2575 



SphseriaceiB, HyalodiJymae, Diaporthe. 673 



raonostichis, oblongo-ovatis, utrinque obtusis, uniseptatis, ad septum 

 constrictis, pallide fuscis, 16 ^; 8. 



Hab. in ramis siccis Coryli Avellana^, Vallengin prope 

 Neuchatel Helvetiae (Morthier). — Sporidia iis D. fibroue analoga. 



223. D. Tetrastaga revellens Nits. Pyr. Germ. p. 302, Sacc. Myc. 

 Ven. Spec. p. 138, t. Xlll, f. 50-52. — Stromate nunc peritheciis 

 2-6 arctius coalitis valseum aemulante, plerumque vero longe la- 

 teque effuso, ramos ramulosque, pryesertim basim versus ambiente, 

 multo rarius breviore, maculseformi, toto iramerso, strato nigri- 

 cante circumscripto, peridermio haud decolorato v. rarius denique 

 obscurato obducto; peritheciis minutis, e globoso depressis, immo 

 lentiformibus, cortici interiori iramersis, ordine vario sparsis, sse- 

 pissime vero 2-6 dense aggregatis, tunc peridermium in pustulas 

 exiguas elevantibus ; collis brevissimis; ostiolis minutis abbreviatis, 

 peridermium haud superantibus; ascis anguste clavatis v. subcy- 

 lindricis, octosporis, 50-60^7-8; sporidiis subdistichis v. oblique 

 monostichis, anguste fusiformibus, subcylindricis, utrioque obtu- 

 siusculis, rectis v. parum curvatis, subhyalinis, bi-cellularibus, me- 

 dio haud constrictis, 11-14 i;3-6. — Spermogonia phomatoidea: 

 spermatiis oblongis, 2-guttatis, 6-7 ^ 3. 



^a^. in ramis putrescentibus Coryli Avellanae et C. Lam- 

 bertianae in Germania, Gallia et Italia. — Datur quoque forma 

 ostiolis elongatis. 



224. D. Tetrastaga tenuirostrls Nits. Pyr. Germ. p. 293. — Stro- 2576 

 mate plus minus late effuso, cortici lignoque supposito, specie haud 

 mutato toto immerso, nigrolimitato, peridermio peritheciorum ostio- 



lis perforato, ceterum haud decolorato arctissiraeque adhaerente 

 tecto; peritheciis corticis interioris parenchyraati oranino infossis, 

 ordine valde insequali sparsis, ssepissime gregatim densius stipatis 

 e globoso mox plus minus depressis, haud raro praet-rea mutua 

 pressione angulatis, in collum breve, tenuissimum abrupte attenua- 

 tis; ostiolis in plerisque vehementer elongatis, tenuissimis, filifor- 

 rai-cylindricis, longissime extantibus, varie flexuosis, singulatim 

 V. sEepius 2-6 fasciculatim erumpentibus ; ascis oblongis v. clava- 

 tis, octosporis, 60 ^ 7-8 ; sporidiis subdistichis, fusiformibus, utrin- 

 que obtusis, rectis v. rarius in-jequilateralibus, bi-cellularibus, qua- 

 driguttatis, rarissime deuique parum torulosis, hyalinis, 13-14 ^; 3. 

 llab. in ramis Juglandis regiae pr. CEstrich Rhenogovise. 

 — Verisimiliter Sphceria Juglandis Curr. Simpl. Sphser. n. 332, 



43 



