Pyrenoraycetese, Sph8eriace£<^, Hyaiodidymoe,. Melanconis. 701 



Hab. in ramulis delapsis Aceris, West Chester iu Anier. bbr. 



3. Melanconis dasycarpa Ellis et Keilerm. in Journ. of Myc. 1886, 2869 

 p. 3. — Stromate corticali, 1 mm. diam., vel pauUo latiore, linea 

 nigra circumscriplo ; peritheciis 3-8 cortice interiore immersis, 

 y^-Vs ^'""T»- diam., ostiolis asperulis, cylindraceo-conoideis, epider- 

 niidem stellato-ruptani s^pe perforantibus, fasciculatis et in discum 

 protrusis; ascis oblongo-cylindraceis, subsessilibus, 100-1 15 ■=> 18- 

 20; paraphysibus imperfecte evolutis; sporidiis distichis, oblongo- 

 Gyliudraceis, leniter curvulis, uniseptatis, subhyalinis, septo non 



ve! vix constrictis, 25-30 c: 8-10, appendjcuia crassinscula, leniter 

 obliqua, hyalina, 16-20::; 3, utrinque praeditis. 



//a6. in raraulis putridis Ace r is dasycarpi Manhattan Kan- 

 sas Amer. bor. - Affinis M. Alni. 



4. Melanconis aniarctica Speg. F. Pat. n. 128 - Stromate valso, elli- 2870 

 ptico, 5-6 mm. \ong;., 2-3 mm. lat., 0,3-0,5 mm. crass., disco excepto, 

 peridermio tecto, e substantia corticis fere immutata etformato, in 

 parte centrali albescenti-flavescente, vix protuberante; peritheciis 



in singulo stromate 15-25, eoque imraersis, circinantibus, sphjeroi- 

 deis 250-300 f.. diam., glabris levibus, ostiolis in disco corticem 

 perforante sed vix prominulo exsertis, conoideis, obtusiusculis, rigi- 

 dulis, nigris, constipatis, subconfluentibus; ascis cylindraceo-sub- 

 clavatis, superne rotundato-subtruncatis, minute bifoveolatis, in pe- 

 dicellum mox fluxilem productis, p. sp. 80-85:^10-11, octosporis, 

 aparaphysatis?: sporidiis hyalinis v. fumosis distichis, elongato-elli- 

 pticis vel subfusoideo-ellipticis 25-26 :i 5, medio 1-septatis leniter- 

 que constrictis, non v. vix subinsequilateralibus utrinque obtusiu- 

 scule acutatis et caudula gracili subflexuosa, 20-25 c; 1-1,5 hyalina 

 auctis, 



Hah. ad ramos eraortuos Fagi betuioidis in silvis prope 

 Punta Arenas Patagonise. — Species /V/. Ahii Tul. valde afflnis 

 sed certe diversa! 



5. Melanconis salicina Ell. et Ev. Proc. Phil. Academ. 1890, p. 236. 2871 

 — Stromate plano, tenui. orbiculari, 2 mm. d., e corticis substantia 

 leniter mutata et vix elevata formato, linea nigra parura profunda 

 circumscripto; peritheciis 3-6, rarius singulo, i nquoque stromate, 



3/4 mm. d,, globosis merabranaceis in collum breve ostiolo latiusculo, 

 concavo epidermidem perforante conctractis; ascis laie fusoideis 

 90-1 10 3 12- 16 p. sp. copiose paraphysatis; sporidiis stipato-distichis 

 oblongo-fusoideis, 1-septatis leniter constrictis curvulis, 40-60=; 8- 

 10, flavido-hyalinis, utrinque breve obtuseque apiculatis. 



