded by a black rhytismoid 

 /one about O'l mm. wide; gregarious, in large numbers on 

 pale yellow-green areas, which become black and rhytismoid 

 when old. Upper surface of the leaf marked at first with 

 black Hhiuiiig dots, which look like thestromataof aP/z^/Z/ocAom, 

 afterwards with black continuous patches. Pseudoperidial 

 cells oblong, or elongated pentagonal, yellowish hyaline, 

 thickly covered with close-set, sinuous, coarse ridges, thick- 

 walled, 27-30 < 12-13[j.. i^cidiospores irregularly oval or 

 globose ; wall hyaline, sometimes thickened at the base ; 



