50 A. HUE. 



ncnte cincta atque disco 0,5-1, rarol,2 mill. lalo, atro, planoet nudo instructa. Perithecium 

 incoloratum,nudum, iodo caeruleum, in tnargine 25-40, lateraliter 20 et interne OOpcrassum; 

 illius hyphae in medio apothecio verticales, ramosae, breviter articulais articulis triplice 

 reagente rubrisel inmargine vixaparaphysibus distinctae; sub eo milla gonidia. Parapbyses 

 hyalinae, sursutn olivascentes, 80-180 a alla;, 6 acrassx, recta;, arcte cohaerentes, articulatae 

 articulis 6-8 p. longis, septis crassis cl lumine 2 p. lato, in dimidio aut in trienle superiore 

 cellulas sphaericas vel sphaeroideas 4-5 p. latas, moniliformiter junctas praebentes, in apice 

 breviter ramosae atque iodo caeruleae, mox vinoso rubentcs ac, amoto reagentis excessu, 

 sordide caeruleae. Thecac 100-110 p. longae, computata cauda 10-20 p. longa, 32-35 p. latae, 

 in apice parum incrassatae ; sporee octonee, hyalinae, simplices, granulosae granulis triplice 

 reagente rubris, distichae, exosporio 1,5 p, crasso, 18-22 p longae et 11-14 p. latae, immixtis 

 22-20 <j. longis et 10-14 p. latis. Spermogonia non visa. 



Aspectu magis^l. cinereœ Koerb. quam^l. gibbosœlioevh. similis, atque anatomicis charac 

 teribus priori affinis. 



G28. Aspiciliacontorta Koerb. Syst. Lich. German. (1855), p. 160, pr. p. ; Verrucaria 

 conforta Ho fini. Plant, lichenos., t. I, 1790, p. 97,tab. XXII, fig.3-4, etDeutschl. F/or., 

 II, 1795, p. 186 ; Urceolaria Hoffmanni p. U. conforta Ach. Mclhod. Lich. (1803), 

 p. 145, et Lichenogr. univ., p. 333; U. contorta DC, in Lam. et DC. FI. /'/■., II, 1805, 

 p. 370, ac Floerk. in Berl. Magaz., 1810, p. 121, atque Deutsch. Z^'c/i., 1815, p. 7, n. 30; 

 U. calcaria p. contorta Scbœr. Lich. helvet. Spicileg., I, sect. 2, 1826, p. 74, et Énum. 

 critic.Lich. europ., p. 91; Parmelia calcaria yac. contorta Stenh. iYov. Sched. critica 

 Lich.suecan., XIV, 1833, p. 5; Aspicilia calcaria^. contorta Koerb. Parerg. lichenogr. 

 (1859), p. 95, Arn., Lich. frânkisch. Jura, p. 129, ac Lichenenfl. MiincJi., p. 63, atque 

 Mudd, Manual bril. Lich., p. 162; Lecanora calcaria var. contorta Th, Fr. Lichenogr. 

 scand.,]). 276, Nyl. Observ. lichenolog. Pyren. orient., in Flora 1872, p. 55i, in eod. 

 opusc. seors. impr. p. 27, e Bull. Soc. Linn. Norm., 2 e sér., t. VII, Lich. Pyren. orient., 

 1891, p. 51, atque Lich. env. Paris, p. 65, Tuck. Synops. North Amer. Lich., I, p. 199, 

 ac Cronib. Monogr. Lich. Brit., p. 475; Pachyospora calcaria Mass., Ricerch. Auton. 

 Lich. crust. (1852), p. 43; Lichen rupicola Ho fini. Enum. Lich. (1784), p. 23, tab. VI, 

 fig.3. 



Thallus albus, raro leviter ochraceus et areolatus ; areolae plerumque 1, raro 0,8-1,5 

 mill. latœ, 0,4-0,7 mill.crassœ,rotundae velpassimangulatœ, dispersée autinterdumcontiguae, 

 in apice truncatae, in ambitu depressse ac in superficie lœves ; intus albidœ et subtus etiam 

 albidae aut paulum rufescentes. Cortex albidus vel superne in zona angusta fuscescens et 

 20-50 [xcrassus; ejus hyphae fastigiatœ, 4-6, interdum 8 a crassœ, raro simplices, pleraeque 

 ramosae, articulatae articulis sphœroideis, lumine 2-4 p. lato, ac zona alba 20-35 u. lata cellulas 

 collapsas continente obtectae. Hyphae medullares 4-8 a crassae, intricatae, ramosae ramis anas- 

 tomosanlibuset magnos meatus cristallis oxalatis calcici repletos offerentes atque aliquando 

 basin versus sphaeroideo et constricte articulatae. Apotheeia (fig. 49) sacpe unica, passim 

 duo vel tria in singulis areolis nata, in eis immersa atque thallo integro aut primum tenuiter 

 denlalo et parum prominente cincta atque discum 0,2-0,6 mill. latum, atratum, vulgo conca- 

 vum ac raro nudum, saepe dense albo pruinosum offerentia. Perithecium iodo non tinctum, 

 in marginc 40 el lateraliter 20 p. crassum ac interne aut 3D-60 p. metiens aut a medulla non 

 distinctum ; ejus hyphae horizontales, oblongo et breviter articulatae, stricte coalitœ atque 

 in margine flabcllatae ac sphaeroideo articulatae; sub eo gonidia nulla. Parapbyses in apice 

 olivascentes, zona albida 10-15 p. crassa tectœ, 160-200 p. altae, 6-8 p. crassae, articulatae 

 articulis 6-8 p. longis, septis crassis et lumine 1,5-2 p. lato, in triente vel in quarto superiore 

 moniliformiter articulatae, lumine 2,5-3 p. lato et ramosae, ac iodo leviter caerulescentes et 



