64 ARKIV FÖR BOTANIK. BAND 13. N:0 13. 



20. Pariiielia urceolata Eschw. 



Eschweiler Icones Selecti 1827, p. 23, tab. XIII, fig. 1 

 Müller, J., Lichenes Schenckiani. Hedwigia vol. X.'X.X., 1891, 

 p. 228. Hue Lichenes Exoticino. 622. Paris 1892, p. 75. Zahl- 

 bruckner Lichenes Mooreani. Annalen des K. K. Naturhist. 

 Hojmuseiims Wien vol. XI, 1896, p. 194. Müller, J. Lichenes 

 Usamharenses. Engl. Bot. Jahrbücher vol. XX, 1905, p. 254. 

 Zahlbruckner Beiträge zur Flechten flora Brasiliens. Bull. Herb. 

 Boiss. 2:e sér. vol. VIII, 1908, p. 463. Ejusd. Lichenes in 

 Ergebnisse der bot. Exp. . . . nach Südbrasilien 1901. Denk- 

 schriften der Math, naturw. Kl. der K. Akad. d. Wissenschaften 

 vol. LXXXIII. Wien 1909, p. (74) 160. Wainio Lichenes 

 in Flora of Koh-Chang. Botanisk Tidsskrift vol. XXIX, 1909, 

 p. 106. 



Thallus 6 — 7 cm. latus, membranaceus, fragilis, laxe ad- 

 pressus vel ad marginem ± adscendens; profunde et irregulariter 

 lacerato-incisus; lobi elongati, 4 — 6 mm. lati, apicem versus 

 saepe flabelliformiter dilatati, sinuato-incisi, rotundati et cre- 

 nulati, ± imbricati. Thallus margine ciliis longis (1 — 3 mm.), 

 furcatis et ramosis crehre instructus, isidiis et sorediis destitutus, 

 rngosus vel undulatus, nitidus; cortex continuus vel (fortuito) 

 ruptus; color glauco-cinereus, subtus niger, ad ambitum late 

 albus (albido- et nigro-variegatus); thallus rhizinis sparsis, 

 nigris instructus vel fere erhizinosus. 



Cortex superior 20—25 [j. altus; hyphae valde adspersae, 

 indistinctae, constricte septatae, arete contiguae, 6 — 7 [J. cras- 

 sae. Medulla alba, 100 — 150 |j. alta, hyphae adspersae, 3 — 4 

 {J. crassae. Cortex inferior niger, 14 — 16 [j- altus. 



Apothecia numerosa, congesta, stipitata, urceolata, non 

 perforata, eciliata, diam. 10 — 11 mm. Margo tenuis, incur- 

 vus, minute crenulatus, receptaculum in lutescentem ver- 

 gens, rugosum et albo-reticulatum, cortex receptaculi de- 

 color vel parte exteriore lutescens, 55 — 65 [j. altus, hyphae 

 pachydermaticae, arete contiguae. Gonidia sub excipulo et 

 infra corticem receptaculi in strato continuo disposita. Exci- 

 pulura bene evolutum, decolor, 15 a altum, hypothecium 

 subdecolor, 15 ^ altum. Discus badius vel rufescens, concavus, 

 opacus, non pruinosus. Hymenium superne flavofuscescens, 

 ceterum decolor, non inspersum, 70 — 80 [x altum, strato 



