Gyalectaceae ■ — Ectolechiaceae. 71 



_ * f. foliicola A. Zahler. (Cat. Lieh., 1. c.) Tonkin: Auf lebenden 



Wedeln von Nephrodium sagenioides in der tr. St, im Tälchen Ngoikoden bei 

 Phomoi, 150 m (11). 



Gyalecta A. Zahlbk. 



**G. (sect. SecoUga) alutacea A. Zahler. 



^, Thallus pro maxima parte endolithicus, extus raaciila lata expansa, fiilves- 

 centi-glaucescente, opaca, KHO— , CaClgOa — indicatus, continuus, parum inae- 

 qualis, sorediis et isidiis nuUis, in margine Unea obscuriore non cinctus ; gonidia 

 ad Trentepohliam pertinentia. 



Apothecia habitu biatorina, crebra, plus minus approximata, sessilia, 

 minuta, 0,4 — 0,6 mm lata, rotunda, e concaviusculo demum leviter convexa, 

 hymenio elapso albida; discus alutaceo-lutescens, opacus, epruinosus: margo 

 thallinus discum primum superans, demum modice depressus, integer, tenuis, 

 siccus cum disco fere concolor, madef actus aquoso-nigrescens ; excipulum dimi- 

 diatum, subchondroideum, decolor et pellucidum, in margine tantum anguste 

 obscuratum, ex hyphis intricatis formatum, gonidia pauca includens; hypo- 

 thecium lutescens, molle; hymenium superne anguste obscuratum, non pul- 

 verulentum, caeterum decolor, purum, 30 — 40 f.i altum, J coerulescens ; paraphyses 

 filiformes, strictae, simplices, eseptatae, ad apicem haud latiores, modice con- 

 glutinatae; asci oblongo-clavati, superne rotundati, Sspori; sporae in ascis 

 2 — Sseriales, decolores, parvulae, anguste fusiformes, rectae, 4 — 6loculares, 

 septis tenuibus, ad septa non constrictae, membrana tenui cinctae, halone non 

 praeditae, 5 — 6 /j, longae et ad 1 jli latae. 



NW-Y.: Auf kristalHnischem Kalk in der str. St. des birm. Mons. bei der 

 Seilbrücke ober Wuli am Lu-djiang (Salwin) oberhalb Tschamutong, 1725 m, 

 14. VIII. 1916 (9783). 



Ectolechiaceae, 

 Sporopodium Mont. 



A. Thalli superficies trichomatibus instructa; apothecia fusco-livida vel 

 umbrina ^- Handeln. 



B. Thallus in superficie nudus; apothecia primum lacteo-pruinosa, demum 

 plus minus nigricantia 1- albonigrum. 



i. **Sp. albonigrum A. Zahler. 



Thallus epiphyllus, uniformis, submembranaceus, maculas minores, irre- 

 guläres vel subrotundas, usque 10 mm latas formans, substratum arcte obdu- 

 cens, tenuissimus, griseus vel griseo-albicans, fere opacus, KHO — , CaCl2 02 — , 

 continuus, trichomatibus non obsitus, sorediis et isidiis nuUis, in margina hnea 

 obscuriore non cinctus, fere homoeomericus, gonidiis cystococcoideis, cellulis 

 laete viridibus, globoais, 9 — ^12 ^t latis. 



Apothecia vulgo dispersa, sessilia, minuta, ad 0,2 mm lata, primum lacteo- 

 pruinosa, demum plus minus nudata et nigricantia, rotunda, ad basin non con- 

 stricta, e concaviusculo subplana, in margine tenuiter et integre elevata ; exci- 

 Pulum distinctum non evolutum; hymenium superne strato gonidiah non ob- 

 ductum, palhde umbrinum, caeterum decolor, purum, J cuprec-luteseens, 120 usque 



