104 ARKIV FÖR BOTANIK. BAND 8. NIO 4. 



aut in margine partim fuscescens. Hypothecium superne 

 pallidum, ceterum albidum, cellulis parvis, KHO non reagens. 

 Hymenium 0.040 — 0,050 millim. crassum, fere totum sordide 

 violaceo-fuscescens aut livido-fuscescens aut partim etiam 

 superne decoloratum, KHO non reagens, jodo caerulescens, 

 dein obscure vinose rubens. Paraphyses arcte cohaerentes, 

 haud ramoso-connexae, tenues, membrana apice clavato- 

 incrassata. Sporae 8:nae, distichae, decolores, aciculares, 

 saepe 3-septatae, rectae, apicibus acutis, apice inferiore sen- 

 sim attenuate, long. 0,028 — 0,041, crass. 0,002 millim. Goni- 

 dia cystococcacea, globosa, simplicia. — Specimen orig. (n. 

 17366 in herb. Nyl.) L. suhfusculae Nyl. (Th. Fr., Lieh. 

 Scand. p. 378) thallo cinereo-glaucescente et apotheciis obscu- 

 rioribus, minus variegatis et sporis crassioribus a L. graminum 

 differt. 



Ad gramina et alias plantas destructas in peninsula Jin- 

 retlen. 



4. L. indigens Wain. (n. sp.). 



Thailus crustaceus, subcontinuus aut dispersus, sat te- 

 nuis, verrucoso-inaequalis aut verruculosus, hypothallo indi- 

 stincto, cinereo- aut pallido-glaucescens, sorediis destitutus. 

 Apothecia adpressa aut adnata, 1 — 0,4 millim. lata, disco 

 piano aut de mum leviter convexo, fusco-nigricante aut fusco, 

 opaco, nudo, margine tenui aut evanescente, disco concolore. 

 Excipulum extus rubricoso-fuscescens aut fusco-fuligineum, 

 intus dilute fuscescens aut fulvo-fuscescens, ex hyp his radian- 

 tibus formatum conglutinatis, membranis modice incrassa- 

 tis, cavitatibus cellularum sat parvis, ellipsoideis, KHO non 

 reagens, HNO3 violaceo-rubricosum. Hypothecium fulvo- 

 fuscescens, hyphis irregulariter contextis, neque HNO3, nec 

 KHO reagens. Hymenium circ. 0,050 millim. crassum, jodo 

 caerulescens, dein vinose rubens. Hymenium superius ob- 

 scure aut rubricose fuscescens, KHO et HNO3 distinctius 

 violaceo-fuscescens. Paraphyses arcte cohaerentes, medio- 

 cres, apice saepe laeviter incrassatae, haud ramoso-connexae. 

 Sporae 8:nae, polystichae, aciculares, rectae aut leviter cur- 

 vatae, decolores, circ. 5 — 4-septatae, apicibus acutis autaltero 

 apice obtuso, long. 0,026 — O 030, crass. O 00I6 — O 002 millim. 

 Gonidia cystococcacea. — L. egenula Nyl., Fl. 1865 p. 147, 

 1872 p. 355, 1881 p. 185, Lieh. Paris (1896) p. 85, apotheciis 

 minoribus, perithecio cyanescente et epithecio decolore aut 



