Pyrenomycetae, Spliieriacese, Phseodidymse, Didymosphseria. 553 



Hdb. in ligno vetusto decorticatoque E-hois glabrae, Kansas 

 Amer. bor. (Bartholosiew). 



9. DidymosphaBria Thapsi Yestergr. Bihang. K. Svenska V. A. Handl. 2112 

 XXII, A£d. III, n. 6, 1896, p. 13. — Peritheciis epiphyllis, plus 

 minusve immersis, sparsis, rugosiusculis, sphaeroideis, textura pa- 

 renchymatica, ostiolo papillaeformi prseditis, ca. 150 u. diam., mem- 

 branaceis, nigris; hyphis brunneis, ramosis, plerumque cellulis 

 elongatis, ad perithecia autem subisodiametricis, 4-5 u. crassis com- 

 positis ; ascis cylindraceis v. clavulatis, vertice incrassato, rotundato 

 prseditis, brevissime pedicellatis, 53-65 « 7-9 ; paraphysibus filifor- 

 mibus, ascos superantibus ; sporidiis octonis, typice distichis, fu- 

 soideis, rectis v. curvatis, prope medium constricte uniseptatis, lo- 

 culis subconicis, loculo superiore deorsum crassiore, 16-20 « 3-4, 

 4-guttuIatis, fuligineis. 



Hah. in pagina superiore foliorum languidorum Verbasci 

 Thapsi in Grotlandia Sueciae. 



10. Didyuiosphaeria Tecomae Cke.-Sacc. Syll. XI, p. 313. — Var. 2113 

 monosticha F. Tassi, BuU. del Lab. Bot. de R. Univ. Siena, 1898, 

 fasc. I, p. 6, tab. IX, fig. 3. — Peritheciis innatis, subglobosis, 

 atris, sparsis, 80-100 fi. diam., papillatis; ascis clavatis, 80-90» 

 6-8, octosporis, paraphysibus gequilongis ramulosis fultis; sporidiis 

 ovoideis, fuligineis, rectis, imbricatis v. oblique uniseriatis. 



Hah. in ramis putrescentibus Tecomse radicantis in horto 

 bot. Senensi, Italia centr. 



11. DidymosphaerJa Celtidis Ell. et Ev. Proc Acad. Philad. 1896, 2114 

 p. 421. — Peritheciis dense sparsis, globosis, minutis, circiter 

 300 //. diam., epidermide in pustulas elevata et ostiolo papilliformi 

 pertusa tectis ; ascis ventricoso-oblongis, sessilibus, 55-60 =»< 18-25, 

 obscure paraphysatis, octosporis; sporidiis confertis, distichis, ob- 

 ovatis, uniseptatis leniter constrictis, brunneis, 20 >^ 10, interdum 

 etiam ellipticis et 20-25 >f 10-12 metientibus. 



Hah. in ramis emortuis Celtidis occidentalis, Kansas, 

 Amer. bor. (Bartholomew), - Asci mox evanidi, ideoque species 

 Diplodiam in mentem revocat. 



12. DidymosphaBria decolorans Rehm in Ascomycetes exs. fasc. XXIV 2115 

 n. 1239, Hedw. 1898, p. (143). — Peritheciis in maculis corticis el- 

 lipticis usque ad 5 cm. longis et 1 y^ cm. latis, fiavo-fuscis epider- 

 midi tenuissimaB immersis, dein per eam riniose fissam gregarie pro- 

 rumpentibus, dimidiatis, nigris, glabris, poro minutissimo pertusis, 

 senilibus deformatis, 300-400 a. diam.; ascis cylindraceis, apice 



