66 E. A. Vainio, Pyrenocarpeae. 



27. V. terrestris (Am.) Vain. 



Verrucaria acrotella terrestris Arn. in Zwackh Lich. Exs. (1884) 

 n. 924. V. acrotella f. terrestris Arn. Lich. Tirol XXIII (1887) p. 109. 

 V. papulosa f. terrestris Arn. Lich. Frank. Jur. (Fl. 1885) p. 254, Lich. 

 Tirol XXIII (1887) p. 35, Lich. Munch. (1891) p. 112. V. velutina Floerk. 

 Deutsch. Lich. (1821) n. 129 (in herb. Nyl.), haud Thelidium velutinum 

 (Bernh.) Koerb. Non est Lichen terrestris Sm. Engl. Bot. (18071 t. 1681 

 (ad Thrombium epigaeum pertinens), nee Polyblastia terrestris Th. Fr. 

 Lich. Arct. (1860) p. 265, nee Verrucaria lectissima var. terrestris Nyl. 

 Herb. Mus. Fenn. (1859) p. 93. 



Exs. Floerk. Deutsch. Lich. VII (1821) n. 129. Zwackh Lich. 



Exs. (1884) n. 924 (sec. Arn.). — Norrl. et Nyl. Herb. Lich. Fenn. cont. 

 n. 800. 



Thallus sat tenuis, verruculosus, verruculis sat disper- 

 sis aut subcontiguis, obscure cinereis, hypothallo indistincto. 

 Apotheeia crebra, verrucas formantia hemisphaericas, circ. 

 0.22 — 0.i3 mm latas, nigras, nudas, ostiolo minuto, haud 

 foveolato. Perithecium depresso-subglobosum, fuscofuli- 

 gineum, dimidiatum. Sporae oblongae aut ovoideo-oblon- 

 gae, long. O.ou — O.025, crass. O.005 — O.oos mm. Nucleus jodo 

 roseus. 



Distr. Ad terram calcariam prope Pellonkyla in Karja- 

 lohja in Regione Aboensi (nomine ,,V. velutinae" in n. 3415 

 in herb. Nyl.), collecta a J. P. Norrlin. 



In specimine Fennico gonidia pleurococcoidea, glomerulosa. 

 Perithecia basin versus pallida albidave (at perithecia vacua 

 emortuaque integre fuliginea vidi). Periphyses long. O.014— O.020 

 mm, membrana gelatinosa. Paraphyses in gelatinam diffluxae, 

 striis indicata?. Asci ventricoso-oblongi aut clavati, long. O.040— 

 O.070, crass. O.014 — O.017 mm, membrana gelatinosa. Sporae 8:nae, 

 distichae, simplices, decolores, apicibus rotundatis aut obtusis, 

 long. O.014 — O.ois, crass. O.005 — O.oou mm, sec. annot. Nyl. „long. 

 O.016 — O.ois, crass. O.006 — O.007 mm". Nucleus jodo roseus. — In 

 Floerk. Deutsch. Lich. n. 129 nucleus item jodo roseus, para- 

 physes in gelatinam diffluxae, striis indicatae, sporae simplices et 

 sec. annot. Nyl. „long. O.ois— 0. 025, crass. O.007 — O.oos mm", sec. 

 Arn. (Lich. Munch, p. 112) „perithecium dimidiatum, paraphyses 

 nullae, sporae long. O.ois, crass. O.005 — O.ooe mm". A Thelidio 

 velutino et Thrombio epigaeo evidenter differt. 



Obs. 1. V. rupestris f. terrestris Nyl., Coll. Lich. Gall. (N. Bot. 

 Not. 1853) p. 4, secund. specim. orig. n. 3289 in herb. Nyl. est forma 



