Utdrag ur utländska arbeten. 
155 
— Hab. Is] an di a, in saxosis frigidis ad Reykiavik, Klofa Jökul 
(Krabbe). — Folium inferne valde interrupte pinnatum, gracile, 
flexuosum, segmenta suberecta nec patula. 
ff Loborum serratura denticulatae lobulisve 3 —4-dentatis. 
Cystopteris nivalis Gdgr. Petiolis omnino virescentibus; folium 
30 cm. altum, 6 */ 2 cm. latum, ambitu oblongum, superne longe con¬ 
tractum; segmentis subpatulis, oblongis, apice parum breviterque 
attenuatis, nervis prominulis, brunneis, lobis late obovato-oblongis, 
basi valde dilatata, lobulis ovato-ellipticis, obtusis, apice sæpe sæpius 
iatiuscule tridentato-acutis. — Hab. Islandia in saxosis frigidis ad 
Klofa Jökul et prope Reykiavik (Krabbe). — Species robusta, flexuosa, 
amoene virens; lobi valde minuteque nervosi. 
Grex Polypodii rJiætici L. 
Polypodium polare Gdgr. Folium oblongum, sensim ad apicem 
contractum ; segmentis rectis haud confluentibus, oblongo-acuminatis ; 
lobis obovato-obtusiusculis; lobulis rotundatis, obtusis in apicem 3- 
dentatis, denticulis parvis obtusis; fructibus haud confluentibus. — 
Hab. Lappojnia septentr. in insula Mageröe, Cap Nord (Dr C. 
Reuterman). — Planta 40 cm. alta; folium oblongum amoene virens, 
basi squamatum. 
Polypodium subarcticum Gdgr. Folium ambitu Iatiuscule oblon¬ 
gum, in apicem sat abrupte acuminatum abeuntem; segmentis ad- 
scendentibus, superne longe sensimque contractis, disjunctis; lobis 
oblongo-subobtusis, lobulis obovato-obtutis retusisve, 4 — 5 dentatis, 
dentibus sat profundis, acuto-cuspidatis; fructibus disjunctis. — Hab. 
Suecia borealis, Funnesdalberget Herjedalicæ (F. E. Warodell). 
Recedit a P. condensato [e Helvetia] lobis haud confluentibus a 
2 seq. [lacinulare e Gallia et nychocarpum e Wurtemberg] differt 
lobulis apice pluri (3—4)-dentatis, nec integerrimis vel 2-dentatis. 
Grex Polypodii dryopteridis L. 
2. Segmentorum lobuli dentati vel incisi. 
ff Petioli petiolulique minute villosi. 
Polypodium jemtlandicum Gdgr. Petiolis elongatis, rigidius- 
culis; segmentis rectis, ambitu late oblongo-lanceolatis, basi dilatatis; 
lobulis subobtusis, superne sinuato-denticulatis, inferioribus autem 
usque ad basin crenatis, breviter obtuseque dentatis. — Hab. Sue¬ 
cia borealis in insula Frösön Jemtlandiæ (Wahlstedt). — Habitu 
autecedentis [muricolum e Italia], a quo recedit foliis teneribus, seg¬ 
mentis magis ascendentibus, lobulis multo minus dentatis, minutis¬ 
sime nervulosis. 
