THE LITTLE ADDERS-TONGUE. 8t 



HABITATS. Heaths, moors, pastures, amongst grass- 

 roots in loamy soil, and in damp positions. 



WHERE FOUND. In England, in the counties of Bed- 

 ford, Berks, Bucks, Cambridge, Chester, Cornwall, Cum- 

 berland, Derby, Devon, Dorset, Durham, Essex, Glouces- 

 ter, Hants (the mainland and the Isle of Wight), Here- 

 ford, Hertford, Huntingdon, Kent, Lancaster, Leicester, 

 Lincoln, Middlesex, Monmouth, Norfolk, Northampton, 

 Northumberland, Nottingham, Oxford, Salop, Somerset, 

 Stafford, Suffolk, Surrey, Sussex, Warwick, Westmore- 

 land, Wilts, Worcester, and York. In Wales, in the 

 counties of Anglesea, Caernarvon, Denbigh, Flint, Gla- 

 morgan, Pembroke, and Radnor. In Scotland, in the 

 counties of Aberdeen, Argyle, Ayr, Berwick, Clack- 

 mannan, Edinburgh, Elgin, Fife, Forfar, Haddington, 

 Kincardine, Kinross, Kirkcudbright, Lanark, Linlithgow, 

 Orkney (including Shetland), Perth, Renfrew, Selkirk, 

 and Stirling. In Ireland, in the counties of Antrim, 

 Armagh, Cork, Dublin, Galway, and Tipperary. It is 

 found growing at various heights up to a thousand feet 

 above the sea-level. 



XVI. THE LITTLE ADDERS-TONGUE. 



Ophioglossum lusitanicum. 

 (Plate XL, Fig. 4, page 69.) 



LENGTH OF FROND. Two to four inches. 



GENERAL DESCRIPTION. Roots few in number, fleshy, 

 brittle. Rootstock small, upright in growth, fleshy, tube- 

 rous, elongated. Fronds of two parts, barren and fruit- 

 ful, consisting, upon a common stipes, of a single 

 narrow, entire, somewhat grass-like, barren pinna, and of 

 a taller branch forming a stem in continuation of the 



