Sphseriaceae, Allantosporse, Quaternaria. 107 



quidem libera, sed discum minimum convexum tuberculosum ple- 

 rumque opacum formant. 



2. Quaternaria dissepta (Fr.) Tul. Fung. Carp. II. 107. Sphceria dis- 426 

 septa Fr. S. M. II. 392. Biatrype stipata B. Br., Sph. Saiurnus 

 Sow. — Laxe circumscripta, peritheciis subcutaneis sparsis, exci- 

 puliformibus, amplis, ostiolis erumpentibus subjunctis; ascis angu- 

 ste clavatis, v. subcylindricis, longe pedicellatis p. s. 90-100 s 16- 

 18; sporidiis botuliforraibus olivaceis, 2-guttulatis, 22-26 ^^^/.^-^^/^ 

 mono-distichis. — Spermogonia nota, Lihertellam sistentia. 



Hdb. sub epidermide ramorum U 1 m i , rarius S a li c i s , T i - 

 liae, Amorphae, in Suecia, Gallia, Germania, Belgio, Amer. bor. 

 — Perithecia globosa, suberecta, in cortice interiori sparse nidu- 

 lantia, raro solitaria, passim circinantia, saepius in plagas corticera 

 elevantes aggregata, crustula tecta et in ambitu linea nigra, nunc 

 subrotunda, nunc maxime flexuosa (I lin. - 2 unc. lata) circum- 

 scripta. Stroma corticale, perithecia disseptans; quando perithecia 

 valde conferta nigrescens; quando epidermis facile secedit ab hac 

 coloratura testaceura. Ostiola collo tereti brevi erumpunt, papillae- 

 formia, scepius in discum insequabilera homogeneura collecta, raro 

 solitaria. — Adest var. ostiolis exertis (ex Gallia). 



3. Quaternaria Mortlrieri Fuck. Symb. myc. 229, t. II, fig. 43. — 427 

 Peritheciis majusculis 4-6 in stromate albo, nigroliraitato in cor- 

 tice interiore nidulantibus, globosis, atris, ostiolis in disco aterrirao 

 convexo erumpente fisso minutissimis, vix prominulis ; ascis cylin- 

 draceis, stipitatis, 88-8 (p. sporif.) ; sporidiis octonis oblique mo- 

 nostichis, oblongo-Ianceolatis, utrinque obtusis, subcurvatis, 16 s; 3- 



4, 1-2-guttuIatis, fuscis. 



Hab. in ramis corticatis dejectis Quercus in Gerraania et 

 Helvetia. — aAn Anthostoma?)). 



4. Quaternaria regularis Nits. Pyr. Germ. p. 89. — Stromate cor- 428 

 ticali, discreto v. confluente, atro-liraitato ; peritheciis in singulo 

 stromate 2-5, minutis, subglobosis, circinantibus denseque stipatis, 

 collo brevissirao et ostiolo rotundato, rainuto nec incrassato, per- 

 tuso, in disco nonnihil proniinulo, peridermiura perforante instru- 

 ctis, ascis cylindricis, pedicellatis, octosporis, raembrana crassiuscula 

 textis, 200 i; 16 (p. sporif.); sporidiis oblique raonostichis, oblongis, 

 utrimque obtusis, rectis v. insequilateralibus, nigricantibus, 28-32 

 12-14. 



Hab. in rarais emortuis Alni glutinosae, Cappenberg (Ger- 

 mania). 



