33° The Scottish Naturalist. 



On leaves of Hedera Helix. 

 East, — — — Tay — — — — 

 West, — — — — 



" Den of Airlie," Grevillea, 1884, p. 124. 

 Europe. 



3087. Libertella betulina, Desm., Sacc. Syll. p. 745. 

 Naemaspora aurea Fr. Syst Myc. III., p. 478. Pustules 

 expanded, celluloso-gyrose, golden-yellow ; conidia nearly 

 straight, fusiform, golden-yellow, sharp at both ends, a 

 little shorter than in Libertella faginea. 



In bark of dry branches of Betula alba. 

 East, — — — Tay — — — — 

 West, — — — — 



"Glamis," Grevillea, 1886, p. 126. 

 Europe, North America. 



3088. Didymosporium profusum (Grev.) Fr., Sacc. Syll. 

 Fung. III., 763. Stilbospora profusa, Grev. Scot. Crypt. 

 Flora, t. 212, f. 1. 



" Pustules gregarious, or collected in little groups, 

 diam, 400-700, erumpent, conical, bursting in the centre ; 

 conidia small, ovoid-oblong, uniseptate, at first hyaline, 

 then olivaceous, at length dark fuscous, somewhat con- 

 stricted, rounded at each end, or more tapering below ; 

 20-25 by 9-10." Grove, in Scot. Nat., 1886, p. 332. 



In bark of Beech and Sycamore (Acer Pseudo- 

 pl at anus). 



East, — Forth — — — — — — 



West, _____ 



Edinburgh (Greville). 

 England, Sweden. 



3089. Stilbospora macrosperma, Pers., Syn., p. 96. 

 Sacc. Syll. Fung. III., 772. 



Pustules subdermal, black, then prominent and erum- 

 pent ; conidia oblong-ellipsoid, 4-septate, scarcely con- 

 stricted, pale sooty brown. 

 On branches of Oaks. 

 East, — — — — — — — — 



West, — — Argyle — 



