38 
Pechuel-Loesche. — A Graphina columbiana (Graphide 
obteeta f. eolnmbiana Nyl. ]. c.) differt perithecii margini- 
bus basi convergenter subapproximatis (non junetis), hypo- 
thecio obseure fulvo-fuscescente et sporis minoribus. 
33. Graphina sorediella Müll. Arg., tballus tenuis, ar- 
gillaceo-virens v. einereo-olivaceus, late effusus, dense 
tubereulosus, tuberenla mox vertice aperientia et soredio- 
sula; lirelle exigume, aegre discernende®, tkallo conevlores, 
1a —%, mm long®, eire. '/; mm lats, oblonge, subrecte, 
margines thallini prominuli sed parvi, diseusobtectus, plauns, 
thallo coneolor; peritheeium integrum sed undique sub- 
tenue et virenti-fuscescens v. fuscescenti-pallidum, ad mar- 
gines superne paullo obseurius tinetum; lamina Iıyalina, 
asci angustiusculi, $-spori; spore 25-85 u long:e, cire. 
10 # late, oblongo-ellipsoidew, utrinque subacute, demum 
erebre parenchymatic®, primum hyaline, dein fuscescentes. 
— Liehen modestus, cujus lirellee facile pratervidend:e, 
sed thallus ob granula sorediosnla Phlyctidis speciem men- 
tiens satis peculiaris est. Juxta Graphinam Iuteseentem 
Graphidem Intescentem Krplh. Lich. Glaz. p. 65 loeanda 
est. — Crescit eorticola in planitie depressa scens fnmen 
Quillu: Pechuel-Loesche. 
34. Opegrapha Bonplandi Fee Ess. p. 25, in eortice 
emortuo Palmarum in territorio Loango eum Arthoniis in- 
fra sequentibus: Pechnel-Loesche. 
35. O. prosodea Ach. Method. p. 22; Nyl. Prodr. Nov. 
Gran. p. 568, corticola in planitie secus flumen Quillu: 
Pechuel-Loesche. 
36. drthonia Loangana Müll. Arg., thallus tenuis, al- 
