446 I. BiscoLiCHEMES (Wainio). [Art/ionia 



in agro Loandensi (nos. 164 pr. p., 212 pi', p., 398 pr. p., 400 pr. p., 

 461 pr- p-)- -^^ corticem Adausonkv (no. 200), et Eiiphorbice can- 

 delahfi (no. 328 pr. p.) prope Boa Vista. Ad corticem Etiphorbin 

 randelahri frequenter inter Camama et Calumbo (nos. 211 pr. p., 399 

 pr. p.). Ad frutices inter Dande et Bengo (no. 449 pr. p.). Ad 

 corticem Adansoniw in maritimis prope Samba (no. 209) frequenter. 



2. A. lacerata Wain., sp. n. 



Thallus sat tenuis, dispersus laceratusque, quasi lacinias 

 angustissimas elongatas irregularesve formans, glaucescens, 

 opacus, gonidia chroolepoidea (cellulis circ. O'OOS mm.) continens. 

 Apothecia solitai'ia, I'otundato-diffoi'mia, 0'6 ad 0"2 mm. lata^ 

 verrucis leviter elevatis inclusa, disco carneo-pallido, tenuiter 

 pruincso. Hymenium jodo persistenter cservilescens. Paraphyses 

 ramoso-connexEe. Asci pyriformes, long. circ. O'OSO, crass, circ^ 

 0"034 mm. Sporse 4n£e (aut forsan etiam Snse), decolores, 

 demum muvales, septis transversalibus 5 ad 7, cellulis sa 

 numerosis, long. 0-020 ad 0-028, crass. 0-008 ad 0-012 mm. 



Barra do Bengo. — Supra folia Citri ad Convento S. Antonio prop 

 flumen Bengo. No. 317 pr. p. 



?>. A. distenta Wain., sp. n. 



Thallus crassitudine mediocris, leviter inrequalis aut sat 

 Itevigatus, rimosus, leviter nitidus, glaucescens, liypothallo 

 indistincto. Apothecia sat approximata, irregulariter oblonga 

 ellipsoideave aut rotundata ditformiave, long. 1-1 ad 0-4, latit> 

 0*6 ad 0-4 mm., leviter emergentia, disco fusco-nigro, primum 

 pelliculis parce tecta, dein mox denudata. Hypothecium albidum. 

 Hymenium jodo persistenter cferulescens. Epithecium rufescens. 

 Asci ellipsoidei aut ellipsoideo-obovoidei, long. circ. 0-075, crass. 

 0-055 mm. Sporte Snse aut pauciores, nigricantes, oblongse, medio 

 leviter constrictse, murales, septis transversalibus circ. 12, long. 

 0-058 ad 0-078, crass. 0-010 ad 0-011 mm., halone nullo induta?. 

 Ab ^. cyrtode Tuck, et A. distendente Nyl. colore hypothecii et 

 sporarum et apotheciis diffbrmibus ditfert. 



Barra do Bengo. — Ad truncos emortuos arboris Mafumeira (i.e. 

 Ceiba Casear'/a) prope S. Antonio do Bengo. Xo. 354. 



4. A. homoeophana Nyl., Prodr. Fl. Nov.-Granat. ed. 2, p. 236 ; 

 Syn. Lich. Nov. Caled. p. 65 ; Willey, Syn. Arth. p. 51. 



Thallus sat tenuis, sat lajvigatus, continuus aut leviter rimosus, 

 albido-glavicescens, leviter nitidus. Apothecia partini sat approxi- 

 mata, difformia, long. 1-3 ad 0-5, latit. O'S ad 0-4 mm., parum 

 emergentia, disco fusco-nigro, primum pelliculis parce tecto, dein 

 denudato. Hypothecium pallidum. Hymenium jodo vinose 

 rubens avit passim pi-imum levissime ca^rulescens. Epithecium 

 rufescens vel rubescenti-rufescens, KHO olivaceum. Asci sub- 

 globosi, diam. circ. 0-100 ad 0-066 mm. Sporaj Snse (ut videtur), 

 obscuratse, mvirales, septis transversalibus 5 vel pluribus, long. 0-036 

 ad 0-060, crass. 0-014 ad 0-022 mm. Yix nisi sporis obscuratis 

 ab A. macrotheca Fee difFert. 



Dandi:. — Ad RhizoplwraH juxta ostia fluminis Lifune. No. 353. 



