2i8 The Scottish Naturalist. 



pikes scspe binucleata, .009 — .on X. 0065 — .008 nun.; paraphyses graciles, non 

 bene discretce apicibits fitscesceiitibus coiighitinatis ; hypoihcciiim incolor. lodo 

 gel. hym. cceridescens {saltern leviter) deifi fttlvescens. 



Saxicola (Glas Miel). 



It is questionable whether the thallus is proper to this curious 

 and singular Lecanora^ as Lecidea aro7tiatica is seen (in juxta- 

 position) on the same fragment of stone, and having a thallus of 

 a corresponding character. In every instance the margin is truly 

 caerulescent. 



Lecidea prostratula, sp. n. 



Thallus pallidas vel pallide cinereus, tenuis, sqiiamiclosiis, squarmelis adpressis 

 planis dispersis vel contigicis viargine interdiuji cremilatis, hypot hallo nigra 

 insitis {K—C erythrinosis) ; apothecia nigra sessilia {latit. circiter .6 vim.), 

 playta inarginata dein convexiila et fere i7nmarginata ; sporcB ittcoloi'es, ellip- 

 soidecc simplices, .009 — ,012 x .005 —.006 vim.; paraphyses nonnihil irregii- 

 lares, viediocres, distinctcs apicibus nigris clavatis conglutinatis ; hypotheciiun 

 fusco-nigrum. lodo gel. hym. leviter ccerulescens dein vinose rubens. 



Saxicola apud Craig Var (Kinloch-Rannoch). 



Lecidea filamentosa, sp. n. 



Thalhis albidiis vel pallidiis rugosulus, interdiivi dispersim areolattcs ; apo- 

 thecia pat^a {latit. .2— .4 vivi.), fusco-7tigra, plana acute viarginata, devium 

 conveocula et vix marginatula ; sporcB SncB incolores siviplices, oblongce vel ob- 

 longo • ellipsoidece, .01 1 — .016 x .005 — .006 vivi. ; paraphyses graciles irregu- 

 lares non bene discretce, apicibus sordide fuscescentibus ; hypotheciiivi incolor. 

 lodo gel. hym. carulescens dein lutescens. 



Ad lignum caesum vel fabrefactum prope Killin. 

 K renders the paraphyses distinct as divaricato - ramose 

 threads. 



Lecidea sanguinaria (L.), * subsanguinaria. 



Similis L. sanguinarioe sed thallo intus toto continue vel hinc inde segregatim 

 rubricoso. Thecce inonosporce vel interdum 2-spor(V, .07 —.12 x .032— .054 



mm. 



Corticola prope Kinloch-Rannoch. Thallus extus K-C-. 

 Lecidea hypocyanea, sp. n. 



Thallus pallidus vel pallide cinereus rugutosus, squaviuloso-congestus ; apo- 

 thecia fusca vel fusco-nigra parva {latit. .2—4 mm.), convexa immarginata, 

 scvpissime aggregate vel conges ta (12—30 in quovis glovierulo) ; sporccSmein 

 thecis saccatis, ellipsoideic simplices, .009 — .012 x .006 — .007 mm.; paraphyses 

 non discretce conglutinatcc apicibus concoloribus non clavatis non inspersis, hypo- 

 thccium rufum ; stratum subhymcniale cicrulescens vet intense acrulescens eras- 

 siuscultun. 



