PLAGIOCHILA 113 
Radula $ Plagiochila Dumort. р. р. Syll. Jung. 42. 1831. 
Plants usually large. The primary stems creeping, radiculose, 
nearly leafless, rhizome-like ; secondary stems foliose, common y 
ascending or suberect, stout, rufous or dark-brown, rarely pallid, 
mostly destitute of root- hairs, simple or dichotomously branched, 
less commonly pinnate, often subdendroid. Leaves large, succu- 
1. PLAGIOCHILA ASPLENIOIDES (L.) Dumort. Rec. d’Obs. Jung. 14. 
1835. Lindenb. Spec. Hep. (Plagiochila), 110. pl. 23. 1839 (2). 
Jungermannia asplenioides L. Sp. Pl. 1131. 1753. Hook. 
"nt. Jung. 2/ 73. 1816. 
Jungermannia porelloides Torrey; Nees, Naturgesch. Eur. 
berm. те 169. 1833. 
Plagiochila porelloides Lindenb. Spec. Hep. (Plagzochila), 61. 
pl. Те: 1839 (2). 
а у Caespitose or scattered among mosses, pale green or 
ng: secondary stems ascending or erect, mostly I-10 cm. 
