456 II. PYRENOLICHENES (Waiiiio). [Pseudojjyrenida 



LiBONGO. — Ad corticem Rhisophora prope flumen Lifune. No. 367. 

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



CoDceptacula pycnoconidiorum verruculas hemisphsericas 02 ad 

 01 5 mm. latas, crebre aggregatas, parce etiam confluentes, obscure 

 cinerascentes, parcius etiam fulvescenti-maculatas, apice demum nigri- 

 cantes, materiam fulvam continentes formantia. Pycnoconidia recta, 

 apicibus ambobus clavato-incrassatis rotundatis guttulam oleosam 

 sEepe continentibus, simplicia, long. 0005 ad 0006, crass. 0"001 ad 

 0-0007 mm. 



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

 GoLUNGO Alto. — Ad truncos vigentes Milhtke prope Trombeta. 



No. 206 pr. p. 



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

 in coUibis 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, hypothallo 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, perithecia 2 ad 6 substrate 

 separata includentia, 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 formante. Nucleus jodo non reagens. 

 Paraphyses ramoso-connexse, gelatinam copiosam percurrentes. 

 Sporae Snse, oblong£e, apicibus obtusis, 7 — S-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 

 ut loculi cellulas omnino liberas formant. 



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

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



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



Tballus sat tenuis, pallidus, tenuissime sulpbureo- albido- 

 pruinosus, Isevigatus, hypothallo nigricante partim limitatus. 

 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-prviinoso 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, inclu- 

 dentia, materiam KHO reagentem non continentia. Perithecium 

 fuligineum, integrum, globosum. Sporae Snse, decolores, oblongae, 

 pluriseptata^ (13-septat0e), loculis lenticularibus, long. circ. 0*080 

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



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

 Cacuaco. No. 191. 



