— 109 — 



12. *L. monodorae Wain. (Lich. Welw., 1901, p. 403). 



Ad corticem Arecae catechu prope Stationem navalem Lem Dan in 

 insula Koh Chang (no. X). 



Ad banc subspeciem forsan pertinet L. achroella Nyl. in Cromb. 

 Lich. Rodrigu. (1877), p. 439, at specimen orig. malum in herb. Nyl. 

 vix certe determinari potest. Pycnoconidiis ,arcuatis, long. 0,015 — 0,018, 

 crass. 0,0006 mm." descripta est. 



Area: In zonis calidis Asiae et Africae obvenit. 



Trib. 3. Pertusarieae. 

 1. Pertusaria DC. 



13. P. (Lecanorastrum) Bengalensis Wain., Lich. Nov. Rar. IV (Hed- 

 wigia 1907), p. 169. 



Thallus sat tenuis, continuus aut demum rimosus, leviter verruculoso- 

 inaequalis, glaucescens, nitidiusculus, neque KHO, nee GaClgOj reagens 

 (neque superne, nee intus) , KHO (GaCUOo) intus (zona gonidialis et 

 pars superior meduUae) intense violascens, superne minus distincte viola- 

 scens, medulla jodo caerulescens. Pseudostromata 0,7—0,5 ( — 1) mm. 

 lata, elevata, subcylindrica aut vulgo demum basi plus minusve conslricta, 

 crebra, apice demum albo, parce soredioso, apothecium unum continentia 

 aut rarius 2 — 4 confluentia. Discus neque KHO, nee CaCUOa reagens, 

 KHO (CaCloOo) intense violascens. Sporae baud evolutae. Paraphyses 

 ramoso-connexae. Gonidia cystococcacea. Affinis est P. suhvaginatae 

 Nyl., Fl. 1864, p. 619, 1866, p. 290 (Wain., Etud. Lich. Bres. 1, p. 107), 

 at reactione thalli ab ea difTerens. In specimine orig. P. suhvaginatae 

 in herb. Nyl. (no. 23508, coll. Lindig. no. 2658) medulla jodo passim 

 parce caerulescens. 



Ad corticem arboris prope Klong Sarlakpet in Koh Ghang (no. I). 



14. P. (Porophora) sphaerulifera Wain., 1. c. 



Thallus sat tenuis, continuus, leviter inaequalis aut sat laevigatus, 

 glaucescens, nitidus, GaGUO., neque superne, nee intus reagens, KHO 

 baud distincte reagens (aut intus demum dilutissime roseus), medulla jodo 

 non reagente, esorediatus, isidiis destitutus. Pseudostromata globosa, diam. 

 0,5 — 0,7 mm., basi constricta, albida, opaca, GaGUOo non reagentia, 

 KHO intus violascentia, extus dilute violascentia, nucleo baud evoluto. 

 P. thelocarpoidem Nyl., Prodr. Fl. Nov.-Gran. Addit., p. 546, in memoriam 

 revocans. 



Ad rupem in silva prope cataractam in Koh Ghang (no. XIII). 



15. P. pustulata (Ach.) Nyl., Enum. Gen. Lich. (1857), p. 116, 

 Prodr. Lich. Gall. (1857), p. 194, Lich. Scand. (1861), p. 181, Lich. 

 Jap. (1890), p. 51, Lich. Paris (1896), p. 72; Th. Fr., Lich. Scand. 

 (1871), p. 313; Flag., Fl. Lich. Fr.-Gomte (1886), p. 322; Oliv., Rev. 

 Bot. (1890), p. 18; Harm., Gat. Lich. Lorr. (1894), p. 324; Darb., 

 Deutsch. Pert. (Engl. Bot. Jahrb. 1897), p. 604 (Mull. Arg., Lich. Beitr., 



