766 Discomyceteae, Phacidieae, Dictyosporse, Dothiora. 



^ Hab. ad bracteas amentorum Pinuum in Carol. inf. Amer. ; 

 bor. — Per duos v. tres lobos dehiscens. Sporidia septis pluribus 

 transversis v. longitud. divisa. 



5. Dothiora platyasca (Peck) Sacc Cenangmm plah/ascum Peck 

 Bot. Gaz. 1879, p. 231. — Ascomatibus parvis aggregatis, prirao 

 raargine albo, dein planis et nigro-marginatis; ascis numerosis, 

 ovatis vel subsphseroideis; sporidiis oblongo-ovatis, muriformibus, 

 coloratis, 20 ^ 12. 



Hab. in corticibus, Alabama Araer. bor. 



G. Dothiora asterinospora Ell. etEv. Bull. Torr. Cl. 1883, p. 16{Cen.), ;j 

 — Erumpens, acervulos 2-3 mm. crass. ex ascomatibus 6-10 coa- 

 litis compositos efFormans, ascomatibus stipatis, mutua pressione 

 irregulariter angulatis, disco convexo v. plano, atro, levi immar- 

 ginato, 0,5-1 ram. diam., intus sordide albescente; ascis subglo- 

 bosis 35 ;/. diam.; paraphysibus non visis ; sporidiis oblongo-Glli- 

 psoideis v. subpiriformibus, subhyalinis, granulosis, ad medium con* 

 strictis, dein 3-septatis, submuriformibus, 15-20 ^ 6-8. 



Hab. in trunculis vivis et in ramis Vaccinii corymbosi, 

 Newfield Amer. bor. 



7. Dothiora Sorbi (Wahl.) Fuck. Symb. p. 275, Hysterium Wahl. : 

 Lapp. p. 523, Dothidea Fr. Syst. Myc. II, p. 552, Dothiora Fr, 

 Summa p. 418. — Ascomatibus insculptis erumpentibus globulosis v. 

 ellipticis levibus atris, dein epidermidem 3-4-laciniatam infarcien- 

 tibus plano-convexiusculis, nigricantibus, carbonaceis, demum irre* 

 gulariter v. rimose dehiscentibus, 1-2 mm. lat.; ascis elongatis, 8- 

 sporis, 80-100 :; 18-20; sporidiis distichis, oblongis, medio constrictis, 

 parte superiore crassiore, 0-7-septatis, hyalinis, 26-35 r G-8, sub- 

 inde septulo longitud. accedente. 



Hab. ad ramos Sorbi Ariae et aucupariae, Piri ameri* 

 cause in Germania, Suecia, Arduennis, Amer. bor. — St. pycni- 

 dicus {Micropera Fuckelii Sacc). Cfr. Fuck. 1. c. Peritheciis spu* 

 riis, sparsis subcaespitosisve, sub epidermide flavo-facta nidulan* 

 tibus. globosis, atris, media magnitudine, in rostrum conicum ob- 

 tusura, prominulura, aterrimum, peritheciura aequans attenuatis; 

 stylosporis anguste fusiformibus, curvatis, continuis, 14-18^2-3, 

 guttulatis, hyalinis. In rarais Sorbi Ariae. 



II. Motadothis Sacc. Sporidia transverse septata, nec muriformia. 



8. Dothiora mutiia (Fr.) Fuck. Syrab. p. 275, t. IV, f. 53, Sphivria 3 

 Fr. Syst. Myc II, p. 424, saltem ex p. — Cupulis in caespitibus 



