242 TMi<: .louiiN.vh of uoTvivr 



iiitus in locellos paucos v. numerosissimos j3artitis, multirostratis v. * 

 multiostiolatis ; sporis hyalinis, ellipsoideis, biguttulatis 6-7-2 ^ long., 

 2-2-8 ^ lat. 



Isolated in October 191o from Cox's Orange Pippin and later 

 from the Margil (Nov. 15, 1917) and Frogmore Prolific (Dec. 2J, 

 1917) varieties. 



The phiBOsporous Sphseropsidacea^ include two species. One of these, 

 an undoubted Coniofhi/rium, which exhibits cultural dimorphism*, 

 is identified as a variety of Coniothyriun cydoni(B. Tlie other, which 

 differs from a typical Goniotlujrium in possessing lobed p^^cnidia, is 

 named Coiiiothyrium convolutum. 



Coniothyrium cydoniae Brun. var. mali, no v. var. 



Hvphis in zonas brunneas dispositis v. albis ; p^'cnidiis sparsis, 

 circa 200 ^ d. ; sporis globosis v. oblongo-globosis, olivaceis, 5-G /x 

 long., 4-5 ju lat. 



Isolated from Cox's Orange Pippin Jan. 31st, 1918. 



Coniothyrium convolutum nov. sp. 



Hvphis fuligescentil)us ; pycnidiis solitariis, atris, subglobosis. ad 

 basim frequenter lobatis v. irregularibus, subimmersis, ostiolatis, 

 181-6-169-2 \i long., 75-2-112-8 \x lat. ; sporis ovoideis, aureis, fuli- 

 gescentibus, 4^ long., 1-8-2 /i lat., in cirros aureos v. brunneos 

 exsilientibus. 



Isolated from the variety Afriston on October 30th, 1917. 



Mel Axcojs iales. 

 Alternaria pomicola nov. sp. 

 Hyphis albis, nigrescentibus, septatis ; conidiis in conidiophoris 

 erectis ramulosis circa 96 ^ long., 2-4-3-2 /Lt lat. (ramis racemose 

 dispositis), et interdum in conceptaculis immersis olivaceo-fuligineis 

 circa g mm. long, dispositis, fuscis olivaceisve, sublageniformibus, 

 40-60 /A long., 10-14 /J lat., ad septa vix constrictis, 8-9 trans vers., 

 1 Ion git. pneditis. 



Isolated from Cox's Orange Pippin (Hailsham, 1915). 



Mycelia sterilia. 

 Sclerotium stellatum nov. sp. 

 Hyphis albis; tuberculis superficlalibus v. immersis, solitariis v. 

 aggregatis, atris intus hyalinis, subspha^roideis ovoideis v. irregularibus, 

 rectis vcl cnrvatis, 16-72 ^ d., 90-180 ^ long., 40-80 y. lat. 



Isolated from Cox's Orange Pippin (Hailsham, October 25th, 

 1915). Named from the appearance resembling a many-rayed dark 

 star which it presents when grown in potato agar plate cultures. 



The author is indebted to the botanical authorities of the British 

 Museum of Natural History for help in preparing the technical 

 descriptions. 



* See C. H. CrabiU in Amer. Jour. Bot. ii. (1915) p. 449. 



