ANTIIOCEUO^. 501 



Androecia imbedded irregularly in the frond ; antheridia pale 

 brown, oval, stipitate, stipes 4 cells long by 2 cells thick, 8- 1 in 

 each cavity. 



Dimensions. — Fronds \ to \ inch long and broad, "2 mm. to 

 '3 mm. thick at the middle ; capsule about 1 inch long ; spores 

 •05 mm. ; elaters 'Vlh mm. x '015 mm. ; antheridia '125 mm. x 

 '1 mm. 



Hab. — In damp fallow fields and on ditch banks, &c. Some- 

 what rare. 



1. West Cornwall, rather common, )V. Cnriiow ; Sidmouth, 

 South Devon, Urn. FMa M. Tiiidall ; Somerset, T. Briffain. 

 3. Kent, DHIen'mx. 5. Little Fenton, Staffordshire, 11. Garner. 

 7. Very finely in Corsygedol Woods, Barmouth, Merionethshire, 

 Rev. T. Salwei/ ; Dolgelly, Merionethshire, C. J. Wild. 8. Lough- 

 borough, Leicestershire, Pulteneij; Ditch near Twycross, Leicester- 

 shire, Roc. A. B/oxaii/. 10. 13. New Quay, Kirkcudbrightshire, 

 /. CriAckxIiauk. IG. Hare ; at the side of ditches, Moidart, West 

 Inverness, fruit Oct., /S'. M. ]\[acricar. 17a. Caithness, Rev. 

 D. LilVu-. 



I. Frequent in the counties of Kerry and Cork, Dr. I). Moore. 

 Mount Brandon, W. Vl/mu, 1829; Maghanabo Glen, Z). J/c.<//-f//^, 

 1875, Z JF. Moore §• I). McArdle, 1881, 1897; near Brandon 

 Head, Left cO McArdle ; Glendoon, Co. Antrim ; Kelly's Glen, 

 Co. Dublin, Br. D. Moore ; Sugar Loaf Mountain, Co. Wicklow, 

 Br. E. P. Wrujht. 



Found on the Continent and in North America. 



Obs. — See notes under Anthoeero.'< Icavl'i how to distinguish it 

 from that species. 



One of the most important contributions to our knowledge of 

 this genus is Prof Howe's Monograph on the Hepatica3 and 

 Anthocerotes of California (" Memoirs of the Torrey Botanical 

 Club," vol. vii. 1899). 



Description of Plate CCXXVII.— Fig. 1. Plant natural 

 size. 2. Plant x. 3. Ditto. 4. Cross-section of frond x Ki 

 (Somerset, T. Brittain). 5. Cells x (Sidmouth, Tindall). 

 6. Calyptra x IG (Somerset, Brittain). 7. Cross-section of 



