Pyrenula] ii. pyrenolichenes (Wainio). 453 



No. 187- Ad corticem Entandrophragmatig angolensis in sylvis primi- 

 tivis prope Sange. No. 205. Ad corticem Zanthoxyli in monte Alta 

 Queta. No. 339 pr. p. 



Sporse 8naB, 3-septata3, nigricantes, long. 0-017 ad 0-019, crass. 0-0055 

 ad 0008 mm., loculis lenticularibus. Paraphyses simpliees. Peri- 

 thecium basi deficiens (in no. 187), oavitate depresse conoideo-sub- 

 globosa aut fere hemisphserica. No. 205 ad var. AngoUnsem Wain, 

 pertinet, pseudostromatibus tenuioribus et ostiolo minore, baud pallide 

 annulato dignotam. Incertum est, anne cum P. Ackariana confluit. 



2. P. (subg. Eupyrenula sect. Dimidiata) conica Miill. Arg., 

 Lich. Afr. Occ, p. 43. 



Ad corticem arboris prope flumen Quillu leg. Soyaux, teste 

 Miill. Arg., I.e. 



3. P. fusoolurida Wain., sp. n. 



Thallus endophlceodes, macula fuscescente vel partim testaceo? 

 fuscescente indicatus, Isevigatus, hypothallo nigricante limitatus. 

 Apothecia verrucas 0-5 ad 0-8 mm. latas, depresso-hemisphEericas, 

 nigras vel fusco-nigras, subnudas, opacas, vertice convexas aut 

 demum umbonatas formantia. Peritbecium fuligineum, basi 

 deficiens, hemisphsericum, latere anguste alato-dilatatum. Sporse 

 8nse, oblique monostichse, 3-septatse, loculis sat sequalibus, fusces- 

 centes, long. 0-014 ad 0-017, crass. O'OOG ad O'OOT mm., apicibus 

 obtusis. 



Sierra Leone. — Ad corticem arboris "Hog-Plum" (i.e. Spondias 

 Momhin L.), prope Freetown cuUk. No. 247 pr. p. 



4. P. parva Wain., sp. n. 



Thallus endophlceodes, macula albida aut albido-pallescente 

 indicatus, Isevigatus, hypothallo nigricante limitatus. Apothecia 

 verrucas 0-2 ad 0-25 mm. latas, depresso-hemisphsericas aut 

 hemisphsericas, nigras, opacas, strato thalUno tenuissimo amorpho 

 pellucido obductas, vertice convexas formantia. Perithecium 

 fuligineum, dimidiatum, basi deficiens, baud alatum. Sporse Snse, 

 distichse, S-septatse, loculis sat sequalibus aut apicaUbus difformi- 

 bus, pallidse aut demum etiam obscurata;, long. 0-014 ad 0-016, 

 crass. 0-005 ad 0-006, apicibus obtusis. 



Sierra Leone. — Ad corticem arboris " Hog-Plum," prope Freetown 

 caltse, cum specie praecedente. No. 247 pr. p. 



5. P. (sect. Pyramidalis) eucalypta Wain., sp. n. 



Thallus tenuis, pallidus, Isevigatus, hypothallo indistincto. 

 Apothecia verrucas O'T (ad 0-5) mm. latas, hemisphsericas aut 

 depresso-hemisphsericas, nigras, strato thallino tenuissimo amorpho 

 pellucido obductas, vertice convexas aut rarius leviter umbonatas 

 formantia. Perithecium fuligineum, compressum, basi tenui 

 leviter convexum, latere anguste alato-dilatatum. Sporse Snse 

 aut abortu pauciores, fuscescentes, 3-septatse, long. 0-030 ad 0-036, 

 crass. 0-014 ad 0-016 mm., apicibus obtusis, loculi apicales inter- 

 mediis paullo minores. 



GoLUNGO Alto. — Ad corticem Fici (Quibebe — i.e. F. Quibeha 

 Welw.) prope Luinha. No. 213 pr. p. 



VOL. II. 30 



