234 
306. Arthonia livido-fusca Müll. Arg. Thallus (epiphylius) 
pertenuis, vix distinetus, olivaceo-virens, vage effusus; apothecia 
eire, ‘/, mm, lata, orbieularia, nonnihil angulosa, sicea, coerule- 
scenti-nigra, opaca, valde deplanata, tenuissima, immarginata, 
madefacia statim turgido-convexa et livido-fuscescentia, sub- 
pellucide;, lamina olivaceo-virens, nanissima; asci subglobosi, 
8-spori; sporae hyalinae et 2-loculares, 9—11 a longae, 3 u latae, 
graciliter obovoideae, loculus superior inferiore leviter latior et 
brevior. — Juxta proximam A. aciniformem Stirt. Lich. on Leaves 
p. 7 locanda est a qua colori thalli et apotheciorum et sporis 
ambitu gracilioribus differt. — Habitat in insula Borneo, ia 
foliis Lauraceae eujusdam in Bece. n. 1545. 
307. Arthonia einnabarimula Müll. Arg. Thallus (epiphyllus) 
tenuissimus, argillaceo-virens, laeris, subdesquamescens; systema 
gonidisle pertuso-phyllactideum; apothecia tota !/,—/, mm. 
tantum .‚lata, obtuse astroideo- 2—5-ramea, ramis ambitu latis 
eb obtusis vix longioribus quam latis, tofa coccineo-sanguinea, 
planiuscula, diseus in ipso margine magis opacus; lamina tota 
einnabarino-rubens; ascj- obovoidei, 4—8-spori; sporae hyalinae 
et 2-Ioculares, fantum 6-8 u longae et 2—2"/, « latae, anguste 
cylindrieo-obovoideae, articulus superior inferiore distinete bre- 
vior et latior. — Species distinctissima, nulli arcte afnis, primo 
visu quasi forma perexigua A. einmabarinae. — Crescit in foliis 
prope Apiahy in Brasilia meridionali: Puiggari n. 384 pr. p. 
:308. Arthothelium phyliogenum Müll. Arg. Thallus (epiphylius) 
tenuissimus, subindistinefus, albidus; apothecia '/, nm. lata, 
regulariter orbicularie, Zecideae speciem minutulam simulantia, 
leviter convexa, subruguloss, opaca, nigra, obsolete v. non mar- 
ginata; lamina subhyalina, epitheeium et hypothecium olivaceo- 
nigricantie; asci 1-spori; sporae hyalinae, 70 x longae, eirc. 23« 
latae, oblongo-ellipsoideae, erebre parenchymaticae, transversiut 
eirc, 17—%-septatae, loculi longitrorsum 4—5-septati. — Species 
valde distincte, nulli eognitarum arcte affınis, melano-mierocarpe, 
maäcrospora, sporis solitariis insignita. Apothecia sicea sub- 
similia sunt iis Heterothecii Puigarü, cujus sporae etiam fere con- 
veniunt, sed apothecia, madefacta statim recedunt, nigra rema- 
nent, immarginate v. subimmarginata sunt, caeterumque minor& 
et arcte adnato-adpressa. — Habitat in folis prope Apiahy in 
Brasilia ıneridionali: Puiggari n. 370. 
309. Coenogonium pannosum Müll. Arg. Thallus 1—3 em. 
latus, horizontalis, undique laxe adnafus et dense intrieato-pan- 
