226 A. Zahler üCKNER: Lichenes. 



plectenchymaticum, gonidia nuUa includens; hypothecium lutescenti-fuscidulum, 

 ex hyphis intricatis formatum; hymenium superne obscure fuscum, non in- 

 spersum, caeterum decolor et purum, usque 75 /^ altum, J intense violaceo- 

 coeruleum: paraphyses filiformes, conglutinatae, strictae, simplices, eseptatae, 

 ad apicem vix latiores: asci ellipsoideo-clavati, superne rotundati et membrana 

 incrassata eincti, 8spori; sporae plus minus biseriales, obscure fuscae, ellipsoideae 

 vel subovales, rectae, utrinque bene rotundatae, uniseptatae, septo tenui, cellulis 

 aequalibus, ad septa non vel vix constrictae, 11 — -13^« longae et 5 — 6 /j, latae. 



Conceptacula pycnoconidiorum sat numerosa, immersa, vertice punctiformi, 

 nigro et convexiusculo prominula; perifulcrium pallidum; fulera endobasidialia ; 

 pycnoconidia bacillaria, recta, utrinque retusato-rotundata, 5 — 6 ju longa et ad 

 1 fi lata. 



\.: Quarzfelsen in der wtp. St. bei Schilungba nächst Yünnanfu, 2100 m, 

 20.11.1914 (166). S.: Phyllitfelsen der str. St. bei Schangliangdse nächst 

 Dötschang, 1770 m, 5. IV. 1914 (1801). 



. ** var. huiliensis A. Zahler. 



Thallus cervino-cinerascens, hinc inde albidus, KHO non tinctus. 



Y. : Quarzblöcke in der str. St. bei Lagatschang am Djinscha-djiang am 

 direkten Wege von Yünnanfu nach Huili, 900 m, 21. III. 1914 (787). 



10. ** B. günnana A. Zahler. 



Thallus epilithicus, crustaceus, uniformis, late expansus, substrato arcte 

 adhaerens, tenuis, cervino- vel umbrino-fuscus, opacus, KHO et KHO + CaCl2 02 

 solutionem fusco-lutescentem effundens, rimoso-areolatus, areolis in ambitu 

 thalli minutis, in centro latioribus, ad 3 mm latis, continuis, planis, fissuris 

 tenuibus separatis, angulosis, hypothallo passim cinereo-nigricanti insidentibus, 

 soredia et isidia desunt; hypothallus ad marginem thalli bene evolutus, niger, 

 hinc inde plus minus dendroideo-ramosus ; Stratum corticale angustum, sordi- 

 descens, plectenchymaticum, pulverulentum ; gonidia cystococcoidea, 9 — ll/< 

 lata; meduUa alba, hyphis non amyloideis. 



Apothecia lecideina, nigra, opaca vel nitidula, epruinosa, adpressa vel 

 sessilia, rotunda, parva, usque 0,7 mm lata, primum concaviuscula vel plana, 

 margine nigro, pertenui, integro et prominulo cincta, demum leviter convexa, 

 raargine depresso; excipulum integrum, infra hymenium incrassatum, fuHgineum 

 vel obscure fuscum, J violascens; hymenium superne anguste et bene limitate 

 nigricans, NO5 in fuscum vergens, leviter pulverulentum, caeterum decolor, 

 purum, 47 — 50 ^< altum, J coeruleum; paraphyses filiformes, strictae, simplices, 

 eseptatae, ad apicem septato-clavatae, conglutinatae; asci oblongo-clavati, 

 superne rotundati et ibidem membrana modice incrassata eincti, Sspori; sporae 

 biseriales, obscure fuscae, breviter ellipsoideae, utrinque bene rotundatae, uni- 

 septatae, septo et membrana tenuibus, ad septum non constrictae, 8 — 9^ longae et 

 3 — 4^ latae. Pycnoconidia non visa. 



S-Y.: Quarzitsteine bei Manhao nahe der Grenze von Tonkin, tr. St., 200 bis 

 400 m, 28.11. 1915 (5791). 



11. **B. subannulata A. Zahler. 



Thallus epiMthicus, crustaceus, uniformis, late expansus et substrato arcte 

 adhaerens, tenuis, ad 0,1 mm crassus, subtartareus, pallide alutaceus, opacus, 

 KHOflavens, CaClgOg — , tenuissime rimosus vel subareolatus, areolis continuis. 



