THYMEL^.ACE^ 123 



leaves stiff, coriaceous, sessile, not mucronate; Southern 

 Tirol, rare. 



B. Flowers white or yellowish-green ; — D. Laureola, 

 L., Spurge-Laurel ; flowers yellowish-green, drooping, in 

 stalked few-flowered axillary cymes, leaves thick, ever- 

 green, lanceolate ; mountain woods, local. D. alpina, L. ; 

 flowers white, in .terminal umbels, calyx woolly, leaves 

 thin, light green, ovate, deciduous; alpine rocks, local. 

 D. Blagayana, Fr. ; flowers white, fragrant, in terminal 

 umbels, stem unbranched, leaves obovate, evergreen; 

 bushy places ; Styria, Carniola, rare. 



Order LXXVI.— SANTALACE^. 



Flowers small, unisexual or bisexual, solitary or in 

 cymes; calyx 3-5-lobed, often coloured; stamens 3-5; 

 ovary i-celled; ovules 2-5, of very simple structure, 

 without integument; fruit a i -celled i -seeded achene; 

 leaves entire. A small widely distributed order; mostly 

 parasites. 



I. Thesium, L. 



Flowers minute, bisexual, green or white, solitary in 

 the axils of the leaves, or in corymbose cymes; calyx 

 usually 5-lobed; stem usually prostrate, wiry; leaves 

 narrow. Root-parasites. The species of Bastard-Toad- 

 flax run into one another, and are very difficult to dis- 

 tinguish. 



A. Flowers subtended by a single bract: — T. rostra- 

 turn, M. K. ; stem terminating in a tuft of leaves without 

 flowers ; pastures ; Switzerland, Tirol, Salzburg, Bavaria, 

 rare. 



