S. 0. Lindberg, Monographia Metzgeriae. 23 



Jungermania rhizophora Nees. in Nov. act. acad. Leop., 12, P. 1, p. 



197, n. 3 (1824)? Spreng. (L.) Syst. veg., 16 ed., 4, P. 1, p. 



233, n. 192 (1827)? 

 Jungermania furcata var. y. linearis Nees. Hep. Java?, p. 11, excl. 



synou. (1830)? 

 var. /3. linearis Nees. in Mart. PI. bras., 1, P. 1, p. 325, excl. 



synon. (1833). 

 Metzgeria furcata a- extensa Nees. Nat. eur. Leb., 3, p. 485, p. p. 



(1838). G. L. N. Syn. Hep., fasc. 4, p. 502, p. p. (1846). 

 Jungermania furcata (hand L.) W. H. in Drumm. Muse, amer., 2 ser., 



n. 177, excl. synon. (1841). 

 Metzgeria furcata Sull. Muse, allegh., p. 67, n. 283, p. p. et excl. 



synon. (1846). 

 Metzgeria myriopoda Lindb. apud Soc. F. Fl. fenn. die 3 Oct. 1874. 



Exsicc. 



Drumm. Muse, amer., 2 ser., n. 177 (forma humilis et perfecte sterilis). 

 Sull. Muse, allegh., 2, n. 283, specimen solum dextrum (forma minor, 

 sine ullis org. gener.). 



Habitat ad rupes umbrosas et arbores. — America septem- 

 trionalis, "in declivibus madidis umbrosis" montium Alleghany 

 Mountains (ster., 1843, W. S. Sullivaut et Asa Gray), Tennessee, 

 Warren Co, Ben Lomond, ad rupes (sine vestigiis org. gener., 

 Apr. 5, 1870, C. A. Fredriksson), ad urbem New Orleans (ster., 

 Th. Drummond). Brasilia, loco non designato (calyptrifera, C. 

 Sello), prov. Minas Geraes, opp. Caldas, Pedra Branca, ad arbo- 

 rem (5 ster., Junii 5), et villa Regnellii, in trunco Citri aurantii 

 (forma minima et omnino sterilis, Nov. 1854, G. A. Lindberg). 



Planta ad 5 cm. usque longa, sed solum 1 mm. lata, lurido- 

 pallida vel viridis, sicca haud nitida, sat pellucida, dichotoma vel 

 remote subpinnata vel interdum subsimplex, linearis et apice quo- 

 que obtusissimo a3quilata, e postica facie caulis et, praecipue in 

 formis minoribus, e marginibus alarum foliacearum prolifera, an- 

 tice maxime convexa — subteres ob alas optime reflexas, ut mar- 

 gines earum sapissime conniventes fiant, haud serpentina, nee 

 alis foliaceis undulatis, antice semper glaberrima, postice in caule 

 et in marginibus densissime, in ipsis alis foliaceis haud vel raris- 



