SphaBriaceae, Phajosporse, Ustulina. 351 



ab Hijpoxtjlo distinguendum et re vera Hypoxyli plures species 

 aequo fere jure Uslulince adscribi possent. 



1. Ustulina vulgaris Tul. Sel. Fung. Carp. II, p. 23, t. III, f. 1-6, 1328 

 Sph. maxima Web. Spic. Gott. n. 301, Sph. deusia Hoffm. Veg. 

 Crypt. I, p. 3, t. I, f. 2, Sph. versipellis Tode, Hypoxylo7i usiu- 

 laium Bull. — Stromate superficiali, subeffuso, repando-pulvinato, 

 maximo, crasso, undulato-tumuloso, tandem aterrimo, carbonaceo, 

 fragili, intus denique excavato; peritheciis magais, ovatis, dense 

 stipatis, monostichis, periphericis, ostiolis solum punctiformibus pro- 

 minentibus; ascis anguste cylindricis, pedicellatis, octosporis, 250 

 ii8-10 p, sporif. ; paraphysibus tenuissimis, simplicibus, unicellula- 

 ribus, mox diftluentibus ; sporidiis oblique monostichis, fusiformibus, 

 in.-«quilateralibus, immo curvulis, nigricantibus, 32-40 ;:? 8-10; hy- 

 menio conidifero stroma initio vestiente, albido-cinerascente: coni- 

 diis ovoideis, minutis, subhyalinis breve stipitatis. 



Hab. ad caudices carie vexatos Fagi, rarius Tilise, Car- 

 pini etc. in tota Europa, Cuba, Guyana, Venezuela, Juan Fernan- 

 dez, Amer. bor., Ceylon. 



2. Ustulina braslliensis Speg. Fungi Arg. Pug. IV, n. 136. — Stro- 1329 

 matibus repando-pulvinatis, magnis, 20-40 mill. diam., exertis , 

 crassis, 5-8 mill. crass., inferne applanatis, late laxeque adnatis, 

 ambitu liberis, irregulariter repando-sinuosis, margine crasso, ob- 

 tusissimo, disco parce undulato-gibboso, cortice crassiusculo, fragi- 



li, atro, opaco, inferne irregulariter ruguloso-scruposo , superne 

 plano sed densiuscule papilloso-aspero ; carne infera, cortici basali 

 adnata, tenui, alba, fibrosula, mox evanida ; peritheciis densissime 

 constipatis, verticalibus, cylindricis, e mutua pressione angulosis, 

 2 mill. long., 0,3-04, mill. crass., tenui-pelliculoso-membranaceis, 

 subcoriaceis, griseo-plumbeis, basi rotundatis, vertice in ostiolum 

 carbonaceum, corticem perforans exertumque, obtusulum productis ; 

 ascis cylindraceis sursura truncato-rotundatis , crasse tunicatis, 

 deorsum breviter attenuato-stipitatis, 250-280 ^ 12, octosporis, pa- 

 raphysibus filiformibus obvallatis; sporidiis naviculari-fusoideis , 

 utrinque attenuato-rotundatis, primo grosse 2-guttulatis, 40^-45 ^ 

 10, opace fuligineis. 



Hab. in truncis dejectis putrescentibus prope Freguesia de Ri- 

 beira, Apiahy, Brasilia meridionali (Rocha et J. Puiggari). 

 3. Ustuiina macrosperma (Mont.) Sacc. Hypox. tnacrospermiim Mont. 1330 

 Syll. Crypt. n. 724, Cent. II, n. 39, in Ann., 1. c, p. 351, t. 10, 

 f. 6. — Hemisphasrico-suljglobosa, depressa, crustaceo-laccata, ni- 



