204 E. A. Vainio, Lecideales. 



sordide subviolaceo aut subolivaceo (KHO pulchre violascente), nee 

 .^viridulo", ut ab Arn. enunciatur (Lich. Fragm. XI p. 58). 



25. B. invertens Vain. (n. sp.). 



Thallus tenuis, verruculoso-inaequalis, cinerascens. 

 Apothecia parva, basi constricta, adpressa, disco atro, 

 piano, margine tenui, fuscescente aut fusconigro, persi- 

 stente. Hypothecium pallidum aut decoloratum et ad mar- 

 ginem dilute violascenti-pallidum. Hymenium sat tenue, 

 epithecio vulgo violascente, KHO aeruginoso. Perithecium 

 in margine subviolascens, KHO intensius violascens. Sporae 

 bacillares, breves, 3-septatae, subrectae. 



Distr. Ad corticem vetustum alni prope Habitationem 

 Sacerdotis in Tammela in Ta. (A. Kullhem). 



Facie externa B. qnercicolam f. bacilliferam et B. sparsain 

 in memoriani revocans. Sporis et thallo a forma apotheciis 

 obscuris instructa B. immdatae differt. A B. abbreviante sit 

 evoluta, epithecio ab ea recedens. — Hypothallus indistinctus. 

 Apothecia lat. 0.4 — 0.3 mm, crass. O.220 mm, sat crebra numero- 

 saque, nuda, disco opaco, atro aut interdum fusco-nigricante, 

 margine sat opaco aut leviter nitido, discum leviter superante. 

 Hypothecium superne subplectenparenchymaticum, cellulis in se- 

 riebus horizontalibus, cavitatibus depressis aut rotundatis, O.003 — 

 0.001 mm latis, membranis modice incrassatis, inferne decolora- 

 tum, chondroideum, tubulis partim oblongis. Perithecium chon- 

 droideum, pachydermaticum, cavitatibus cellularum rotundatis aut 

 ellipsoideis et in parte interiore oblongis, O.002 — O.0015 mm latis, 

 ex hyphis radiantibus formatum. Hymenium O.040 — O.050 mm 

 crassum, jodo caerulescens deindeque vinose rubens. Hymenium 

 superius violascens aut dilute subnigricans aut decoloratum, at 

 KHO distincte aeruginosum. Paraphyses sat laxe cohaerentes, 

 simplices, crass. O.0015 mm, apice capitato-clavatae, O.002 — O.oos 

 mm crassae. Sporae bacillares, apicibus obtusis, long. O.012 — 

 0.019, crass. O.002 mm. Stylosporae oblongae aut cylindrico- 

 oblongae, apicibus obtusis aut rotundatis, rectae, simplices, de- 

 colores, long. O.oov — O.oos, crass. O.0015 mm, in conceptaculis 

 prominentibus, fusconigris, diam. O.130 mm. Gonidia pleuro- 

 coccoidea, simplicia aut glomerulosa, cellulis globosis, diam. 

 0.012 — 0.008 mm. 



