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apothecia quam in comparata specie panllo minora, magis innato- 
adpressa et discus cum margine concolor. — Calcicola : B.C.S. 
Amphiloma Balfourii, Mull. Arg. : thallus orbicularis, J-l cm. 
latus, medio simpliciter areolatus, margine late radiatim applanato- 
laciniatus, aurantiaco-fulvus v. vitellino-fulvus, levis; sporae 12-14 
[a longae, 6-7 /x latae, medio ventricosae, utrinque obtuse acutatae. — 
Calcicola : B.C.S. 
Amphiloma granuliferum, Mull. Arg. : thallus vix 1 cm. latus, 
miniato-fulvus, medio late areolato-diffractus, margine applanato- 
radians, laciniae et praesertim margines areolarum tuberculis grani- 
fonnibus acute prominentibus exiguis eoncoloribus ornatae, apothecia 
ignota. — Graniticola : Schweinf. 
Amphiloma granuliferum v. subvitellinum, Mull. Arg. : thallus 
e ful vo vitellinus. — Cum forma genuina: Schweinf. 
PSORE^E. 
Pyxine con vex a, Mull. Arg. : thallus ut in P. cocoes , levis et 
intus similiter albus, sed laciniae undique convexulae, nec ultimae 
plano-concavae, apothecia tenuius marginata, demum convexa et 
subimmarginata, e nigrescente caesio-pruinosa ; sporse ut in com- 
parata specie. — Ramulicola : B.C.S. 
LECANORE^E. 
Lecanora notha, Mull. Arg. : similis L. atrse, sed thalli areolae 
leviter rugulosae, magis flavo-cinerascentes, lamina (omnino alia) 
liyalino-virescens, epithecium aeruginoso-nigricans et sporae tanturn 
8-10 /x longae, 7-8 g latae. — Graniticola: Schweinf. 
Lecanora socotrana, Mull. Arg. : thallus albido-llavicans v. sub 
phurescens v. decolorato-albescens, limitatus, crassiusculus, tenuiter 
rimulosus, levis, nudus, intus e flavescenti albus; apothecia 1-1 J 
mm. lata, adpresso-sessilia, margo integer, cum thallo concolor, 
discus planus v. leviter convexus, fuscescenti-carneus v. subgilvus ; 
