56 A.-M. HUE. 



in utroque apice loculosangustos tubulo junctos ostendentes, 13-14 p longae et 6-7 ;x latae, 

 immixtismagis ellipsoideis 15 \x. longis et 9 glatis. Gelatina hymenialis iodo caerulescens. 

 Vigel in Africa (.Egypto et Algeria) ; in America borea ; in Europa. 



— Var. lychneaWain. /,*>/(. in ricin. Viburgi observ. (l876)p.50;Parme//a candelaria 

 Y lychnea Ach. Method. Lich. (1803) p. 187 pr. p. ; Lecanora candelaria 8 lychnea Ach. 

 Lichenogr. w/m\(1810)p. 417 et Synops. Lich. p. 192; Parmelia parietina m. lychnea 

 El. Fries Lichenogr. europ. reform. (1831) p. 73; Physcia parietina var. lychnea Nyl. 

 Synops. Lich. 1(1858-1860) p. 411 ; Physcia lychnea Nyl. Lich. Scand. (1861) p. 107 et 

 apud Hue Lich. exot. n. 937; Xanthoria lychnea oc pygmœaTh. Fr. Lichenogr. scand. 

 (1871) p. 146 ; Theloschistes parietinus var. lychneus Tuck. Gênera Lich. (1872) p. 20; 

 Th. lychneus Tuck. Synops. North Americ. Lich. 1(1882) p. 40; Xanthoria polycarpa 

 var. lychnea W ain. Lich. Sibir. merid. (1896) p. 12; Physcia parietina var. laciniosa 

 Linds. Mem. S permog. filament. Lich. (1859) p. 251 et tab. XIV, fig.2-4; Ph. controversa 

 Mass. Sched. crit. (1855) p. 42; Theloschistes confroversus var lychneus Mtill. krg.Lich. 

 Spegaszin. (1889) p. 39; Xanthoria candelaria Arn. in Flora 1879, p. 362; [Lichen cande- 

 larius L. Spec. Plant, n. 12 curn hac varietate plures alias species varietalesve in ejus 

 herbario complectitur, conf. Wain. Revis. Lich. in herb. Linn. asserv. n. 3 ; idem affirmât 

 celeb. Th. Fr. Lichenogr. scand. p. 147 de Parmelia candelaria Ach. Method. Lich. 

 p. 187 seu de Lecanora candelaria Ach. Lichenogr. univ. p. 416 et Synops. Lich. p. 192 

 quoad specimina in Acharii herbario jacentia); Parmelia parietina S lacitiiosa Schaer. 

 Lich. Helvet. exsicc. n. 381, ç fulva et var. lychnea Schaer. ibidem n' s 381, 383 et 549 ; 

 Parmelia controversa a lychnea, p laciniosa, y fui va Hepp Flcchten Europ. n is 871-373; 

 Xanthoria candelaria f. lychnea Arn. Lich. Monac. exsicc. n. 228; Physcia lychnea 

 Nyl., Olivier Herb. Lich. Orne n. 67, Flagey Lich. Franche-Comte' n. 168, Harmand Lich. 

 Lothar. n. 361 et Johns. The North Engl. Lich. Herb. n. 89. 



In America : in Louisiana legit abb. Langlois ad antiquos tumulos, Natchitoches, n. 31, 

 25 septembris 1885; sterilis. 



Thallus pallide vel aurantiaco-flavus aut fulvus, plagas sat magnas et sa?pe interruptas 

 formans, tenuis, opacus K supra violacée purpureus ; laciniae brèves, angustse, 0,5-1,5 

 raro 2 mm. latae, sine ordine dispositae, saepe adscendenles, marginibus et apice micro- 

 phyllino-dissectae atque simul granulalo-pulverulentae vel subsorediatae; subtus albidae 

 atque rhizinis parvis et concoloribus munitae. Notae anatomicae ut in forma genuina, sed 

 cortex superior paulo magis latus, 20-40 ;x metiens, inferior autem paulo minus angustus 

 20-25 [j. latus. Apothccia rara, in exsicc. Schaer. 383,0,6-1,5 mm. lata, margine tumido 

 et aliquando subsoredioso lhallo concolore atque disco laelius colorato ornata. Sporae 

 13-15 [x longae et 6-8 p. latae, immixtis 15 \x longis et 9 glatis ; apud Th. Fr. Lichenogr. 

 scand. p. 147 angustiores indicantur, 11-16 ( a longae et 5-7 u. latae. Gelatina hymenialis 

 iodo caerulescens et dein fulvescens, thecis persistenter in apice caerulescentibus. 



Vigetin Àsia borea (Sibiria et Lawrence-Bay); in America septentiionali, meridionali (Bolivia) et 

 australi (Fuegia) ; in Europa. 



Sectio II. — Euphyscia Th. Fr. 



Lichenogr. scand. (1871) p. 13o, Wain. Étude Lich. Brés. 1(1890) p. 139. 



Hypotheciiim albidum aut pallidum. 



A. — Albidx Wain. 

 Étude Lich. Brés. I, p. 139. 



Thallus subalbidus, K superne flavens. 



