342 110 
1884, no. 724, saltem 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, 
CaCl,O, non reagens, KHO (CaCl,0,) intus rubescens, extus haud 
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), CaCl,O, 
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 Jutescentia, demum intense aurantiaco- 
fulvescentia, non autem rubentia. In specimine autentico Pert. melaleucae 
Dub., Bot. Gall. If (1830), p. 673 (no, 23414 in herb. Nyl.) pseudostro- 
mata KHO intus demum intense fulvescentia, nec rubescentia. 
Ad corticem Arecae catechu prope Stationem navalem in insula Koh 
Chang (n. XXJ, 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, nec intus KHO, CaCl,0,, KHO (CaCl,0,) reagens. Pseudostro- 
mata 0,5—1 mm. lata, hemisphaerica, basi abrupta, haud constricta, 
vertice vulgo convexo, thallo concoloria aut partim stramineo-glaucescentia, 
KHO extus leviter flavescentia aut non reagentia, intus non reagentia, 
CaCl,O, non reagentia, KHO (CaCl,O,) non reagentia, apothecia 12 (—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. Wélmsii Stizenb., Lich. Afr., p. 140, secund. 
specim. orig., no. 25453, in herb. Nyl. thallus verruculoso-rugulosus, 
discus cinereo-nigricans, pseudostromata KHO intus lutescentia: In P. 
diffidente Nyl., Lich. Jap., p. 52, et in P. denotanda Nyl., 1. ¢. p. 58, 
pseudostromata KHO intus lutescentia, et in P. exulbescente Nyl., Fl; 1881, 
