458 II. pyrenoliciienes (Wainio). [Porina 
gelatinoso crasso indutse, long. 0-042 ad 0-046, crass. 0-012 mm. 
(strato gelatinoso non computato). P. nucalce Ach. est athnis, 
at apotheciis apice hand impressis et sporis minoribus ab ea 
differens. 
Sierra Leone. — Ad truncos vigentes arboris " Hog-Plum " (i.e. 
Spondiaa Mombin L.) cultre prope Freetown. No. 235. 
2. P. tetracerae (Ach.) Mull. Arg., Pyr. Cub. p. 401 ; Wain., 
Etud. Lich. Bres. II. p. 223. 
Yerrucaria Tetracerce Ach., Meth. Lich. p. 121. 
CAZENGO. — Ad ramulos Alsodeia in dumetosis ad flumen Luinha. 
No. 246- Spora? in hoc specimine long. - 032 ad 0040, crass. - 005 ad 
<>-<)(J7 mm., fusiformes, 7-septata?, strato gelatinoso nullo. Apothecia 
ostiolo fuscescente. Thallus sat tenuis, glaucescens, arete adnatus, 
baud desquamescens. Hypothallus parum distinctus. Dicatur var. 
adnata Wain. Forsan non est autonoma species, quamquam thallo 
a /'. tetracera differens. et intermedia inter P. tetmcera et /'. variegatam 
Fee est. Etiam Wain. Lich. Bras. Exsicc. n. 459 et 507 intermedii 
inter has species sunt, magis cum posteriore congruentes. Transire 
ita hse species videntur. 
3. P. desquamescens Fee, Ess. Crypt. Ecorc. Suppl. p. 75 ; 
Mull. Arg., Lich. Afr. Occ. p. 41 ; Wain., Etud. Lich. Bres. II. 
p. 222. 
Corticola ad flumen Quillu (leg. Pechuel-Loesche) et prope 
Pungo Andongo in Angola (leg. Soyaux), teste Miill. Arg., I.e. 
4. P. Africana Miill. Arg., Lich. Afr. Occ. p. 41. 
Corticola ad flumen Quillu leg. Pechuel-Loesche, teste Miill. 
Arg., I.e. 
5. P. Sangeana Wain., sp. n. 
Thallus epiphloeodes, tenuis, cinereus, sat laevigatas, sat opacus, 
hypothallo nullo distincto. Apothecia verrucas 0*2 mm. latas, 
hemisphoericas, basi demum sat abruptas formantia, amphithecio 
thallino thallo concolore parte inferiore obducta, vertice demum 
late denudato et cseruleonigricante, convexo. Perithecium palli- 
dum, vertice caBruleonigricante. Nucleus jodo non reagens. 
Pai-aphyses simplices, septatse. Asci oblongi, membrana tenui. 
Sporse 8nse, distichse, fusiformes, apicibus sat obtusis aut sat 
acutis, 5- ad 7-septata3. loculis demum sat sequalibus, decolores, 
strato gelatinoso nullo induta?, long. 0'017 ad 0-022, crass. 0*006 
ad 0-007 mm. Sporis ci-assioribus a P. argillacea Miill. Arg. 
diflert. 
Golungo Alto. — Ad corticem arboris Artocarpea?, Musibiri dicte 
(i.e. Myrianthus arboreus), prope Sange. No. 376 pr. p. 
0. P. argillacea Miill. Arg., Lich. Afr. Occ. p. 42. 
Ad corticem prope flumen Quillu leg. Pechuel-Loesche, teste 
Miill. Arg., I.e. 
7. P. (Sagedia) elaeidis Wain., sp. n. 
Thallus tenuis, epiphloeodes, albidus, sat lsevigatus, sat opacus, 
hypothallo nigricante partim limitatus. Gonidia chroolepoidea, 
