105 337 
versus parce aut sat parce inspersus, ceterum laevigatus, medulla alba, 
ambitum versus subtus late nudus, ceterum rhizinis tenuibus brevibus 
crebris instructus, margine passim parcissime ciliato aut fere eciliato, 
subtus fusco-niger, ambitum versus castaneuz, ad marginem anguste castaneo- 
pallescens, KHO superne et intus intense lutescens, CaCl,O, non reagens, 
KHO (CaCl,0,) intus passim levissime obsolete aurantiacus aut passim 
solum lutescens. Apothecia usque ad 5 mm. lata, cupuliformia, sub- 
sessilia, imperforata, disco rufo aut testaceo. Excipulum granulis sore- 
diorum et isidiis parcius inspersum, ceterum laevigatum. Sporae ,ellip- 
soideo-oblongae, long. 0,026—0,036, crass. 0,011—0,016 mm., membrana 
crassiuscula*. Pycnoconidia ,subbifusiformia, long. 0,005 mm.“ (obser- 
vante Nyl.). In rupe prope Le Paz in Bolivia anno 1891 legit M. Bang 
(no. 13). Postea etiam ad ,v. ciliatam DC.“ hoc specimen in herb. 
Nyl. ductum est. 
3. P. latissima Fée, Ess. Crypt. Ecore. Suppl. (1837), p. 119, 
tab. XXXVIII, fig. 1; Hue, Lich. Extra-Eur. I (1901), p. 204. P. glaber- 
rima Krempelh., Fl. 1869, p. 223. 
Var. eristifera (Tayl.) Hue, 1. c. p. 205. P. cristifera Tayl. in 
Hook. Journ. of Bot. 1847, p. 165 (Mill. Arg., Lich. Beitr., Fl. 1888, 
no. 1250). 
Thallus margine sorediosus, intus KHO lutescens et demum rube- 
scens, CaC],O, non reagens, ciliis destitutus, subtus passim rhizinis in- 
structus, ad ambitum late nudus. Ster. 
In trunco Rhizophorae ad flumen Klong Prao in insula Koh Chang 
(no. XX). 
Secundum specimen no. 35399 in herb. Nyl. var. cristifera apothe- 
clis instructa est cupuliformibus, breviter pedicellatis, imperforatis, disco 
testaceo-rufo, sporis ,long. 0,026—0,032 mm., crassit. 0,015—0,018 mm.“, 
pyenoconidiis ,sublageniformibus, long. 0,005—0,007 mm., crass. 0,001 mm.“ 
(secund. annot. Nylanderi in specimine a Jardin lecto e loco incerto). 
Area: In zona aequinoctiali distributa. 
4, P. Claudelii (Harm.) Wain. P. perforata v. Claudelii Harm., 
Cat. Lich. Lorr. (1894), p. 196; Hue, Caus. Parm. (1898), p. 16. 
Thallus margine passim sorediosus, isidiis destitutus, ciliis marginali- 
bus vulgo brevibus (circ. 0,3—2 mm. longis) parce instructus, superne 
albidus aut glaucescenti-albidus, intus albus, subtus fuscescens aut am- 
bitum versus castaneus testaceusve, cortice continuo, haud maculato, 
subtus rhizinis passim crebris instructus, ad ambitum plus minusve late 
aut in eodem specimine quoque solum anguste denudatus, medulla alba, 
KHO superne lutescens, intus primo lutescens, dein rubescens, Ca(Cl,O, 
non reagens. Apothecia ignota. Autonoma est species, in P. perforatam 
Ach. haud transiens. Ad species inter Amphigymnias et Hypotrachynas 
intermedias pertinet. 
Ad corticem Arecae catechu prope Stationem navalem Lem Dan in 
insula Koh Chang (no. X, XL, fig. 1). 
Area: Tantum in Europa et Asia hucusque observata. 
22 
