MITRULA. 483 



Geoglossum viride, Pers., Comm., p. 40. 



Leptoglossum viride, Cke., Myc, fig. 14; Phil., Brit., Disc, 

 p. 32, pi. ii. fig. 8. 



On the ground in woods, among moss, decaying leaves, &c 



Specimen in Cke., Fung. Brit., ed. ii., n. 395, examined. 



Size variable, Thillips says "1-3 inches high ; about J of 

 an inch the broadest part." Cooke says the spores measure 

 30 X 10 /x, but there is probably some mistake. Readily 

 known by the dingy olive or verdigris-green of every part. 



Mitrula olivacea. Sacc, Syll., viii. n. 135. 



Gregarious or caespitose, 3-5 cm. high, dry, glabrous ; 

 club about half the entire length, compressed or grooved, 

 often twisted and irregular in form, up to f cm. thick, 

 smoky olive, brownish, or with a purplish tinge; stem sub- 

 cylindrical, usually paler than the club, base slightly 

 thickened and whitish ; asci clavate, apex narrowed, 8-spored; 

 spores hyaline, continuous, usually 4-guttulate, narrowly 

 elliptic-oblong, often slightly curved, 15-20 x 5-6 ^irregu- 

 larly 2-seriate at the upper part of the ascus, 1 -seriate below ; 

 paraphyses filiform, branched. 



Geoglossum olivaceum, Pers., Obs. Myc, i. p. 40, t. 5, f. 7. 



Geoglossum olivaceum, j3. purpureum, Berk., Outl., t. 22, 

 fig. 2. 



Leptoglossum olivaceum, Cooke, Mycogr., fig. 13 ; Phil., 

 Brit. Disc, p. 33. 



On the ground among short grass. 



Distinguished by the dark olive or purplish colour of the 

 club, which becomes blackish-green when old. The stem is 

 often yellowish-brown. 



Specimen in Cooke, Brit. Fung., n. 650, examined. 



Mitrula microspora. Mass. 



Leptoglossum microsporum. Sacc, Syll., viii. n, 157. 



Ascophore 3-6 cm. high, black, the upper ascigerous 

 portion slightly clavate, obtuse and distinct from the 

 cylindrical stem, more or less viscid when moist; stem 

 minutely squamulose under a lens, or smooth ; asci cylindric- 

 clavate, narrowed into a pedicel that is usually oblique at 

 the base, spores 8, irregularly biseriate, hyaline, indistinctly 

 5-7 septate, cylindrical, ends obtuse, straight or slightly 



2 I 2 



