298 FUNGUS-FLORA. 



* Spores septate. 



Tapesia fusca. Pokl., Symb. Myc, p. 302; Phil., 

 Brit. Disc, p. 282; Saoc, Syll., viii. n. 1541. 



Subiculum dense and spoBgy, dark brown, formed of inter- 

 woven, branched, septate, rather thick- Walled hyphae 5-6 /x 

 thick, sometimes scanty or almost obsolete ; ascophores gre- 

 garious, at first globose and closed, then becoming plane with 

 a persistently upraised, often wavy margin, about 1 mm. 

 across ; disc plane, whitish or with a more or less decided 

 tinge of honey-colour, externally glabrous, grey or brownish ; 

 excipulum parenchymatous, cortical cells irregjilarly poly- 

 gonal, 7-10 fi across, brown, running out at the margin into 

 obtuse, rounded tips ; asci-cylindric-clavate, 8-spored, spores 

 irregularly 2-seriate, hyaline smooth, narrowly elliptic-fusi- 

 form, usually very slightly curved, for a long time continuous, 

 then sometimes becoming 1-septate, 10-15 x 2-5-3 ix; para- 

 physes rather stout, becoming gradually clavate upwards, 

 hyaline. 



Peziza fusca, Pers., Obs., i. p. 29. 



Tapesia Johnstoni, Phil., Brit. Disc, p. 282 ; Sacc, Syll., 

 viii. n. 1570. 



Peziza Johnstoni, Berk., Ann. Nat. Hist., n. 313. 



On wood and bark, also on fallen pine leaves, &c. 



Specimen named by Persoon examined ; also Berk., Brit. 

 Fung., n. 286, and Phil., Elv. Brit, n. 77. 



Usually the blackish-brown subiculum is broadly effused, 

 well developed, and presents a spongy appearance under a 

 lens, at other times it is nearly absent. 



Type of r. Johnstoni also examined. 



Var. rosae. Mass. 



Externally brown, tomentose ; remainder as in the typical 

 form. 



Peziza rosae, Pers., Obs. Myc, ii. p. 82. 



Tapesia rosae, Fckl., Symb. Myc, p. 301 ; Phil., Brit. 

 Disc, p. 279 ; Sacc, Syll., viii. n. 1542. 



On dry stems of various species of Posa. 



The present form is scarcely to be considered as a good 

 variety. In the typical form the external cells of the cortex 

 and margin are rounded or papillose, resembling undeveloped 



