Jungermannia.} HEPATICiE. 1 1 1 



18. J. affinis, Wils. (pah reticulated Jungermannia); stem 

 procumbent simple or branched, leaves roundish concave acutely 

 bifid coarsely reticulated the segments obtuse, those of the peri- 

 chsetium larger than the rest, fruit terminal, perianth (mostly 

 fertile) pyriform plicate contracted and toothed at the mouth. 

 Wils. in E. Bot. Suppl. ined. — J. inflata, Hobs. Br. Jlosses, 

 n. 93. 



Frequent in limestone and marly districts, in moist or shady places 

 under precipitous banks, Cheshire; near Bangor; and Woodlands near 

 Dublin, Mr. Wilxon. Fr. March, Apr. — The procumbent stems, 

 large reticulation and less obtuse segments of the leaves, and above all 

 the plicated upper portion of the calyx, have induced Mr. Wilson to 

 distinguish this from the preceding. 



19. J. excisa, Dicks, (small notch-leaved Jungermannia); 

 stem prostrate nearly simple, leaves patent subquadrate deeply 

 notched, fruit terminal, perianth oblong, the mouth plicated 

 toothed. Dicks. Or. Base. 3. p. 2. t. 8. /. 7. Hook. Br. 

 Jung. t. 9. E. Bot. I. 2497. Lindenb. Syn. Hepat. p. 84 — 3. 

 crispata; leaves longitudinally waved the segments unequal 

 crisped. Hook. Br. Jung. I. c. 



Moist banks in heaths and woods. Fr. Apr. May. — A minute spe- 

 cies, often rendered more conspicuous by its numerous, diaphanous, 

 comparatively large perianths, than by the foliage. 



20. J. ventricosa, Dicks, (tumid Jungermannia); stem pros- 

 trate somewhat branched, leaves patent subquadrate bluntly 

 emarginate the sides incurved, fruit terminal perianth oblong, 

 the mouth contracted plicate toothed. Dicks. Cr. Fasc. 2. j>. 14. 

 E. But.t. 2497. Lindenb. Syn. Hepat. p. 86— Dill. Muse. f. 70. 



/. 14. 



Shady woods and banks Fr. (scarce) Nov.— Allied to the preceding, 

 but Larger and with different!} shaped perianths. Gemma are very 

 abundant on the tips of the upper leaves, where they form balls. 



21. .1. Tiinu'r'u Hook. (Turnerian Jungermannia)} stem 

 procumbent flexuose branched in a stellated manner, Leaves 

 broadly ovate acutely bipartite, segments conduplicate spinu- 

 loso-dentate, fruit terminal, perianth Linear-oblong Longitu- 

 dinally plicated. Hook. Br. Jung. t. 29. /•:. Bot. t. 2510. Lin- 

 d( ah. Hepat. p. 92. 



Shad} bank of a mountain rivulet, near Bantrj . Ireland, Miss HutcUns. 

 /■V. March*— A minute species, with the habit of ./. bici • !| > 1 ' ;l 



no Less beautiful than a ran 



l'l'. J. bicuspiddta t Linn, (forked Jungermannia); stem pro- 

 cumbent branched in a stellated manner, leave- Bubquadrate 

 acutely bifid the segments acute straight entire, fruit radical, 

 perianth linear-oblong longitudinally plicated, the mouth teeth- 

 ed. Linn. Sp. PL p. ] Bot. t 2239, (not 281.) h 

 Br. dun, i. /. I I. Hobs. Br. bosses, u. 2. //. 64. Undenb. \>/u. 

 Hepat. p. 89 Dill. Muse. t. 70 f. 13. 



