234 E. A. Vainio, Lecideales. 



0.004 — 0.006 mm, continentia. Ad saxum graniticum in Mustiala Tavastiae 

 austr. (A. Kullhem). 



3. B. calcariella (Nyl.) Blomb. et Forss. 



Enum. Plant. Scand. (1880) p. 82. Lecidea calcariella Nyl. Fl. 1874 

 p. 311; Hue Addend. II (1888) p. 157. 



Thallus verruculosus, dispersus, esorediatus. Apothecia 

 parva, basi demum leviter constricta, demum convexa, im- 

 marginata, nigricantia. Hypotheciura intense fuscescens (aut 

 „infra dilutius" sec. Nyl.), Hymenium parte superiore vulgo 

 olivaceo-nigricans aut „smaragdescens" (sec. Nyl.). Para- 

 physes baud gelatinosae. Sporae fusiformes, apicibus acutis 

 aut obtusis, 3-septatae, long. O.oi? — O.022, crass. O.ooe— O.oo? mm. 



Distr. In rupe calcaria ad Ersby in Pargas in reg. 

 Aboensi (F. Elfving). 



Habitu a B. obscurata var. microcarpa Th. Fr. vix recedit, 

 sed ei baud affinis, paraphysibus baud gelatinosis et bypotbecio 

 superne intense fuscescente ab ea differens. Tballus tenuis, 

 impure albidus, baud sorediosus („leproso-farinosus" a Nyl. baud 

 bene describitur). Apotbecia lat. O.2 — O.4 mm, opaca, nuda aut 

 raro pruinosa. Hypothecium irregulariter contextum, hyphis 

 modice pachydermaticis. Hymenium O.064 — O.oto mm crassum, 

 parte superiore olivaceo-aeruginosum aut olivaceo-nigricans, 

 partim subfuscescens (KHO partes olivaceae non reagentes, 

 partes fuscescentes bymenii et bypotbecii subrubricoso-rufescen- 

 tes). Parapbyses arete cobaerentes, increbre septatae, crass, circ. 

 0.0015 mm, apice circ. O.004 mm clavataeque. Asci clavati, long. 

 0.055, crass. O.020 mm. Sporae disticbae. Gonidia cystococcoidea, 

 globosa aut subglobosa, simplicia, diam. O.ou — O.ooe mm, mem- 

 brana sat tenui, vacuolis lateralibus. 



4. B. sphaeroides (Dicks.) Th. Fr. 



Lich. Arct. (1860) p. 182, Lich. Scand. II (1874) p. 369; Koerb. 

 Syst. Lich. Germ. (1855) p. 213 p. p. Lichen Dicks. Fasc. PI. Crypt. I 

 (1785) p. 9, tab. 2 f. 2. Lecidea Sommerf. Suppl. Fl. Lapp. (1826) p. 164 

 p. p.; Nyl. Lich. Scand. (1861) p. 204 (exci. var.), Lich. Lapp. Or. (1866) 

 p. 150; Stizenb. Lee. Sab. (1867) p. 13 p. p. 



Exs. Stenh. Lich. Suec. Exs. n. 54 B (sec. Th. Fr. 1. c). — Fellm. 

 Lich. Arct. (1864) n. I08 (sec. Nyl. 1. c). — Norrl. et Nyl. Herb. Lich. 

 Fenn. VII (1882) n. 311. 



