342 S. O. Lindberg. 



f. 1. Mem. Soc. sc. Moden. XVIII, t. 2, f. 1. Mich. Nov. pl. gen. t. 6, 

 f. 3. MoRisoN. PI. oxon. III, sect. 15, t. 6, f. 44. Süll. Moss. U. S. t. 8. 



Exsicc. 



G. R. Hep. eur. fasc. 5 et 6, n. 51 (c. invol.); fasc. 15 et 16, u. 158; 

 fasc. 36 et 37, u. 363 y); fasc. 38 et 39, n. 372. 



In Scandinavia fere semper ad latera umbrosa rupium, praeprimis cal- 

 careanim, crescit haec, ut nobis videtur, forma vegetior, multo rarius spar- 

 siusque fertilis. — Dania, ins. Fyen, Hvidkilde (M. T. Lange), ins. Born- 

 holm, Römie (Th. Jensen). Suecia, ins. Öland, Borgholm (R. Haktman); 

 ins. Gotland, in montibus Norrvangabergen et Thorsborgen (C. Haetman et 

 alii), ins. Stora Carlson (P. T. Cleve et alii); prov. Östergöthland, in monte 

 Omberg (G. Wahlenberg et alii); prov. Vestergöthland, in montibus Billin- 

 gen (P. T. Cleve), Halleberg et Kiunekulle, c. invol. (S. 0. L.); Stockholm, 

 in monte Gåsberget (S. O. L.); in monte Pålsberget ad opp. Gefle (R. Hart- 

 man). Norvegia, ad opp. Holmestrand, c. invol. (P. T. Cleve). 



5. Porella dentata (Haetm.) Lindb. 



Fla^'idula — fiisca, vulgo fusco-viridis, opaca vel rarissime indistincte 

 nitidula, paullum pellucida, planiuscula, cw/le irregulariter pinnato vel sub- 

 dichotomo, apicibus vulgiiis fastigiatis, ramiilis aeqiiilatis, obtusiusculis, sat 

 sparsitolio, fo/iis paullum adpresso-incubis, dorso plaiiiusculis, obliquule ro- 

 tundo-ovatis, apice, lenissime decurvo, rotundato-obtusis, margine plus minusve 

 denticulato. superiore indistincte repando, iobido torto, longe decurrente (vel 

 si mavis cauli adnato), oblique ovato, acuto, margine, praesertim exteriore, 

 maxime recurvo, undulato, repando et denticulato, ad basim dente magno, 

 acuto, muuito, aeqnilongo, sed duas partes solum pariter lato, ac amphiga- 

 strio, cauli adpresso, sat longe decurrente, quadrato-ovali, margine, praeser- 

 tim apicis rotundati, reflexo, undulato, repando et, praeprimis ad basim, acute 

 dentato. 



Jungermannia laevigata (haud Schrad.) Hartm. Skand. Fl. I ed., p. 435, n. 

 2 (1820). 



/. i)latyphylla Wählend. Fl. upsal. p. 395, n. 807, p. p. (1820), FL suec. 

 I ed., H, p. 784, n. 1447, p. p. (1826), et II ed., H, p. 815, n, 

 1447, p. p. (1833). — var, /3 dentata Hartm, Skand. FI. H ed., p. 

 354 (1832). — var. /3 Thuja Hüben. Hep. germ. p, 287, excl, synon, 

 (1834). — varr. (3 Thuja et 7 taxa Hartm. Skand. FI. IH ed., p, 

 321 (1838). 



