165 
tes erant hine inde tantum lenissime fumoso-coeruleseentes, — 
Ambitus sporarum ut in Hepp Abbild. Fi. Europ. t. 74. fig. 656 
ad dextram. 
7. Biatora (sect. Lecidea) Muverani Müll. Arg. 
Thallus K = Ca Cl = tartareo-farinosus, tenuis, hinc inde 
subundulatus v. ad vestigia dendritico-effusa v. minute depresso- 
glebulosa depauperatus, candide albus, indeterminatus, evolatus, 
contiguus, haud rimosus, protothallus indistinctus; apotbecia nu- 
merosa, superficialia, laxe sessilia, basi constriets quasi substipi- 
tata, in thallo albissimo aterrima, evoluta %—1!/; mm. lata, ju- 
niora exigua, concava, prominenter marginata, dein plana, demum 
leviuscule convexa saepeque centro umbonata aut irregulariter 
lirelliformi-costata, intus ‘undique aterrima, sicea madidaque te- 
naciter dura; hypotheecium latum, fusco-atrum; lamina circ. 40 
mikr. alta, pallide fusca et solut. aquosa Jod. impure coerules- 
cens; paraphyses arete conglutinatae; thecae cylindrico-obovatae 
eirc. 30 mikr. longae, superne 8—11 mikr. latae, apice obtuso in- 
crassato-solidae; sporae in aseis octonae, biseriales, parvae, 10 
—12 mikr. tantum longae, ellipsoideae, utrinque rotundato-obtu- 
sae, rarius late ovoideae, dimidio longiores quam latae. 
Habitat in rupibus calcareis montis Grand Muveran paulo 
supra terminum arborum, eum Polyblastia Sendineri et helvetica, 
Sphaerella Schaereri. Anzi, Biatorella hemisphaerica Anzi. 
Prope Leeideam emergentem et L. juranam locanda est. Spe- 
cies colore thalli, forma et duritie apotheciorum, colore laminae 
undique fusco et minutie sporarum insigniter distineta et elegans. 
A subsimili Biatora nivea Müll. Arg. in Flora 1868 p. 391. dif- 
fert hypothallo non coerulescente, thallo pure albo et apotheeiis 
multo magis elevatis, junioribus neutiguam subimmersis. — Am- 
bitus sporarum ut in Hepp Abbild. Fl. Eur, t. 83. fig. 715. 
8. Biatora (sect. Lecidea) deplanatula Müll, Arg. 
Thallus K = Ca Cl = effusus, tenniter subleproso-tartareus, 
contiguus v. demum: tenuiter fracto-rimulosus, e vireseente fuscus, 
superficie sublaevigatus ; protothallus peculiaris deficiens; apo- 
thecia extus intusque nigra, primum innato-adpressa, urceolata et 
exigua, dein adpresso-sessilia mox late aperta et persistenter de- 
planato-plana, anguste marginata, evoluta */—*ıo mm. lata, re- 
liqua saepius °%/,,—*ıo mm. lata; lamina hyalina v. subinde le- 
viter nebuloso-coerulescens, angusta ; epithecium nonnihil coeru- 
