PYRENULA. URCEOLARIA. 105 
PYRENULA. AcHnan. 
RzcreracuLUw universale crustaceum, plano-expansum, adnatum 
, 
uniforme; partiale verruczforme, a thallo formatum, includens vel 
ad basim cingens thalamium solitarium; perithecio simplici, crasso 
(atro), papillato, nucleum globosum  celluliferum totum  vestiente. 
"ch. 
1. PYRENULA xrripA. 
P. crusta cartlagineo-membranacea, levigata, e pallido fusco-cinerascente; apotheciorum 
verrucis glabris, clausis, thalamii supremam partem. prominentem nudam rugulosam , demum 
ostiolo depresso perforatam arcte cingentibus. 7c/. 
Pyrenula nitida cA. &ynops. Lich. p. 125.—Synops. Plant. «q. 1. p. 20. 
Verrucaria nitida Lichenogr. unip. p. 279. 
Sphzria nitida Sowerby. Engl. Jung. t. 275. 
Crescit cum pr«cedente , ad arbores. 
2. PYRENULA mwancmarA. T 
P. crusta carülagineo-membranacea, levigata, e pallido fusco-cinerascente, late nigro- 
limitata; apotheciorum verrucis subdepressis, glabris , clausis , apice minutissime papillatis. 
Pyrenula marginata Synops. Plant. eq. 1. p. 20. 
Crescit ad corticem arborum in frigidis, prope Succhubambam, alt. 1407 hex. (Regno 
Peruviano.) 
URCEOLARIA. Acnan. 
Rzcrrracuruw universale crustaceum, plano-expansum, adnatum, 
uniforme; partiale scutelliforme. Lamina proligera concava, colorata, 
cruste immersa, intus striato-cellulifera, margine, a crusta formato 
et eidem concolori, sessili, elevato, cincta. Zch. 
