HOOKEREI. 67 



quaquaversal leaves approximate it to Cryphcea, while together 

 with their different texture they distinguish it from other 

 Hookerei, and in consequence a distinct division (Daltonei) 

 is made for its reception, together with some allied exotic 

 genera by Schimper. 



5. HOOKERIA, Smith. 



Stem irregularly branched or subpinnate ; leaves flattened ; 

 sporangium more or less cernuous; veil smooth, elongated, 

 mitriform ; peristome double ; outer of sixteen teeth, inner a 

 membrane divided halfway down into sixteen keeled processes, 

 without intermediate cilia; mostly monoicous. Perennial 

 Mosses growing in the shade, on the ground, or on trees. 



1. H. lucens, Smith; stem irregularly branched; lower 

 leaves narrow, subrotund, upper much larger, ovate, oblong, 

 obtuse, nerveless. — Hook &; Wils. t. xxvii. ; Eng. Bot. t. 1902. ; 

 (Plate 3, fig. 5) ; Moug. 1$ Nest. n. 40. 



On moist banks in the southern counties ; rare, or entirely 

 wanting in higher latitudes. Bearing fruit in winter. 



Monoicous. Stems 2 or 3 inches long ; branches flattened ; 

 leaves flat, imbricated, of a beautiful pale green, shining, quite 

 entire, very obtuse, nerveless; sporangium elliptic, rather 

 small in proportion to the rest of the plant, horizontally 

 cernuous, thick, and succulent ; lid long, with a straight beak ; 

 veil large, thick, slightly split at the base ; outer teeth reddish- 

 brown, with prominent trabecule within ; inner with abortive 

 cilia between the processes which are perforated along the 

 medial line. 



Perhaps the most beautiful of British Mosses, and abundant 

 in some counties. The cells of the leaves are remarkably 

 large, and the loose chlorophyll contracts when dry. This 

 and the closely allied American H. acutifolia, are separated 



f 2 



