114 Sphjeriace», Allantosporge, Valsa. 



Hah. in ramis Quercus obtusilobai' etc, Carolina, New 

 England (Amer. bor.). — (( An forraa V. cemiophorcu?)). 



17. Valsa Insignis Nits. Pyr. Germ. p. 188. — Stromate grandius- 445 

 culo, basi orbiculari v. late ovali conico-truncato v. sa?pius sub- 

 cylindrico, peridermio facile solubili ac plerumque transversim fisso 

 erumpente, cortici interiori adnato v. basi tantum strato ejus su- 

 premo innato; corticis superficie circa stromata nec non stromata 

 ipsa colore sordide et opace fuligineo tincta; discus stromatis basi 

 paullo Y. vix angustiore planiusculo, immo excavato, sordide lu- 

 tescente, ostiolis minutissimis, numquam elongatis, hemisphriericis, 

 deinde poro pertusis, dense ac sine ordine sparsis nigropunctulato ; 

 peritheciis in singulo stromate numerosissimis, minutis, monostiche 

 densissimeque stipatis, mutua pressione semper ac varie angulatis, 

 collo pertenui instructis; stromatis substantia expallente v. flavi- 

 cante; ascis cylindrico-clavatis, sessilibus, octosporis, .36-44 (ple- 

 rumque 40) i;5-6; sporidiis subdistichis v. conglobatis, cylindri- 

 cis, parum curvatis, hyalinis, 7-9 (plerumque 8) ^2. 



Hab. in truncis et ramis Coryli tubulosse Willd., Cap- 

 penberg (Germania). 



18. Valsa decumbens (Schmidt) Nits. Pyr. Germ. p. 198, Sphceria 446 

 decumhens Kunze in Fr. S. M. II. 408. — Stromate per perider- 

 mii rimas transversim directas, erumpente, immo, peridermio de- 

 jecto, tandem libero, nigricante, variae magnitudinis, plerumque 

 minuto, conico, rarius forma irregulari, tuberculiformi ; stromati- 

 bus 2-3 soepe approximatis, basi v. omnino confluentibus ; perithe- 

 ciis in singulo stromate nunc paucis tantum (4-8), nunc contra 

 numerosissimis, minutis, mutua pressione angulatis, monostichis, 



in collum longiusculum attenuatis; ostiolis minutissimis, abbrevia- 

 tis, punctiformibus, rotundatis, atris, nitidulis; ascis anguste cla- 

 vatis, sessilibus, octosporis, 26-30=; 4-5; sporidiis subdistichis, cy- 

 lindricis, nonnihil curvatis, hyalinis, e-SslVg. 



Hah. in radicibus defossis Pini sylvestris in Lusitania et 

 prope Munster (Germania). 



19. Valsa Schweinitzii Nits. Pyr. Germ. p. 191. Sphceria cornicu- 447 

 iaia y. salicina Alb. et Sclnv. — Stromate e basi orbiculari trun- 

 cato-conico, minuto, nonnihil protuberante, peridermio erumpente 

 ejusque laciniis fissis cincto v. peridermio, facile solubili, dejecto 



in corticis interioris superficie fuscescente libero; peritheciis in 

 singulo stromate 5-12, corticis parenchymati immutato insculptis, 

 monostiche denseque stipatis, majusculis, subglobosis, in coUura 



