LICHENES. 



Species calcicola vigens in Afi'ica (Âlgeria) ; in America meridionali ; in Europa, ubi deficiensin 

 regionibus septentrionalibus et in Britannia- .Majore, observata tantum in Anglia ac in Scotia 

 merid. -occident. ; in Beigica; in Gallia septr. nulla, in 

 orient, lecta in uno loco (.Meuse) et in Sabaudia (Aix- 

 les-Bains) ; in occident., in Neustria(in viciniis Rotomagi 

 tantum) et in Cenomanensi pago (Sarthe) ; IVequens in 

 Comilatu Burgundiœ ac in provinciis merid. (in regione 

 Monspeliensi et PyrenaM.s) atque eliam in départ. Haute- 

 Vienne, Lot, Corrèze et Lozère); in Helvetia (in alpibus 

 et in montibus Jura) ; in Austria (Tyrolia, Dalmatia, 

 etc.); in Italia tota ad rupes jurassicas); in Gra;cia ac 

 in Lusitania. 



— Lecidea ochracea Scbœr. 

 (Gross. 750 diam.) 



— f. nubigena Hue ; Callopisma ochraceum p. 

 nubigenum Krempelh. Lidicn.-Fl. Bayerns, 1861, j^g. gl 

 p. 1G3, in Z'f?i/isc/(r. k. bayer, botanisch. Gesellsch., 

 t. IV; Blastenia nubigena MiiU. Kvg., Princip.clas- 



sif. Lich. et Enum. Lich. Genèce, 1862, p. 62, in Mém. Soc. Pliys. et Ilist. na(. Ge- 

 nève, t. XVI. 



DifTert, teste Krempelh. loc. citât.., colore tlialli ochraceo aurantiaco et apotheciis auran- 

 tiacis minutis constanter immersis. 



831. Lecidea tetrastlcha Hue, Notice spores « Licheni blasteniospori » Mass., in 

 Bull. Soc. botan. France., t. LVIII, 1911, p. lxxx ; Lecanora telrasticha Nyl. Âddend. 

 nov. Lichenogr. europ., Contin. XVIII, in Flora 1874, p. 307, Lich. Pyren. orient., 1891.. 

 p. 16, Lich. envir. de Paris, Supplém., I8D7, p. i, atque apud Hue Addend. noi\ Liche- 

 nogr. europ., p. 76, in Rev. L'otan., t. V, 1886-1887, Leight., Lich.-Flora Gr. Brit., 

 éd. 3, p. 224, atque Cromb., Monogr. Lich. Brit., p. 389 ; Gyalecta tetrasticha Jatta 

 Syllog. Lich. itaiic, 1900, p. 454, et Lich. in Flora Italie, cryptog., p. 454; Cnloplaca 

 tetrasticha Oliv., Lich. Europe, in Mém. Soc. nation, scienc. nat. et mathe'm. Cher- 

 bourg, t. XXVII, 1908-1910, p. 112. 



Thallus passim citrinus, passim vitellinus, aut adhuc fere albidus, passim atrato 

 variegatus, tenuissimus, continuus et interdum vage areolatus ; in superficie asperiilus et 

 subtils albidus. Cortex pallido citrinus et saepe atratus, hjdrate kalico hic etillic rubens ac 

 10-40 [j. crassus; ejus hyphœ intricatœ, aliquando verticales, articulatœarticulisbrevibus, 

 septis crassis et lumine 2 jx lato, atque strato cellulas coUapsas praebente, nunc angusto, 

 nunclatotectœ. Gonidiaviridia, protococcoidea, 6-20[j.Iata, membranaincrassata, sub cortice, 

 vel dispersa vel parvos glomerulos formantia. In medulla hyphae 2,3-3 p. crassœ, breviter 

 articulatœ, pariete tenui, tum verticales, tinn varie directae. Apothocia 0,4-0,7 niill. lata, 

 supra thallum dispersa et rotunda,' raro contigua angulataque, in basi parum constricta, 

 perithecio pallido aurantiaco vel luteo, margine intégra et nonprominula ac disco concolore, 

 piano et demum convexe nudoque ornata. Perithecium extrinsecus granulis atrato flavidis 

 et hydrate kalico violaceo purpureo dissolutis repletum et 80 [j. crassum; illius hyphae sur- 

 sum flabellatae, in basi fastigiata», 6-7,5 a crassœ, breviter arliculatœ, lumine 3-3,75 a lato; 

 in lamina apothecii punctum commissurœ non sécante, perithecium non longe subtus conti- 

 nuatum et in basi gonidia admittens; inter ejus hyphas ovalatis calcici cristalli conspicui. 

 Hypothecium incoloratum, lateraliter 20-60 et interne 30-80 [x crassum ac sicut in spccie 

 prœcedente constitutiim. Paraphyses hyalinae et sursum granula, velut perithecium, conti- 

 nentes, 80-100 [). altœ, et in apice 6-7 [l crassœ, arcte coiuTrentes, articulaUe articulis 

 8.75-10, ac in apice i-o y. longis, septis sat crassis et lumine 1,5, et in duobus articulis 



