G669 



434 Sphaeropside», Excipulacese, HyalosporaB, Sporonema. 



Hab. in ramulis Fagi silvaticae ia silva de la Haye Ne- 

 derlaQdiae (Destree). 



4. Discula acerina Oud. Contr. Mycol. XIII, p. 53 (ubi diagno?is?). 



Hab. \n ramulis Aceris carapestris, Scheveningue Xeder- 

 landife (Destree). 



5. Dlscuia Rosae Oud. Gontr. mycol. XIII, p. 54,. f. 35. — Perithe- 6G70 

 ciis ellipsoideis, nigrellis, sparsis, in.fra epidermidera celatis, contextu 

 fere nullo,- sporulis fusoideis, 10-14 ::; 4-5; hyalinis, continuis; ba- 

 sidiis sporulam a^quautibns. 



Hab. in ramis Rosfe sp. cujusdam in silva de la Haye Neder- 

 landiae (Destree). 



6. Discula Xanthoxyli Ell. et Ev. Journ. Myc. 1889, p. 152. — Pe- m\ 

 ritheciis i;regariis, maculis dealbatis, 2-3 cm. lat. insidentibus. sub- 

 discoideis, circ. 150 j.. diam., contextu grosse parenchymatico, po- 



ro minuto, orbiculari supra pertusis, circa porum corapactioribus 

 et subopacis, ceterum tenuioribus et pellucidis; sporulis copiosis, 

 oblongo-cylindraceis. hyalinis, coutinuis, 12-20^3-3,5; basidiis nul- 

 lis V. vix conspicuis. 



Hab. in caulibus emortuis Xanthoxyli, Martinsville, Louisia- 

 na Amer. bor. (Rev. A. B. La.nglois). 



7. Dlscula runcinata Ell. et Ev. .Tourn. Myc. 1889, p. 153. — Gre- mn 

 garia v. sparsa; peritheciis epidermide primo tectis, dein convexts 



et erumpentibus, eorura parte superiore evanescente ideoque apice 

 late pertusis, 150-200 _a. diam.; cootextu grosse pareuchymatico ; 

 sporulis hyalinis, continuis, oblongis, curvis, 18-23 r; 3,5-4. 



Ho.b. in caulibus emortuis S t e p h a n o ra e r i ae r u n c i ii a t ae, He- 

 lena, Mont. Amer. bor. (Rev. F. D. Kelsey). 



SPORONEMA Desm. — Syll. HI. p. 677. 



1. Sporonema paliidum EU. et Ev. Journ Myc. 1889, p. 153. — Ma- s673 

 culis dealbatis; peritheciis gregariis, erumpentibus, caespitosis, 0,5 

 mm. diam.. supra radiato-multifidis v. deraum irregulariter lacera- 

 to-fissis; sporulis concatenatis, 8-10 s 2, subcylindraceis, hyalinis, 



in basidiis acrogenis. 



Hab. in iigno denudato et putri Aceris, Ridgeway, N. Y. 

 Araer. bor. (Doct. C. E. Fairman). 



2. Sporonema quercicolum C. Mass. Contr. Mic. Ver. p. 101, t. III, (]^:\ 

 f. 20. — Peritheciis hypophyllis, orbiculatis. lenticularibus, colore 

 argiUaceo, .sparsis, snbsuperficialibus, epidermide tectis, diametro 



vix '/g mm. superantibus, parietibus membrauaceis, contextu cellu- 



