HANDBOOK OF BRITISH HEPATIC^. 277 



succulent, inserted in a concave disc, recep- 

 tacle conical, inclining to ovate, obtuse at the 

 apex, margins deflexed, and cut into about six 

 short emarginate lobes (fig. 192). Involucres green, 

 bivalved. Calyx quadrifid, enclosing one ovate 

 capsule, which is partially exserted, and cut into 

 several revolute segments. Elaters bispiral. 



GENUS 47. TARGIONIA, Micheli. 



Distinct female receptacle none. Involucre 

 springing from beneath the apex of the frond, 

 two-valved, one fruited. Pistillidia three to 

 four, of which one is perfected. Perianth 

 none. Calyptra thin, persistent, investing 

 the capsule, at length vanishing at the apex. 

 Capsule shortly pedicellate, torn, or frustulate. 

 Elaters two or three spired. Male receptacle 

 lateral, discoid, papillose, seated on a proper 

 innovation from the ventral rib. 



Targionia hypophylla, Linn. 



Fronds forming large patches, overlapping 

 and flat, very deep green, purplish at the 

 edges, oblong, with numerous radicles on the 

 under surface. Fruit originating from the 

 underside of the frond, near the extremity 

 (fig. 193). Capsule never elevated beyond the 

 globose calyx, splitting into several unequal 

 segments. 



Targionia hypophylla, Linn. Sp. 1 604 ; Eng. 



