The Scottish Naturalist. 327 



MYCOLOGIA SCOTICA (Supplement). 



By Rev. J. STEVENSON and Prof. J. W. H. TRAIL. 



{Continued from S. N., 1886, p. 268.) 

 {All measurements, except where specified, are in thousandths of a millimetre.) 



3077. Phoma macrocapsa, sp.n., Trail — Perithecia sub- 

 dermal, circular, diameter 600-700, depressed, not ex- 

 ceeding 250 in height (exclusive of ostiolum about 

 100-150 long), dark brown, sporidia hyaline, oblong, 

 nearly straight, 4 by ij. 



On last year's stems of Mercurialis perennis. May. 



East, — — Dee — — — — 



West, — — — — 



Near Old Aberdeen— J. W. H. Trail. 



3078. Cytispora carphosperma, Fr. S.M. II., p. 545; 

 Sacc, Syll. F. III., p. 274. Spots blackish, subdermal, 

 circular • stroma waxy, dull grey, inclosing spaces usually 

 filled with grey contents ; perithecium central, ill -defined, 

 opening as a dark spot in centre of erumpent grey disk. 

 Sporidia oozing out in a long filament — at first yellow, 

 then becoming dull orange : sporidia nearly hyaline, 

 sausage-shaped, about 5-6 by 1. 



In bark of dead branch of Pear tree, spots numerous, 

 but not crowded. May. 

 East, — ■ — — Dee — — — 



West. — — — — 

 Old Aberdeen— J. W. H. Trail. 

 England, Europe. 



3079. Septoria Adoxse, Fckl. Symb. App. II., p. 21 ; Sacc. 

 Syll. Fung. III., p. 543- 



Perithecia scattered or subgregarious, sometimes on 

 withered spots, at length free, very black, bluntly conical, 

 situated on a flattened base, minute ; ostiolum blunt, per- 

 forated; sporidia cylindrical, mostly straight, 2-3-celled, 

 hyaline, 32-36x4. 



