Sphseriacese, Ph£eosporae, Hypoxylon. 353 



lignoso-suberosum, extus intusque fusco-nigricans vel rubiginosum. 

 Perithecia periph^erica, monosticha, rarius polysticha, concentrica, 

 stromati plus minus iramersa, forma varia. Asci pedicellati, cy- 

 lindracei, octospori, paraphysati. Sporidia contiuua, ovoidea vel ob- 

 longa, fuliginea. — Pyrenomycetes majores vel mediocres, sa^pius 

 lignicolse vel corticolse, ubique terrarum copiosi. 



I. Eu-hypoxylon : stromate globoso, pulvinato v. subeffuso, superflciali. 



.4) Stroma extus rubescens v. ochraceum v. saltem uon nigrum 

 V. pruiua pallidiore obductum. 



1. Hypoxylon coccineum Bull. Champ. Fr. p. 174, tab. 345, f. 2 (1791), 1333 

 iSits. Pyr. p. 28. Sph. fragiformh Pers. Syn. p. 9, nec Hoffra. 

 Lijcop. 'pmforme Sow., Sph. ruhra Willd. — Stromate per pe- 

 ridermium erumpente dein superficiali, subgloboso, nunc fusco-vio- 

 laceo V. cervino, hymenio conidifero pulveraceo concolori, cinereo 



V. aeruginoso primum vestito, nunc contra lateritio, maturo vero 

 semper rubiginoso, intus atro-fuligineo, mox solitario, raox con- 

 nato, subcaespitoso; Qonidiis {Institale acariforme Fr. et Anthina 

 /lavo-virens Fr.) obovatis, minimis; stromatibus rite evolutis, ma- 

 turis, minute mammillosis, fragiformibus ; peritheciis minutis, ova- 

 tis periphericis, monostichis, confertis, nonnihil extantibus; ascis 

 cylindricis, longissime pedicellatis, octosporis, paraphysibus lougis- 

 simis, liliformibus, simplicibus, stipatis, 70-88 ;; 5-7 p. sporif.; spo- 

 ridiis oblique monostichis, obovatis, iufequilateralibus, nigricantibus, 

 10-12=; 4-5, ssepe 2-guttuIatis. 



Hab. in ramis Fagi, rarius Quercus, Pruni, Salicis, Car- 

 pini, Ostryae, Betulae, Cory li et (teste Berk.) etiam in Ustu- 

 lina parasiticum in tota ferme Europa, Amer. bor., Cuba, Tasma- 

 nia, Amer. arctica, India or. 



2. Hypoxylon Scleroderma Mont. Syll. Crypt. n. 716. Ceut. II, n. 37, 1334 

 t. 10, f. 1. — Carnoso-suberosura, obpyriforrae globosumve, spu- 



rie stipitatum, basi attenuatura sessile, intus deterrainate cavum 

 extusque Iseve, rubro-sanguineum ; peritheciis heteromorphis ob- 

 longis globosisve, polystichis, cellulBeformibus, in strato coucolori 

 peripherico (lineam crasso) nidulantibus, ostiolis demum prominu- 

 lis confertis nigris perforatis , ascis breviter clavatis, 30 ^ 4-5 p. 

 sporif. ; sporidiis octouis oblongis, 5 ^ 2-2,5. 



Hab. ad lignum emortuum in sylvis Cayenna^ (Leprieur). 



3. Hypoxylon pulchellum Sacc Fungi Ven. Ser. IV. p. 21 et F. ital. 1335 



23 



