BRITISH JUNGERM ANNIA2. 
(J. undulata J 
J UNGERM ANN 1 A UNDU LATA . 
(TAB. XXII.) 
.Tungermannia, caule erecto, subdichotomo ; foliis bifariis, inaequalitbr, bilobis, undulatis, inte- 
gerrimis; lobis subrotundis, conduplicatis, inferioribus majoribus : fructu term inal; • calycibus 
oblongis, ineurvatis, compressis ; ore truncate, integerrimo. 
Jungermannia undulata. Linn. Sp. PI. n. p. 1598. Syst. Nat. n.p. 705. Pollich, Pal. in. 
p. 186. Weis, Plant. Crypt, p. 120. Weber, Spic. FI. Goet. p. 139. Oeder, Enum. 
PI. FI. Dan. p. 41. Schrank, Baiersclie Flora, n. p. 497. Hoffmann, Germ. ii. p. 85. 
Roth, Germ. in. p. 389. Lamarck, Encycl. m. p. 281. With. p. 856. Linn. Syst. 
Nat. ed. Gmel. n. p. 1350. Huds. Angl. p. 512. Lightf. Scot. ii. p. 776. Lamarck, 
Ft. Fr. ed. 2. v. n. p. 435. Lamarck, FI. Gall. p. 93. Engl. Bot. 225. (the fructified 
specimens in the figure, appear to belong to J. scalaris). 
Hepatica saxatilis, undulata, seminifera. Vaillant, Bot. Par. p. 98. n. 9. t. 19. /. 6? 
Lichenastrum pinnis auriculalis majoribus et non crenatis. Dill. Muse. t. 71. f. 17. 
Hab. Wet situations in various parts of the kingdom; in the alpine districts most 
abundant. 
Obs. It produces fructification in May and June. Mr. Lyell finds the male fructification 
in July. 
Plant growing in large and closely matted tufts of a considerable size. 
Root consisting of a few simple, short, pellucid fibres, produced from the lower part of the 
Stems, which are from one to three or four inches high, either simple, or once or twice 
divided, with nearly erect, dichotomous branches ; their color in the young state a 
dirty greert, at a more advanced period almost black ; sometimes also a yellowish- 
brown : their texture rigid, brittle when dry. 
Leaves (f. f. 5. 8) disposed as in J. nemorosa, in a bifarious and distichous mannei 
(f. f. 3. 5) : the lower ones small, most distantly placed ; the upper ones more crowded, 
slightly imbricated, from a line to a line and a half long ; all of them patent, but, at 
the base, decurrent and seini-amplexicaul, divided into two unequal conduplicate, 
vertical lobes, the lower one of which is the largest, and appressed to the hinder part 
