456 II. PYRENOLiCHENES (Wainio). [Pseitdopyrenula 



LiBONGO. — Ad corticem Shizophorce prope flnmen Lifune. No. 367. 

 Dande. — Ad truncos arborum juxta ripas fluminis Lifune. No. 199 



?"■• P- . . . 



Conoeptacula pycnoconidiorum verruculas hemisphasricas 0'2 ad 



0'15 mm. latas, crebre aggregatas, parce etiam confluentes, obscure 



cinerascentes, parcius etiam fulvesoenti-maoulatas, apice demum nigri- 



cantes, materiam fulvam continentes formantia. Pycnoconidia recta, 



apicibus ambobus clavato-incrassatis rotundatis guttulam oleosam 



saepe continentibus, simplicia, long. 0005 ad 0006,' crass. O'OOl ad 



0-0007 mm. 



2. *Ps. subsulphurea Wain., Etud. Lich. Bres. II. p. 205. 

 GoLUNOO Alto. — Ad truncos vigentes Milletice prope Trombeta^ 



No. 206 pr. p. 



LoANDA (0 ad 1000 ped. s. m.). — Ad corticem arborum et fruticum 

 in collibis littoralibus prope Alto da Boa Vista. Nos. 195 pr. p., 

 222 pr. p. 



3. Ps. (Trypethelium) pustulata Wain., sp. n. 



Thallus sat crassus, olivaceo-glaucescens, irregulariter insequalis,. 

 nitidiusculus, bypothallo nullo distincto. Pseudostromata elevata 

 (circ. 2 ad 1'5 mm. alta), subgloboso-hemisphsei'ica, basi abrupta 

 aut passim leviter constricta, 2 ad 3'5 mm. lata, thallo obducta et 

 thallo concoloria, KHO non reagentia, peritbecia 2 ad 6 substrato- 

 separata inoludentia. Perithecium subglobosum, fusco-nigrum, 

 integrum, tenue, ostiolo recte aut oblique disposito, in superficie- 

 pseudostromatis punctum nigrum circ. 0'2 mm. latum, neque 

 umbonatum, nee impressum f ormante. Nucleus jodo non reagens. 

 Paraphyses ramoso-connexse, gelatinam copiosam percurrentes. 

 Sporje Snse, oblongse, apicibus obtusis, 7 — 5-septatse, levissime 

 obscuratse, long. circ. 0'188, crass. 0"042 mm., membrana bene 

 gelatinoso incrassata, strato firmiore sat tenui cavitates subglo- 

 bosas circumdante, in KHO e partibus gelatinosis secedente, ita 

 Lit loculi cellulas omnino liberas formant. 



Ambeiz. — Ad truncum vetustum sed vigentem arboris N-cumbi 

 diotae (i.e. Calesiam antiscorbutica) prope Ambriz. No. 190. 



4. Ps. (Trypethelium) sphserocephala Wain., sp. n. 



Thallus sat tenuis, pallidus, tenuissime sulpbureo- albido- 

 pruinosus, Isevigatus, hypothallo nigricante partim limitatiis. 

 Pseudostromata elevata (circ. 1 mm. alta), subglobosa aut 

 subgloboso-tuberosa, circ. 0'8 ad 1 '5 mm. lata, basi bene constricta 

 strato thallino tenui sulphureo-albido-pruinoso obducta aut parte 

 superiore demum leviter denudata nigricantiaque et tunc macula 

 sulphureo-pallida rotundata 0'5 ad 0'4 mm. lata circa quodvis 

 ostiolum (circ. 0'05 mm. latum) instructa, perithecia 6 ad 2 

 (rarius solitaria) confluentia, extus tuberculo indicata, inolu- 

 dentia, materiam KHO reagentem non continentia. Perithecium 

 fuligineum, integrum, globosum. Sporse Snse, decolores, oblongs, 

 pluriseptatse (IS-septatse), loculis lenticularibus, long. circ. O'OSO 

 ad 0'085, crass. 0-014 ad 0-018 mm., halone nullo indutse. 



LoANDA (0 ad 1000 ped. s. m.). — Ad corticem StercuUm prope. 

 Cacuaco. No. 191. 



