460 II. PYRENOLiCHENES (Wainio). [Striguki 



GoLUXCK) Am'o. — Ad folia Fici in sylvis densissimis prope Fonte de 

 Capopa (no. 271 pr. p.) et in sylva primitiva prope Quisuculo (no. 288 

 pr. p.). 



2. Str. (sect. Melanothgele) astroidea Wain., sp. n. 



Thallus plagulas 1"5 ad 3 mm. latas f ormans, tenuis, laciniatus, 

 laciniis angustissimis (cifc. 0*2 mm. latis), linearibus aut apicem 

 versus angustatis aut irregularibus, discretis aut centre plus 

 minusve late connatis (rare partim brevissimis cien?eformibusque), 

 planis Ise\'igatisque aut sulca una longitudinali instructLs, glauco- 

 virens, aut demum glaucescenti-albescens, pilis destitutus. Apo- 

 thecia verrucas 0*25 mm. latas, late mastoideo-conicas, basin 

 versus sensim dilatatas et strato thallino obdiictas, apice late 

 nigricantes formantia. Perithecium fuligineum, dimidiatum, 

 basi deficiens. Paraphyses neque ramosse, nee connexse. Asci 

 ventricosi basinque versus incrassatse aut subcylindrici, long. circ. 

 0-040 ad 0-045, crass. 0-011 ad 0-012 mm. Sporaj Snse, distichse, 

 decolores, fusiformes aut fusiformi-oblongse aut parce ovoideo- 

 oblongse, apicibus acutiusculis aut obtusiusculis aut altero apice 

 obtuso, long. 0-013 ad 0-016, crass. 0-004 ad 0*005 mm., 1-septatai, 

 cellulis sat ^equalibus aut altera paullo longiore. Pycnides 

 frequentiores quam apothecia, conceptaculo denudato, fuligineo, 

 dimidiato, basi deficiente, circ. 0-130 mm. lato. Stylosporse 

 oblongse aut ovoideo-oblongae, apicibus obtusis aut rarius rotun- 

 datis, rectse, l-septatse, decolores, 'long. 0-013 ad 0-014, crass. 

 0-003 mm. Hue forsan pertinet Str. elegans var. oxyloha Miill. 

 Arg., Lich. Usamb. p. 293, sine apotheciis (ut videtur) lecta 

 (nomen etiam ineptum). 



GoLUXGO Alto. — Ad folia arborum prope flumen in Varsea de 

 Bumba (no. 260 pr. p.) et prope cataractam fluminis Cuango in Saage 

 (no. 276 pr. p.). Hue evidenter etiam pertinent specimina stylosporis 

 solis lecta ad folia AJchonica- prope Sange (no. 261 pr. p.), ad folia 

 annua Bomhacis buonopozeniiis prope Fonte de Capopa (nos. 293 

 pr. p., 294 pr. p.), ad folia Zanthoxyli in sylvis prope Mussengue 

 (no. 307 pr. p.) in Golungo Alto, sicut etiam ad folia arboris Burseraceai 

 (quag gummi elemi producit — i.e. Caiiarhon edule) in syhis editis ad 

 Dalatando in Cazengo (no. 262). 



3. Str. angustissima Wain., sp. n. 



Thallus plagulas 2 ad 4 mm. latas foi-mans, bene laciniatus, 

 laciniis angustissimis (circ. 0-1 mm. latis), bene convexis, linearibus 

 aut leviter irregularibus, bene discretis aut partim plus minusve 

 confluentibus, at usque ad centrum distinctis et in jugum convexum 

 continuatis, bene varieque ramosis, vulgo bene pilosis, baud 

 sulcatis, glaucescenti-albidis. Apothecia verrucas 0-25 mm. 

 latas, mastoideo-conicas, basin versus sensim dilatatas et strato 

 thallino obductas, apice late nigricantes formantia. Perithecium 

 fuligineum, dimidiatum, basi deficiens. Asci cylindrici aut basin 

 versus attenuati, long. 0-040 ad 0-045, crass. O'OOS ad 0-009 mm. 

 Sporfe Snte, distichse, decolores, fusiformes, apicibus acutis aut 

 altero apice rarius obtuso, long. 0-010 ad 0-011, crass. 0*0025 ad 

 0-005 mm., l-septatse, celluhs tequalibus. 



