287 
Hab... Ad. Jungermännideas in cortice arborum insulae 
Taiti (Lepine). i 
: 5, Brigantiaen argenten Trevis: (Car, di dod. nuoy. 
gen di Lich, p. 5; Spigh. e-pagl. p. 9). 
Br, thallo ‘effuso, tenuissime membranaceo, ob substratum 
inaeguabili, argenteo-nitente, cum hypothallo niven ronfaso 
Jüngermannideas inerustante; apatheciis -Adnatis, punetiformi- 
bus, fuseis, planis, madore vix tnmidis, immarginatis; ascis 
elayatis, 1 — 2-sporis, sıetineis, paraphysibus. tenuisgimis, 
‚apive subinerassatis, vix coloratis . obovallatis; sporis oblon- 
- gis, uteingue ohtusis, Jimbo hyalino 'einetis, 5 eentimillin. 
longis, 25 millimillim. erassis, suceineis. , 
Sin. Biatora argentea Montagn. (in An, des sciehe, 
aatar., III. Ser., Botan, Vel.X. p. 126.) 
Hob, : Ad Jungermannideas in iisdem cum Birigantiaea 
tristi caitieihns insulae Taii (Lepine). 
. Genera itaque Biatorearum, quoram charaierea essen- 
fales suhjunge, sequentia sunt: 
I Biatora Fries (non. Achar.). 
Apothecia prünitns ab excipulo proprio ceraceo 00- 
loraro marginata,. Asci 8-spori, par aphysibus obvallati. 
Sporae puoidene vel ouoideo- oblongae, untloculares, kya- 
Tinge,. nucleo simplich. — : Thallus erustaceus,. effigura- 
tus vel uniformis. . 
(Lepidomu Gray. — Micarea Fries. — Prora, Massal, 
aon ‚allor,. — Fulgeusia Massal. et De Notar)... _ 
- Subgen.-1; Lepidoma, (Thallus etbgurasıs.). - Huc 
Perlinent: 1, Biar, Fulgens Fries (Parmelia fulgens Achar.; 
Falgensia vulguris Massal, et De Notar); ®%. Biat. Du- 
Forrii Rrieg (Psoroma Dufourti Massal.) ; 3. Biat. testacen 
