472 FUNGUS-FLOKA. 



Specimen determined by Berkeley accepted as typical. 

 Forma Stevensoni, B. & Br., Ann. Nat. Hist., n. 1827. 

 Short, densely caespitose ; pileus and stem green. 

 On damp ground in woods. 



Leotia acicularis. Pers., Obs., ii. p. 20, t. 5, fig. I 

 Phil., Brit. Disc., p. 25. 



Gregarious or scattered, entirely white, rarely pallid or 

 tinged rufescent, dry; pileus at first plane and slightly 

 umbilicate, then convex, margin drooping, sometimes wavy, 

 granular beneath, sometimes cup-shaped ; stem 12 cm. 

 high, slender, simple or branched, often crooked, becoming 

 discoloured ; asci clavate, apex narrowed, 8-spored ; spores 

 irregularly 2-seriate above, 1-seriate below, elliptical, ends 

 acute, 2-guttulate then 1 -septate, hyaline, 18-22 X 45 p.; 

 paraphyses very slender, not thickened at the tips. 



Helvella agariciformis, Bolton, Fung., t. 98, fig. 1 ; Sow., 

 Engl. Fung., t. 57. 



Leotia Queletii, Cke., Mycogr., fig. 369. 



Cudoniella Queletii, Sacc., SylL, viii. n. 133. 



On decaying stumps among moss. 



Resembling a long-stemmed Helotium in general appear- 

 ance ; pileus fragile, 



Specimen in Cooke, Fung. Brit., n. 400, examined. 



CUDONIA. Fries. 



Ascophore etipitate, fleshy, convex and peltate, concave 

 below, margin thick and incurved, solid; stem elongated, 

 stout ; excipulum dense, formed of branched, interwoven 

 hyphae which form a loose, spongy tissue below ; asci 

 clavate, apex narrowed, 8-spored ; spores hyaline, arranged 

 in a parallel fascicle in the ascus, linear-clavate, for a long 

 time multiguttulate, then multiseptate ; paraphyses very 

 slender, branched. 



Cudonia, Fries, Summa Veg. Scand., p. 348. 



Resembling the species of Leotia in form, but distinguished 

 by the elongated, filiform spores, arranged in a parallel 

 fascicle in the ascus. Saccardo Syll. Fung., viii. p. 50 

 defines the present genus as having continuous spores, but 





