ASCOMYCETES 373 



the truncate apex, 130-200X7-10 //.; spores filiform, 

 hyaline, very delicately multiseptate, 130-150 X i-i'5 p. 



Nectria, Fries. Perithecia distinct, caespitose, or scat- 

 tered, sometimes seated on a fleshy stroma that has pre- 

 viously borne conidia ; ostiolum usually papillate, fleshy, or 

 submembranaceous, soft, glabrous, downy, squamulose, or 

 byssoid, brightly coloured, usually red or orange; asci 

 cylindric-clavate, 8-spored; spores elongated, hyaline, 

 i -septate; paraphyses absent or indistinct. 



Nectria cinnabarina, Fr. Perithecia caespitose, crowded 

 on a pulvinate hemispherical, fleshy pink stroma, which at 

 first bears minute, hyaline conidia, 6-8 X 1*5-2 p(=Tuber- 

 cularia vulgaris) ; perithecia spherical, corrugated, cinnabar, 

 then reddish-brown, mouth papillate; asci cylindric-sub- 

 clavate, apex slightly narrowed, 8-spored, 60-90x8-12 //,; 

 spores i-2-seriate, oblong, ends obtuse, straight or slightly 

 curved, hyaline, i-septate, 14-16x5-7 p. 



Nectria ditissima, Tul., Carp., iii. p. 73, tab. 13, f. 1-4. 

 Perithecia usually broadly effused in very dense clusters, 

 globose, obtuse, then papillate, polished, bright blood-red ; 

 asci cylindric-clavate, 82x8 /x, 8-spored ; spores ovate- 

 oblong, i-septate, hyaline, 14x5-6 //. 



Conidial form, Tubercularia crassostipitata, Fckl., 

 conidia ovate-oblong, continuous, 6-8 x 3-4 p. 



Nectria cucurbitula, Fries, Summ. Veg. Scand., 388. 

 Perithecia usually in numerous scattered, very dense 

 clusters, globose, polished, vermilion, shortly and obtusely 

 papillate, not collapsing ; asci cylindrical, slightly con- 

 stricted below the apex, shortly stipitate, 8-spored, 100- 

 110X9-10 /*; spores i-seriate, oblong-biconoid, i-septate, 

 constricted at the septum, hyaline, 14-18x6-7 //. 



