184 HEPATICjE. 



Found on the Continent (Germany). 



Obs. — Distinguished from Cci^lt. divaricafa (Sm.) by its 

 paroicous inflorescence, Lracts more highly connate, entire brac- 

 teole, not bifid or ever free; remarkable at first sight by its 

 swollen involucre. 



Description of Plate LXX. — Fig. 1. Plants natural size. 

 2. Fertile stem with perianth x 24 (nr. Warrington, W. Wilson). 

 3-5. Leaves x 85 (ditto). 6. Leaf x 64 (Custrin, Germany, 

 Flotow, Hb. Limpricht). 7. Portion of leaf x 290 (nr. War- 

 rington, W. Wilson). 8, 9. Stipules x 85 (ditto). 10. Sub- 

 bract X 64 (Custrin, Flotow). 11. 1st sub-bract x 64 (nr. 

 Warrington, W. Wilson). 12. 2nd sub-bract x 64 (ditto). 

 13. 3rd sub-bract x 64 (ditto). 14. Sub-bracteole x 64 (Custrin, 

 Flotow). 15. Antheridium x 85 (ditto). 16. Bracts x 84 

 (nr. Warrington, W. Wilson). 17. Cross-section of perianth 

 near the base x 24 (Cornwall, Curnow). 18. Ditto, near the 

 middle (ditto). 



18. Cephalozia elachista (Jac/>:), Lindb. 



Jungermania elachista, Jack, in G. & R. Hep. Eur. no. 574 (1873) ; Limpr. Ki ypt. 



Schl. 1. p. 296 (187(5). 

 Cephalozia elachista, Lindb. Hep. in Hib. p. 502 (1874); tSpruce, On Cephalozia, 



p. 70 (1882). 



Monoicous, clado- or acrocarpous, laxly csespitose, small, pale 

 green. Stem rooting at the base, rootlets few, distant, very deli- 

 cate, prostrate, subaphyllous, with few branches. Leaves distant, 

 subimbricate only towards the apices of the fertile branches ; 

 oval, deeply acutely bilobed, segments broadly subulate, acuminate, 

 incurved, entire or furnished with one or two teeth ; cells small, 

 subquadrate or elongate, pellucid, sub-leptodermous, walls thin, no 

 thickened angles or trigones. Stipules minute, entire or bifid, 

 acuminate, sometimes wanting. Branches ? short or elongate, 

 often innovantly proliferous ; bracts much larger than the leaves, 

 partly free, deeply bilobed, denticulate or subspinulose ; segments 

 finely acuminate. Bracteole similar. Perianth elongate, trigonous- 



