"mr EVE Er F E E EE E NEE I EE O E E NEEE EE E RAS E NUS NUNT 
* 
DES LICHENS. 5 
Erib. I. Collemesæ. 
Thallus normaliter filamenta continens admixtis granulis 
gonimis. Apothecia lecanorina, biatorina vel endocarpea; 
coloratio mucilaginis hymeneæ iodo aut nulla aut eximie 
cærulea; spermatia tenuissima, brevia. 
Synalissa, DR. et Mont. — Omphalaria, DR. et 
Mont. — Collema, Ach. — Leptogium, Fr. — 
Obryzum, Wallr. 
Trib. II. Phyllisce:e. 
Thallus fusco-ater peltatus, umbilicato-adfixus, gonidia 
magna pariete cellulari thallino crasso cincta, cavitates 
thalli gelatinoso-cornei dispersas singula implentia. Apothe- 
cia endocarpea; paraphyses propri: nuilæ, sporæ sim plices, 
mucilago hymenea iodo vinóse rubens; spermatia filiformia. 
— Omphalariis accedit hæc tribus. 
Phylliscum, Nyl. (Synalissa, Fr. S.V. Sc.) 
Fam. HT. MYRIANGIACEE. 
Thallus vel potius tota planta æqualiter cellulosa, fructus 
haud discretus, thalamium coloratione modo obscuriore 
paululum a thallo se distinguens, thecas loculis sphæroïideis 
continens ; mucilago hymenea parca sporas ambiens iodo 
vinose dilute rubens. Species unica a me visa minuta. 
Thallus ejus externe niger, intus virescens, tuberculato-glo- 
meratus, siccus molliusculus, fere friabilis. Familia hzc 
sequenti magis affinis quam precedenti. 
Trib. I. IPER ETO 
lunasan. Mont. et Berk. 
