PITYA. 291 



corrected to Pitya by Saccardo, Syll., viii. p. 209); Sacc., 

 Syll., viii. p. 209 ; Eehm., Krypt.-Flora, Disc., p. 925. 



Distinguished from other genera having globose, hyaline 

 spores, by growing on conifers. 



Pitya cupressi. Eehm, Krypt.-Flora, Disc., p. 926 ; 

 Sacc., SylL, viii. n. 849. 



Gregarious, sessile or narrowed into a short, stem-like 

 base, piriform and closed when young, then nearly plane, 

 somewhat fleshy ; margin entire, thickish, glabrous, lower 

 portion of ascophore and stem downy, especially when 

 young, whitish ; disc orange-yellow or yellow ; 1-2 5 mm. 

 across ; hypothecium and excipulum parenchymatous, cortical 

 cells largest, polygonal, 81 1 x 67 /x ; asci cylindrical, apex 

 rounded, tapering below into a long pedicel, 8-spored ; 

 spores globose, hyaline, smooth, with a large central oil- 

 globule, 10-12 fj. diameter, 1 -seriate in the upper part of the 



ILLUSTRATIONS OF THE PEZIZAE, &c. 



Fig. l.Barlaea Crouanii, Sacc., nat. size ; Fig. 2, section of same, X ; 

 Fig. 3, spore of same, x 300 ; Fi<*. 4, ascus and paraphyses of same, 

 highly x ; Fig. 5, Lachnea hemispherica, Gillet, specimen in early stage, 

 nat size; Fig. 6, section of excipulum, showing the external hairs iu 

 tufts, x ; Fig. 7, two of the marginal hairs, x 300 ; Fig. 8, spores of 

 same in young and mature stage, x 300 ; Fig. 9, section of same when 

 mature and expanded; Fig. 10, Helotium lechithinum, Mass., nat. size ; 

 Fig. 11, section of same, x ; Fig. 12, section of excipulum of same, x ; 

 Fig. 13, ascus and parapliysis of same, highly x ; Fig. 15, Acetabula 

 vulgaris, Fckl., small and young plant, nat. size ; Fig. 16, spore of same, 

 X 300 ; Fig. 17, Otidea neglecta, Mass., young and only partly expanded 

 plant, nat. size; Fig. 18, portion of excipulum of same, showing the 

 outside clavate cells, x 300; Fig. 19, spore of same, x 300; Fig. 20,. 

 Lachnea scutellata, Gill., nat. size ; Fig. 21, section of same, slightly x ; 

 Fig. 22, Peziza vesiculosa, Bull., small specimen, nat. size ; Fig. 23, ascus 

 and parapliysis of same, x 250 ; Fig. 24, Geopyxis coccinea, Mass., nat. 

 size ; Fig. 25, spores of same, x 300 ; Fig. 26, Geopyxis rapulum, 

 Sacc., nat. size ; Fig. 27, spores of same, x 300 ; Fig. 28, Mollisiella 

 iliciacola, Mass., nat. size ; Fig. 29, the same, x ; Fig. 30, ascus and 

 paraphyses, x 300 , Fig. 31, Helotium epiphyllum, ascus and paraphyses, 

 X 300 ; Fig. 32, specimens of same on portion of dead oak leaf, nat. 

 size; Fig. 33, Neottiella corallina, Mass,, nat. size; Fig. 34, the 

 same, x ; Fig. 35, spore of same. X 300 ; Fig. 36, Helotium moniliferum. 

 Mass., a single ascophore, slightly X ; Fig. 37, section of excipulum of 

 same x ; Fig. 38, ascus and paraphyses of same, x 300 : Fig. 39, conidia 

 of same, x 300; Fig. 40, Plectania melastoma, Fckl., section of ascophore, 

 nat. size. 



u 2 



