380 B. Kaalaas. 



42. Nardia B, Gr. emend., Lindb. 



Jungermania Schrad. Syst. Samml. crypt. Gew. 2, p. 4 (1797); Sm. 

 Engl. Bot. 21 (1805;, Hook. Brit. Jung. (1816j; Lyell in Hook. Brit. Jung. 

 t. 63 (1816):; Nees., Hep. Eur. 1, p. 275 (1833); Hartm. Sk. fl. ed. 10, 

 2, p. 185 & 137 (1871). 



Nardia B. Gr. in Gray. Nat. arr. brit. pl. 1, p. 694 (1821) ; Lindb. in 

 Act. soc. sc, fenn. 10, p. 115 (1871) et in Bot. not. 



Mesophylla Dum. Comm. bot. p. 112 (1823). 



Alicularia Cord, in Opiz. Beitr. 1, p. 652 (1829); Hartm. Skand. fl. ed. 

 10, 2, p. 129 (1871). 



Southbya Lindb. in Hartm. Skand. fl. ed. 10, 2, p. 130 n. 1 (1871)5 

 Spr. Muse. Pyr. in Trans. Bot. Boe, Edinb. 5, 3, p. 197 (1850\ 



Plantæ robustiores, rarius pusillæ, terrestres vel rupes ma- 

 didas inliabitantes, cæspitosæ, virides, fuscescentes — brunneæ 

 vel fere nigræ. Gaules validi, repentes, ramosi. Folia succuba, 

 disticha, obliqua vel transversa, erecto-patentia, sæpe e latere 

 compressa, orbiculata — late ovata vel subelliptica, integerrima, 

 rarius emarginata vel biloba. AmpMgastria vel [in sectione 

 Eucalyce\ nulla, vel [in sect. Mesophylla] ubique præsentia, in- 

 tégra, triangularia — subulata. Cellulce sat laxæ, rotundato- 

 bexagonæ — quadratæ, ch-loropbylliferæ et corpora æthereo- 

 oleosa includentes. Flores paroici vel dioici. PericJiætium in 

 caule terminale interdum radicans; dracfeæ perichæfii supra 

 hasin periantJiii affixæ et cum perianthio usque ad medium con- 

 natæ, intimæ sæpe etiam inter se concretæ, parte superiore 

 solum liberæ. Periantium bene evolutum, magis minusve emer- 

 gens [in sect. Eucalyce], vel a bracteis pericbætii inclusum [in 

 sect. Mesophylla] denique lobatum. Capsula globosa, quadri- 

 valvis; elateres deciduæ. 



a, Eucalyx Lindb. 

 Nardia sect. 1 Eucalyx Lindb. in Bot. not. 1872 p. 167. 



170. N. crenulata (Sm.) Lindb. 



Jungermania crenulata Sm. Engl. Bot. 21. t. 1463 (1805); Hook: Brit. 

 Jung. t. 37 (1816); Hartm. Skand. fl. ed. 10, 2, p. 135 (1871). 

 Nardia crenulata Lindb. loe. cit. 



Vokser mest spredt eller gruppevis paa fugtig, leret eller 

 sandig, sjeldnere torvagtig jord, især ved randen af veie og 

 grøfter, undertiden ogsaa paa sumpig mark, altid paa kisel- 



