- 110 — 



1884, no. 724, saltern pr. p. hue non pertinet). Porina pustulata Ach., 

 Lich. Univ. (1810), p. 309, Syn. Lich. (1814), p. 110. 



Thallus laeviter verruculoso-inaequalis sublaevigatusque aut inter 

 pseudostromata rugoso-inaequalis, nitidulus, glaucescenti-albidus aut stra- 

 mineo-glaucescens, KHO superne leviter lutescens, intus distincte lutescens, 

 GaCloOo non reagens, KHO (CaCloOo) intus rubescens, extus baud 

 reagens (in no, XXI) aut rubescens (in no. XL). Pseudostromata 0,5 — 0,8 

 (raro —1,5) mm. lata, depresso-subglobosa, basi vulgo demum plus 

 minusve constricta aut abrupta, apice applanato aut demum parum im- 

 presso, disco nigro, punctiformi aut raro demum irregulariter dilatato, 

 discum aequante aut raro impresso, apothecia solitaria aut 2 — 3 ( — 6) 

 continentia, intus alba, KHO extus leviter lutescentia, intus lutescentia et 

 demum rubescentia (in no. XL) vel aurantiaca (in no. XXI), GaClaO, 

 non reagentia. Paraphyses increbre ramoso-connexae. Asci subcylindrici. 

 Sporae binae, oblongae, long. 0,064 — 0,106, crass. 0,024 — 0,055 mm. In 

 sporis bene evolutis membrana bene incrassata; in KHO visis strati di- 

 stincti, laevigati et stratum exterius interiore cire. duplo crassius. Sporae 

 et asci jodo persistenter caerulescunt. 



In Porina pustulata Ach. secund. specimen orig., no. 86, a Dufour 

 lectum, in herb. Ach. pseudostromata KHO intus intense lutescentia, dein 

 distincte aurantiaco-rubescentia; in no. 59, item in Gallia lecto, in herb. 

 Ach. pseudostromata intus intense lutescentia, demum intense aurantiaco- 

 fulvescentia, non autem rubentia. In specimine autentico Pert, melaleucae 

 Dub., Bot. Gall. II (1830), p. 673 (no. 23414 in herb. Nyl.) pseudostro- 

 mata KHO intus demum intense fulvescentia, nee rubescentia. 



Ad corticem Arecae catechu prope Stationem navalem in insula Koh 

 Ghang (n. XXI, XL, fig. 10). 



Area: In zonis temperatis et calidis crescit. 



16. P. subnegans Wain., Lich. Nov. Rar. IV (Hedwigia 1907), p. 170. 



Thallus glaucescenti-albidus, tenuis, verruculoso-inaequalis, neque 

 extus, nee intus KHO, GaGUOo, KHO (GaGUOo) reagens. Pseudostro- 

 mata 0,.5 — 1 mm. lata, hemisphaerica, basi abrupta, baud constricta, 

 vertice vulgo eonvexo, thallo concoloria aut partim stramineo-glaucescentia, 

 KHO extus leviter flaveseentia aut non reagentia, intus non reagentia, 

 GaGIgOo non reagentia, KHO (GaGlgOo) non reagentia, apothecia 1 — 2( — 4) 

 continentia, discis punctiformibus, nigricantibus aut obscuratis, KHO non 

 reagentibus, pseudostroma aequantibus aut demum vulgo in verrucula 

 ostiolari leviter prominente ceracea vel ceraceo-nigricante sitis. Sporae 

 binae, oblongae aut ellipsoideae, long. 0,070 — 0,090, crass, 0,028 — 0,040 mm., 

 membrana incrassata, stratis laevigatis, crassitudine sat aequalibus aut 

 strato exteriore duplo crassiore. 



In specimine orig. P. subpustulatae Nyl., Lich. Guin. (1889), p. 52, 

 Lich. Jap. (1890), p. 51, thallus est laevigatus et pseudostromata KHO 

 intus lutescentia. In P. Wilmsii Stizenb., Lich. Afr., p. 140, secund. 

 specim. orig., no. 25453, in herb. Nyl. thallus verrueuloso-rugulosus, 

 discus cinereo-nigrieans, pseudostromata KHO intus lutescentia. In P. 

 diffidente Nyl., Lich. Jap., p. 52, et in P. denotanda Nyl., 1. c. p. 53, 

 pseudostromata KHO intus lutescentia, et in P. exalbescente Nyl., Fl. 1881, 



