LICHENES. 115 



Thallus obscure cinereus, hydrate kalico obscure rufescens, granulato areolatus; in peri- 

 plieria late radiatus; apolhecia nigra, thallo integro cincta; sporœ octonœ, 16-18 p. longœ 

 et 10-11 p. latae ; spermatia 16-22 p. longa et 0,5 p. crassa. 



742. Aspicilia platycarpa Hue; Lccanora (sect. Aspicilia) plat gcarpa Stein., Bcitr. 

 Flechtenfl. Sahara, p. 8, in Stizungsber. kais. Akad. Wissensch. Wien, mathem.- 

 naturw. Classe, t. CIV, 1895, p. 290 (exclus, var.), et Prodrom. Flechtenfl. griech. 

 Festland., p. 41, in ead. eglog., t. CVII, 1898, p. 143. — Calcicola in Sahara et in 

 Grœcia. 



Thallus albus, areolatus; apothecia nigra, leviter cacsiopruinosa, rotunda, non emergentia; 

 sporœ octonae, 10,5-10 p. longae et 8-11 p. latœ; spermatia oblonga, 4-8,5 p. longa et 

 1-2 p. crassa. 



743. A. plumbeola Hue ; Lecanora (sect. Aspicilia) plumbeola Miill. Arg., Lich. collect. 

 par MM. Privât et Bader (conf. supra n. 713). — Saxicola in Helvetia. 



Thallus caesio plumbeus, areolatus ; hypothallus niger; apolhecia fuscoatra, orbicularia, 

 haud emergentia ; sporae octonae, 18-20 p. longae et 9-10 p. latœ. Prope L. Mgrini locanda 

 est. 



744. A. polycromoides ; Lecanora (Aspicilia) polgcliromoides Stein. Lich. persic. 

 coll. a Consule Th. Strauss, in Annal, mgcolog., t. VIII, 1910, p. 230. — Saxicola in 

 Persia. 



Thallus pallido lurido cinerescens, parvas insulas formans, in ambitu radiatus et in centro 

 verrucosus; hypothallus niger; apothecia sicut in A . polgchromate Anzi, sed minora ; sporae 

 octonae, 15-20 p. longae et 9-11 p. latœ. Affinis illi A. polgchromati et prœsertim thallo minore 

 radiatoque differens. 



745. A. prsecrenata Hue ; Lecanora prxcrenata Nyl., apud Hasse, New spec. Lich. 

 south. California., in Bull, Torreg bot. Club, t. XXV, 1898, p. 632. — Graniticola in 

 California. 



Thallus cinerescens, squamulosus, furfuraceus; apothecia nigra, rotunda, margine crenato 

 cincta ; sporae quaternae vel senœ, globulosœ, 20 p.diam. metientes. E stirpe L. cinerex. 



746. A. proserpens Hue ; Lecanora proserpens Nyl. Enum Lich. fret. Behring., 1888, 

 p. 86, in Bull. Soc. Linn. Normand., 4 e sér., t. I, et apud Hue Lich. exot., n. 1486. — 

 Silicicola in Alaska. 



Thallus cinerescens, filamentoso radians, hypothallus obscuratus ; apothecia nigricantia, 

 parum emergentia; sporœ octonœ, 13-15 p. longœ et 7-9 p. latœ. E stirpe L. cinerex. 



747. A. rhsetica Hue; Lecidea rhxtica Hepp in Arn. Lich. exsicc, n. 117, Th. Fr. 

 Lich. arctoi, p. 209 et Nyl in Flora 1866, p. 371, in notula ; Lecanora rhxtica Nyl. apud 

 Hue Lich. exot., n. 1488. 



748. A.rhagadiella Hue; Lecanora rhagadiellaNyl. Addend.nov. Lichenogr. europ., 

 in Flora 1869, p. 409. — Graniticola in Lapponia. 



Thallus albus, rimosus, intus iodo violaceo tinctus, nigricanti limitalus ; apothecia nigra, 

 innata, angulosa, urceolariiformia ; sporœ octonœ, 17-21 p. longœ et 9-14 p. latœ ; spermatia 

 recta, utroque velaltero apice fusiformia, 8-10 p. longa et 1 p. crassa. A cel. Th.Fr. {Lichenogr. 

 scand., p. 273) ad Lecideas refertur. 



749. A. rhizophora Hue ; Lecanora rhizophora Miill. Argov., Lich. Éggpte, p. 15, in 

 Rev mgcolog. 1880 ; Urceolaria rhizophora Delile, Flore d'Egypte, 1813, p. 155, pi. 59, 

 fig. 3, et Flor. xggpt. Illustr.. p. 32 ; n. 979. — Ad lapides silaceos in yEgypto. 



Thallus pallido testaceus, areolatus, in ambitu pallidior et subfimbrialus ; apothecia fusca, 

 innata ; sporœ quaternœ, subglobosœ, 25-30 p. metientes. 



750. A. rhodopiza Hue ; Lecanora rhodopiza Nyl. Lich. Japon. (1890), p. 47, et apud 

 Hue Lich. exot., n. 1486. — Saxicola in Japonia. 



