fil7 



loiiLi', often confluent, only sliiilitly prominent, lilaek nnd covered l»y 

 tlie Itlnckened epidermis, ajjpeiirinir as black, sliditly swollen hlotelies 

 oil the leaves and culms. A.scitrerous cells mostly sul)seriate, sunk in 

 tlic stroma, jrlohose, altout 100-1 ")(> // dinm. Ostiola papilliform. 

 liniilly uml>ilicate. Asci olilonu-clavate. suliscssile. 8-spored, 3o-40 x 

 10-11 fi. Sporiilia hisei'iate, oltlonu-l'usoid. hyaline. 1-2-septate. not 

 oiMstricted, 12-1 ox 4-4^ /^ 



On liviiiir culms and leaves ol' Inolepis caplllaviii, South Carolina 

 (Ravcnel). 



MAZZAXTIA, Mont. 



SyU. p. 245. 



Stroma crumjient, ohhmu' or snl)orlticnhir. clypeilbrm, convex, 

 toleraltly thin, Idack, covered at first, then erumpent, white in.«ide, 

 texture almost like that of a sclcrotriim. Ascifiei'ous cells sunk in the 

 stroma, mostly few. Sporidia oldonir or elliptical, continuous, hyaline. 



M. (isilii, (Fr.) 



Sphceiia Oalii\ Fr. Kleiicli. II, p. 105. 

 St>liiC>ia A/xtrines, Cast. Cnt. tie I'l. de Mars. p. 171. 

 Afa::atilia d'a/t't, Motit. Syll. p. 246. 

 Ivxsicc. l-'ckl. K. Rli. 795.— Rab. V. K. 537.— Thuiii. M. V. 71, 1956. 



Stromata scattered, covered at first, then ei'umpent and very 

 jirominent, elliptical oi- o!»Ioni>'. stron<i;ly arched, sliirhtly wrinkled, 

 lilack, ^-1 nun. lonsr. Asciirerous cells l-f), nari'f>wed above into the 

 slightly projectinir ostiolum, depressed-spherical or lenticular, mem- 

 hranaceous, pale. Asci cylindrical, short-stipitate, rounded aluivc. 

 >!spored, r)0-r)*2 x 5-i> /i. Sporidia liiseriate. oltlonii-ellijitical. con- 

 tiiMious, with a nucleus in each end. 8-I()x4-4^ //, 



On dead stems ol' Gdfiinit A/xir/iic. Oalifornia (llarkness). 



M. sepiiim. Sai*e. & IViiz. Mich. II. p. (iO!). 



Stromata linear-olilong. sultcutaneo-erumpent. shining-ldack, 1 ^- 

 2 nnii. long liy scarcely .\ nun. wide, rather flat, ol).scurely punctidate 

 h-om the ostiola. ascigerous cells few, whitish. Asci cylindric-clavate. 

 Vt-oSx 7-8 //, without paraphy.-ses. 8-spored, short-stipitate. Spoiiilia 

 nliliipioly uniseriate, cylindric-fusoid. straight or curved. 2- (rarely 4-) 

 nucleate, 10-12 x2i-;{^ ft, hyaline. 



On dead stems of C<thjst('<jia nepium. North (}|-eenliush, N. Y. 

 (Peck). Sporiilia a little larger than in the typical form, and tri- 

 nucleate. 

 78 



