390 J. Steiner, 



8. Lecanora (Sect. Placodium) crassa Ach., Lieh. Un. p. 413. 

 — Huds. Fl. Ang. IL, p. 530, sub Lieh. 



Auf Erde, Moose überwachsend. 



9. Lecanora (Sect. Aspicilia) calcarea (L.) Sommerf. 



Var. contorta Hoffm. D. Fl. IL, p. 186. 



F. subochracea Müll. Arg. Fl. 1872, p. 467. 



10. Lecanora (Sect. Aspicilia) platycarpa n. sp. 



Thallus medioeris (ca. 1 mm crass.) rimoso areolatus, albus 

 v. subochraceo-albus, ad ambitum hie inde breviter inciso4obu- 

 latus, reag. solit. non mutatus. Areolae majores, plano-con- 

 vexiusculae, subfarinosae. Apothecia singula v. 2 — 3 in quavis 

 areola, tumque confluentia, semper plana, rotunda v. varie 

 angulosa ad 1 mm lt. (v. in var. ad 1 *4 mm), immersa thallum 

 aequantia, nigra, leviter caesio-pruinosa, madefaeta nigra. 

 Margo proprius nullus, thallodes non v. vix spurie prominens. 

 Discus tandem una alterave rima fissus (comp. var.). Lamina 

 p. m. tenuis, epithecio olivaeeo-fusco. Paraphyses late filiformes, 

 septatae et ramosae (comp, diese Sitzb., Abth. I, Bd. Ol, S. 171 

 und Taf. I, Fig. 5). Asci elliptici, sporae octonae incolores 

 globosae, ellipticae v. ovales 10*5 — 16 jx lg., 8 — 1 1 [Ji lt. 

 Hymenium I adh. mox sanguineo rubet. 



Pycnides parvae v. minimae, supra atrae, immersae, saepius 

 congestae et hie inde confluentes. Sterigmata simplicia v. sub- 

 simplicia ramosa. Pycnosporae oblongae v. crasse bacillares 

 4—8-5 [x lg., 1—2 |x lt. 



Var. circummunita Nyl., Fl. 1878, p. 340 sub Lecanora 



circummunita. 



A typo differt thallo, praesertim centroversus magis sub- 

 ochraceo-albo, non areolato sed hie inde leviter rimuloso, super- 

 ficie rugoso-granuloso v. granuloso-subsquamuloso, ambitu 

 saepe distinetius lobulato, faciem, ut jam cl. Nyl ander 1. c. 

 dicit, fere Dipl. gypsacei praebente. Apotheciorum margo non 



