86 
Trib. X. Cornicularieæ. 
Thallus rigidiusculus fruticulosus (seu exceptione 
unica filamentosus) vel sæpius membranaceo-dilatatus, lo— 
balus. Spermatia tenuia vel versus utrumque apicem ob¬ 
solete crassiuscula vel versus alterum modo fusiformiter 
incrassata (tunc fusiformi-clavala forsan polissime dicenda.) 
Tribus Cetrarieis proxima, ab iisque forte haud separanda. 
Platysma*) Hoft’m. (Spec. Pl. cuculla tum , nivale, juniperi- 
num, glaucum, Oakesianum fet var. Laureri Kphnr], sæpincolum). 
Trib. XI. Peltigercce. 
Frons dilatata strato corticali in pagina infera defi¬ 
ciente; apotheeia pelliformia marginalia, ad paginam supe¬ 
ram thalli aut inferam sita, vel in lamina frondis sparsa. 
Sporæ in illis fusiformi-cylindrieæ, in his biloculares fuscæ. 
JSephroma Ach. — Pelligera HofFm. — Solorina Ach. 
Trib. XII. Parmeliece. 
Thallus lobalus, varie divisus aut slellato-lacinialus, apo¬ 
theeia Jecanorina (h. e. a thallo evidentius marginata quam 
in tribu præcedente) vixque nisi in formis degeneratis bia- 
torina (h. e. margine tbailino non cincta). 
S licta Ach. — Parmelia Ach. — Phy scia Fr. (addita Ph. 
intricata). 
Trib. XIII. Gyrophoreæ. 
Thallus dilatatus, peltatus, umbilicato-adfixus. Apo¬ 
theeia lecideina simplicia vel gyrose plicata. 
Umbilicaria Hoffm. 
Series V. P lac o de æ. 
Thallus e crusta consistens variæ indolis (squamosa, 
radiata, granulosa, pulverea aut in infimis nonnumquam 
nulla), absque strato ullo medullari medio e filamentis 
laxe contexto. Apotheeia lecanorina, biatorina, lecideina 
vel lirelliformia. Thallus raro hypophlæodes (hypoxyleiJs 
vel hypolilheus); apotheeia raro thallo omni destituta vel 
in alieno parasitica. 
Trib. XIV. Lecanoreæ. 
Apo thecia lecanorina. 
Lecanora Schær. (Placodium DC. pro max. part. additaque 
Squamaria DC. — Pannaria Del. em, char., speciebus P. mu¬ 
scorum Del., plumbea Del., rubiginosa, Del., brunnea [Ach.] cum 
var. coronata [Hoffm.], nebulosa [Hoffm.], tripiophylla [Ach.], mi- 
crophylla [Sw.] cum var. Saubineti Mont., byssina [Flörke sub 
*) Nomen hoc posterius in Entomologia ut femininum adhibi¬ 
tum est. 
