LICHENES EXTRA-EUROPyEI. 39 



In Africa : 1. in ins. Mascarenis legit Frapier. — 2. In ins. Borbonia, in Mafate et sine 

 loco indicato legit fr. Rodriguez, anno 1889; in Salazia et in sylva Belouze legil cl. Chau- 

 vet, 13 februarii 1891 et 1893, et comm. cornes de Poli. — 3. In ins. Mauritii legit fr. 

 Rodriguez, anno 1889. — 4. In ins. Madagascaria, in Imerina, legit fr. Rodriguez anno 

 1890. — 3. In ins. Comoris, in Nossi-Comba, legit cl. domina R. Caillet, altit. 400-600 m., 

 lo martii 1891 et comm. cornes de Poli. — 6. In capite Bonœ Spei legit Drège. Htec 

 omnia specimina africana sterilia. 



Thallus pallide vel subflaventi olivaceus aut obscure seu nigricanti-castaneus, 

 foliaceus, late expansus, plagas usque 23 cent, longas et 13 cent, latas formans, decum- 

 bens, nitidus. late laciniatus, K et CaCl non mutatus; laciniœ 3-4 cent, latœ, raro 

 elongata}, solitariœ et ambitu vixdivisœ, sœpius irregulariter iacinulatse, lacinulis subim- 

 bricatis, sinubus rotundis separatis, ambitu crenatis, apice etiam crenalis, vel subrotundis 

 aut adhuc retusis; supra nervis reliculatis, sœpe validis ornatce atque in maculis retis 

 plus minusve profunde scrobiculata?, nec sorediata?. nec isidiatae, periphcriam versus 

 nervi minus validi et scrobiculi minus profundi ; intus albidœ ; sublus fréquenter 

 bullata^, bullis flavido-albidis, glabris, et inter bullas tomento nigro, sœpe denso atque 

 passim in rhizinas fulcrantes elongato munilœ ; peripberiam versus nunc brunneo- 

 rufescentes nunc nigrescentes atque vixbuUatœ tomentosœque. Cortex superior 40-43 p. 

 latus, albidus et in zona exteriore brunneus, pseudoparenchymaticus, ex hyphis pluri- 

 septatis atque cellulas rotundas vel angulatas, lumine teslaceo, 7-10 [l lato et parieto 

 parum crasso formantibus, constitutus. Gonimia oblonga, 4-3 p lata, 2-5 simul inter 

 hyphas nidulantia, in strato sat crasso sub cortice superiore posita. Medulla latior sub 

 costis quam sub bullis ex hyphis 3-4 [j.latis, pariete tenui, superficiei parallelis et parum 

 ramosis constans. Cortex inferior 30-40 pi. latus in zona inferiore brunneus vel nigrescens 

 et cortici superiori similis ; sub hoc cortice hyphœ tomenti 6-7 [x crassae, articulatœ. 

 pariete nigro vel nigricante, lumine testaceo, nunc solitarite, nunc et sœpius plures 

 aggregatœ. Apothecia 1-3 mm. lata, supra nervos enata, primum cupuliformia et dein 

 applanata, excipulo thallo concolore primum lœvi seu albido seu nigro-tomentosulo, dein 

 lessellato-rugoso, margine integro aut crenulato atque disco obscure rufo, piano vel 

 demum convexe ornata. Excipuli cortex 90-120 u. latus, albidus et extus brunneus, 

 pseudoparenchymaticus cum cellulis oblongis; gonidia pauca sub excipuli cortice in basi 

 apothecii juvenilis, nulla in optime evoluto; medulla crassa ex hyphis 6-8 jjl latis, 

 earum cavitate dimidiam crassitudinis partem occupante; epithecium rufescens ; hypo- 

 thecium albidum;paraphyses 120 [xaltse, 1,3-2 pcrassfe, necramosaî, nec apice incrassata?; 

 sporœ 8"=", hyalinœ, l-septatœ, apicibus acuminatse, 18-27 ^ longœ et 7-9 p. latse vel 

 20-22 p longae et 8-9 (x latœ. Gelatina hymenialis iodo cœrulescens, dein decolorata, 

 Ihecis ambitu persistenter cœrulescentibus. 



Viget insuper in Asia (Sibiria, Tonkin, India, ins. Ceylonia, Java et Philippinis) ; in Africa 

 (Schoa et ins. Sancti Thomœ) ; in Oceania (Nova Zelandia). 



— F. isidiosa Hue ; Sticlina retigera f. isidiosa Miill. Arg. Lich. Beitr. (1882) n. 393 

 ei Lich. Yatab. p. 192, Slizenb. Die Grubchenflecht. p. 126; Sdcta retigey^a Ach., 

 Ilerb. Ind. Orient. Hook. fil. et Thomson, n'^ 1967, 1969 et 1981, in herb. Mus. 

 paris. 



In Asia : 1. in Japonia legit R. P. Faurie in ins. Riishiri, n. 1461, 23 julii 1899 ; in ins. 

 Nippon, in summo monte Hayashine, n. 14012 pr. p., 14junii 1894, inmontibus Aomori, 

 n. 222, 30 maii 1897 et in Tottori,n. 2173, 22 maii 1899; in ins. Yakushima, una ex ins. 

 Riukiu, n. 2338, 2416 et 2430, julio 1900; in ins. Oshima, ex eisdem insulis, n. 2791, 

 julio 1900 e in ins. Shikoku, in monte Tsurugizan, n'= 2477 et 2311, junio 1900. — 2. In 



