Lichenes Exotici. III. 



31 



alius. 



Supra cacpitcs Campylopodis in saxosis montium Tijuca: 



Ule n 301. 



117. Phlyctidium phyllogenum Mull Arg, L. B. n 1319 ob 



structuram phyllactidialem gonidiorum a Phlyctella Krplh., gencrice 

 separandum est et genus Phlyctidium juxta G y a 1 e c t a m et 



Socoligam locanduni est. 



Quod primum sub Phlyctidio habui 

 idem erat ac Phlyctella Krplh. et dcin prioritatis causa rccusare 

 debui. 



Theiotrema Secoligella 



A 



I 



mus, laevigatus; apothecia '/;; mm lata, subnano-hemisphaerica,regularia, 

 laevigata, centre leviter depressa et in lobulos 3 — C astroideo-sub- 

 dehiscentia; perithecium undique hyalinum et sat tenue, extus thallino- 

 corticatum; hypothecium hyalinum; lamina cum epithecio h\-alina; 

 paraphyses simplices, conglutinatae; asci clavato-obovoidei, 8-spori; 

 sporae irregularitcr 2-scrialcs, fusiformi-ellipsoideae, circ. 50 u longae et 

 18 fi latac, parenchymaticae ; locelli in series transversales 10—14 dis- 

 positi, in quaque serie axili 3 —4— Apothecia prima fronte verrucas 

 exiguas Pertusariae simulant et ob dchiscenti^m astroideam ilia 

 Secoligarum fere referunt. Gonidia quidem haud vidi, scd species, 

 etiam si singularis, bene ad Theiotrema pertinere vidctur et prope 

 subsimile Th. myriocarpum Fee inserendum est. 

 Guyana gallica: Leprieur n. 722. 



119. Allarthonia carneorufa; Arthonla carneorufa WiUey Syn. 



Arthon. p. 1 n. 1, ex speciminulo a cl. auct. benevole misso offert 

 gonidi aglobosa et dein, invitantibus apotheciis, etiamsi laete coloratis, 

 ad Allarthoniam referenda est. Paraph}'ses valde tenellae, intri- 

 catim conncxae. — Supra hgna emortua, Washington Territory, 

 Amer. sept. 



Corticola in 



120. Arthonia SUbgracllls Miill. Arg. (in Lich. Neo-Caledon. 

 n. 96 ad A. gracilem Eschw., quae simillima, sed magis tenella-, 

 relata); thallus cinereo-albus, tenuissimuSj laevigatus; apT)thecia con- 



ferta, linearia, circ, ^a mm longa, 



20—27 



100 



mm lata, simplicia et rarius 



brcviter uniramea, varie arcuata et serpentino-curvata, subintricata, 

 nuda, nigrescenti-fusca; sporae 8-nae, circ. 14 — 17 [i longae 4— 5\'2 u 

 lataCj cylindrico-obovoideae, 4-loculares, loculus superior reliquis major. 

 — Juxta A. gracilem (Eschw.) Mull. Arg. et A. astropicam Krplh. 

 locanda est. — Corticola, Ferme-Modele in Nova Caledonia: Balansa. 



121. Arthonia interstes Mull. Arg.; thallus cum epidermide 

 maculam albam formans; apothecia primum albido-velata, mox autem 

 nuda et bene emergentia, nigra, ^j^ — '/s mm longa, longitudint 

 diametrum semel-ter aequantia, saepius simplicia et recta, utrinque 

 obtusa, interdum brevissime et subconglobato-ramulosa; epithccium 



