ur 
233 
. latior. — Nulli nisi M. opegraphoids Nyl. in Prodr. Nov. Granat. 
p. 111 arcte affinis est a qua ambitu et minutie apotheciorum 
et sporis paullo brevioribus differt, — Creseit in Serra dos 
Orgaos Brasiliae, in foliis Legelise alpestris Gardn. (in Gardn, 
n. 5849), 
303. Arthonia cyanea Müll. Arg. 'Thallus (epiphyllus) tenuis- 
simus, 4—8 mm, latus, anguloso-orbicularis, caesio-albidus, con- 
tinuus, margine effusus; gonidia phyllectidialia; apothecia ?/,—1 
mm, late, anguloso-orbieularia, plara, nigro-fusca, intense eyaneo- 
v. & caesio cyaneo-pruinosa, haud marginata, intus obseura; 
lamina olivaceo-subhyalina, asei subglobosi, 8-spori; sporae 
hyalinse et 4-loculares, 16—19 ix longae, 5—51/, a latae, dacty- 
loideo-ovoideae, superne rotundato-obtusae et latidres, arliculus 
terminalis distincte major. — Species colore pulchre geruginoso- 
cyaneo apotheciorum et thallo albido-caesio valde distincta et 
“ elegans, ex affinitate A. prwinosulae Nyl. in Prodr. Nov. Gran. 
p.573 et A. subgyrosae ejusd. Lich. Kurz. Bengal. n. 17, — Creseit 
in foliis Mapouriae Velhange Müll. Arg. (Rubiacear.) prope Bahiam 
et in frondibus Acrostichi in insula Cuba, in Lindenii n. 2158, 
304. Artkonia trilocularis Müll. Arg. Thallus (epiphyllus) 
pertenuis et vix perspieiendus, olivaceus; apothecia */, mm. 
lata, sicca et madefacte nigra v. potius fusco-nigra, anguloso- 
orbieuleria, immarginsta, late depresso-concaviuscula, nuda et 
opaca, valde tenuis, intus obscura; lamina olivacea, asei obo- 
voidei, 8-spori; sporae hyalinae et 2-septatae s. triloculares, 
cylindrico-obovoideae, 10—12 u longae et 4 a latae, loculi 
. omnes aequilongi. — Prope A. microspermoidem Nyl. in Prodr. 
Nov. Gren. p. 107 in not. et juxta A. aciniformem Stirt, Lich. on 
Leaves p. 7 inserenda est. — Urescit in foliis Menispermacese 
cujusdam (nisi fallor) in Madagascaria (hb. Müll. Arg.). 
805. Artkonie Myrislieae Müll. Arg. Thallus (epiphyllus) 
pertenuis, vage effusus, ex olivaceo-füscescens, laevigatus; apo- 
thecia */, mm. lata, obtuse anguloso- v. subregulari-orbieularia, 
deplanata et valde tenuis, sicca fusco-nigricantia, madefäcte 
distinete fusca; lamina ex olivaceo subhyalina, asci 8-spori; 
sporae clavato-obovoideae, 9—13 u longse, 4 a latae, hyalinse, 
%septatne s. 3-loeulares, loculus superior major. — Species 
juxta proximam Arth. accoleniem Stirt. Lich. on Leaves p. 7 lo 
canda est, a qua colore thalli, apotheciis ei sporis minoribus 
differt, A. subeonveniens 'Nyl. in Flora 1867 p. 440 dissimilis 
est et magis distst. — Creseit in Philippinis in foliis Myristicne 
dracleniae v. longifolise Alph. DC., in Cumingü n. 829. 
