LILIACEiE. 223 



Tribe I.— VERATREiE. 



Perianth leaves free or sessile or with short claws, cohering at the 

 base, and forming a short tube. 



Rootstock not cormose. Root-fibres often fasciculate. Stems often 

 leafy. 



GENUS XVIIL—T OFIELDIA. Ends. 



Involucre calyxlike, 3-cleft. Flowers perfect, not articulated to 

 the pedicel. Perianth coloured, widely funnelshaped or subrotate; 

 perianth leaves 6, free, sessile, more or less spreading, subj^crsistent. 

 Stamens 6, inserted on the base of the perianth segments; filaments 

 filiform ; anthers affixed by the back and versatile. Styles 3, short ; 

 stigmas capitate. Capsule 3-cleft, 3-lobed, septicidaUy 3-valved. 

 Seeds numerous, linear. 



Herbs with creeping slender rootstocks and equitant-ensiform 

 falcate-recurved sti'iate leaves which are mostly radical. Stem scape- 

 like, terminated by a raceme of small white or greenish-white flowers 

 in a spikelike raceme or spike. 



This genus was named in honour of a Mr. TofielJ, a Torksliire botanist and patron 

 of the science. 



SPECIES I.-TO FIELD I A PALUSTRIS. Huds. 



Plate MDXLIII. 



Eeicli. Ic. Fl. Germ, et Helv. Vol. X. Tab. CCCCXX. Figs. 934, 935. 



T. boreaUs, Wahl. Fries, Snmm. Veg. Scand. p. 65. Kuch, Syn. Fl. Germ, et Helv. 



ed. ii. p. 837. Beich. Ic. I.e. p. 1. 

 Anthericum calyculatum, Ltnn. Sp. PI. p. 447. 



Stem glabrous, nearly leafless. Leaves 3- to 5-nerved. Pedicels 

 with a 3-lobed bract at the base, but no bracteoles at the apex. 

 Perianth leaves oblanceolate-oblong, yellowish-white tinged with 

 yellowish-green on the back. 



In v/et places and by the sides of rills on mountains. Rather local. 

 In England it is confined to Teesdale, both on the Yorkshire and 

 Durham sides of the stream. Not uncommon in the Scotch Hijrhlands, 

 extending north to Sutherland. 



England, Scotland. Perennial. Summer. 



Rootstock shortly creeping, producing tufts of distichous linear- 

 ensiform subfalcate striated leaves, 1 to 3 inches long, much resem- 



