48 NEW YORK STATK MUSEUM 



Unlike most species of Ramularia, this has no discolored spots 

 on the leaves of the host plant. 



Caespites areas indefinitas albidas oljscuras in superficiei foli- 

 orum inieriore formantes, macula nulla discolorata, fungoque 

 oculo inermi vix visible ; hyphae minutissimae dense confertae 

 circiter 20 fi longae; sporae oblongae vel cylindraceae, continueae, 

 hyalinae utrinque, subacutae, 12-20x3-4 fi. 



Septoria polemonioides 



Spots suborbicular, brown or brown with a whitish center, 

 ])erithecia ejMphyllous, black; spores slender, straight or curved, 

 pointed at each end, continuous, hyaline, 30-60 x 1-1.5 fi. 



Living or languishing leaves of some species of Polemonum. 

 Utah. A. O. Garrett. 



This species differs from Septoria polemonii Thuem, 

 in its longer continuous and sharp pointed spores and in the 

 color of the spots. 



Maculae suborbiculares, brunneae, interdum centro albidae ; 

 perithecia epiphylla, atra ; sporae graciles, rectae vel curvae, 

 utrinque acutae, continuae, hyalinae, 30-60 x 11.5 /i. 



Sphaerella saccharoides 



Spots definite, oblong, .5-1 cm long, brownish on the margin; 

 perithecia epiphyllous, minute, black ; asci subcylindric, 70-80 x 

 12-14 m; spores biseriate, oblong or subfusiform, constricted at 

 the septum, each cell binucleate, hyaline, 25-30 x 5-6 /x. 



Leaves of sugar cane, Saccharum officinarum L. 

 Cuba. T. I{. Thurston. Communicated by L. R. Hesler. 



This species appears to be closely related to Sphaerella 

 s a c c h a r i Speg. from which according to the description it 

 differs in its definite whitish spots, in the longer asci and spores 

 and in the latter being quadri-nucleate. 



Maculae definitae, oblongae, .5-1 cm longae, margine brunes- 

 cetes; perithecia epiphyllae, minutae, nigrae; asci subcylin- 

 dracei, 70-80x12-14 ix; sporae in asco biseriatae, oblongae vel 

 subfusiformes, ad septum constrictae, quadri-nucleatae, hyalinae, 



25-30 X 5-6 fl. 



Sporotrichum atropurpureum 

 Hyphae widely effused, forming a soft tomentose covering on 

 the matrix, at first white, gradually becoming red, dark purple or 

 violaceous, sparsely and irregularly branched, septate, often 



