8 HEPPIEARUM 



anatomicse cum Endocarpo Dufourii ad amussim concordant. 

 Apothecia melius evoluta ; perithecium 40 et lateraliter 80 (a 

 crassum ; sporse 10-12 ix longée et 6 (x latse; apud Nyl. loc. ci- 

 tât., 10-14 (A longée et 6-7 jx latse, 



Supposita Parmelia, endocarpea. El. Fr. recte determinata, 

 viget heec species arenicola in Hispania et in Algeria. 



&. — Thec^ polyspoile. 



3. H. polyspora Tuck. Synops. North Americ. 

 Lich., I (1882), p. 115, et Wain. Etud. Lich. Brésil, I, 

 p. 216, innotula ; H. arenivaga Nyl. Lich. Japon. (1890), 

 p. 104, et apud HnKLich. exot., n° 1115. 



Thallus in specimine a cl. Pringle in Saint-Rita, in 

 montibus Arizona, anno 1884, lecto, in herb. Mus. paris., 

 cinereo olivascens, procumbens, opacus et sqaamosus ; 

 squamse 1-3 mill. latse, rotundse, contiguae aut dispersée, 

 in ambitu marginatse margine crasso et elevato ; supra 

 minute rugulosse; subtus ûavobrunnese ac hj'-phis validis 

 in terram penetrantibus munitse. Hyphse protothallinae vel 

 6-7, vel 14-18 [x crassae, lumine tertiam aut quartam cras- 

 situdinis partem occupante, breviter articulatae, verticales 

 et passim connexe ramosse. Squamae sursum brunneo fla- 

 V9e, inferne pallide flavse et in utroque loco hydrate kalico 

 flavidiores, in centro albo nubilatse et ex toto plectenchy- 

 maticse (excepta zona infera) cum cellulis 8-9 [x latis, sphse- 

 Foideis vel oblongis ac pariete tenuibus, Gonidia viridi 

 cserulescentia, scytonomea, 6-8 |x lata, angulato sphaerica, 

 pauca in parvis glomerulis vaginatis aggregata, inter 

 cellulas hypharum vigentia, in dimidio supero numerosa 

 et in infero rarescentia. Supra stratum gonidiale cortex 

 pallide flavus, 40-50 y. latus, etiam plectenchymaticus cum 

 cellulis majoribus, 16-24 jx latis, pariete incrassato, ac in 

 zona supera 10-20 [x lata cellulas collapsas praebens. Apo- 



