754 PyrenomyceteM. Sphaeriacene, riifnodidynise, MelMticoniella. 



et ea rupta cinctum, collectis; ascis 190-200*30, evanidis (octo- 

 sporis?); sporidiis oblongo-ellipsoideis, uniseptatis, nrjox brunneis, 

 sa?pius utrinque appendicula brevi, tuberculiformi, obtusa ornatis, 

 35-45=15-10 (sine appendiculis). 



Ilah. in rainis Betulae, Plainfield Amer. bor. 

 *J. Melanconiella apocrypta Ell. Amer. Nat. Fobr. 1883, p. 105. — 3079 

 Peritheciis 8-12 subcircinantibus, '/g niin. diam., niembranaceis, 

 cortice interiore nidulantibus, stromate obsoleto, epidermide vix 

 puslulatim elevata tectis; ostiolis brevibus, fasciculatis; ascis sub- 

 clavatis, 111 = 22 v. elongatis, 120-150 = 12; sporidiis distichis v. 

 monosticliis, ellipsoideis, 25-30 = 11-13, strato mucoso hyalino ob- 

 volutis, dein brunneis. 



Hab. in ramis eraortuis Populi, Decorah Jowa Americ?e bo- 

 realis (E. W. Holway). — Status conidicus forte relert Melanco- 

 nini/i popnlim.im Peck. 



3. Melanconiella leucostroma (Niessl et Rohm) Sacc Melanconis lcu- soso 

 coUroma Niessl et Rehm Ascom. n. 674, Hedw. 1883, p. 40, — 

 Stromate pustulato v. subapplanato, vix limitato, superficie albo- 

 pruinoso; peritheciis monostichis, 6-0 circulari-aggregatis v. sub- 

 inordinatis, subglobosis, minutis, ostiolis convergentibus, fascicula- 

 tis: ascis elliptico-oblongis, 70=15, septulato-paraphysatis, octo- 

 sporis; sporidiis 2-3-stichis, elongato-obtusis, rectis, I-septatis, 

 2-nucIeatis, constrictis, 18-24 = 5-7, fuscescentibus, utrinque appen- 

 dicula filiformi hyalina 6-8 ■).. longa auctis. 



'Hah. in rarais dejectis Fagi silvaticae prope BriiDn Mora- 

 \i» (Niessl). 



4. Melanconiella Meschuttii (Fll. et Ev.) Berl. et Vogl. Add. Syll. 308i 

 pag. 129, Yaha Meschultii Ell. et Ev. in Bull. Torr. bot. Club. 

 1883, pag. 117. — Peritheciis 10-20, circinatis, in stromate lenti- 

 culari, nigro, orbiculaii v. ellipsoideo, superficie interiore corticis, 

 insidente immersis, ostiolis brevibus, cylindraceis, in discum sor- 

 dide brunnoum, epidermidem transverse erumpentem collectis, apice 

 distincte 4-rimoso; ascis circiter 75«* 10 p. sp.; sporidiis distichis, 

 eUipsoiieis, leniter curvis, 14-16 = 6-8, uniseptatis, vix constrictis, 

 primum subhyalinis, demum brunneis, utrinque appendicula hyali- 



na, corniforrai. niox evauida ornatis. 



Ilah. in ramis eraortuis B e t u I a?, Plainfield Americee borealis 

 (Of.orge F. Meschutt). — An eadem ac var. major' sequentis? 



5. Melanconlella decorahensis Ellis Am. Nat. 1883, Febr. p. 195. — 3082 

 Peritheciis subglobosis, coriaceis, '/g mra. diara., 8-12 circinantibus, 



