3423 Kryptogamen. — Flechten. 
paraphyses plus minus distinetae; sporae 8-nae, simplices, hyalinae, oblongae. Spermogonis 
spermatiis ellipsoideo-oblongis. 
II. Phylliscum Nyl. 
Thallus monophyllus, umbilicatus. Apothecia pyrenodea, in thallo inelusa; para- 
physes indistinetae; sporae 8-nae, simplices, hyalinae, oblongae. Spermogonia spermatiis 
acicularibus, curvatis. 
Fam. III. Omphalariei (Mass.) Forss. 
Thallus gonidiis Xanthocapsae olivaceis instructus. 
I. Collemopsidium Nyl. 
Thallus crustaceus, tenuis, areolato-granulosus, gonidia Xanthocapsae olivacea et 
telam hypharum teneram atque saepe fere inconspicuam continens. Apotheeia minutissima, 
pyrenodea, perithecio dimidiato eincta; asci et paraphyses parcae; sporae 8-nae, 2-cellulares, 
hyalinae, oblongae (saepissime immaturae). Spermogonia incognita. 
II. Enchylium Mass. 
Thallus crustaceus, areolato-granulosus, e gonidiis Xanthocapsae et hyphis extus 
telam pseudoparenchymaticam formantibus, intus ramosis et laxe percurrentibus compositus. 
Apothecia primo clausa, deinde urceolata, lecanorina; sporae numerosae, minutissimae, late 
ellipsoideae, simplices, hyalinae. Spermogenia spermatiis oblongo-ellipsoideis. 
III. Psorotichia (Mass.) Forss. 
Thallus crustaceus, squamulosus vel saepissime areolato-granulosus, areolis interdum 
subcorollinoideis, e ‚gonidis Xanthocapsae conglomeratis et hyphis ramulosis compositus. 
Apothecia primo clausa, deinde 'vulgo aperta, lecanorina, margine thallode interdum excluso 
biatorina. Sporae 8-nae (in 2 spec. plures), simplices, oblongae vel subglobosae, hyalinae. 
Spermogonia spermatiis oblongo-ellipsoideis. 
IV. Peccania (Mass.) Forss. 
Thallus fruticulosus ramulis erectis, teretibus, plus minus divisis, pulvinatis vel 
caespitosis; gonidiis Xanthocapsae instructus, extus olivaceis, intus decoloratis, intra hyphas 
thallum laxe percurrentes insertis. Apothecia terminalia vel sabterminalia, primo clausa, 
deinde disco expanso lecanorina, crasse marginata; sporae 8-nae-plures, simplices, ellip- 
soideae vel subglobosae, hyalinae. Spermogonia spermatiis oblongis vel acicularibus. 
V. Anema Nyl. 
Thallus monophyllus, parvus, umbilicatus, peltatus, gonidiis Xanthocapsae crebris 
telae hypharum densae, pseudoparenchymaticae vel „areolatae“ intextis ornatus. Apothecia 
lecanorina, crasse marginata, primo clausa. Sporae 8-nae, simplices, ellipsoideae vel sub- 
globosae, hyalinae. Spermogonia spermatiis oblongis. 
VI. Omphalaria (Gir.) Nyl. 
Thallus umbilicatus, foliaceus, monophyllus (vel imbricato-squamulosus) lobatus 
vel in laciniis adpressis divisus; tatura generis Peccaniae. Apothecia primo clausa, lecano- 
rina, crasse marginata, interdum persistenter facie pyrenodea; sporae 8-nae vel 24-nae, 
simplices, ellipsoideae, hyalinae. Spermogonia spermatus oblongis. 
Die Uebersicht der Arten giebt Verf. durch folgende analytische Schlüssel: 
1. Oryptothele (Th. Fr.) Forss. 
8s—10 
Or. permiscens (Nyl.) Sporae ram 
15 N r 
Or. africana Müll. Arg. Sporae 7% Apothecia receptaculo distinete celluloso, vio- 
laceo-nigrante, instructa. 
2. Pyrenopsis (Nyl.) Forss. 
A. Spermatia filiformia, curvatula (apud ceteras species hujus generis oblonga vel 
oblongo-ceylindrica). 
P. phylliseina Tuck. 
B. Sporae cca 32-nae (apud ceteras 8-nae). 
P. pleiobola Nyl. Paraphyses indistinctae. 
P. pieina (Nyl.). Parapbyses graciles. 
