FIG-WORT TRIBE 209 



and astringent, and lias been used medicinally. On the roots of 

 F'lrze, Broom, and other plants of the Order LegnminoxcB, frequent. 

 — Fl. June, July. Perennial. 



2. 0. minor (Lesser Broom-rape). — Stamens hairy below, smooth 

 above ; style nearly smooth. Under this description are included 

 several species, or varieties, which are parasitical severally on 

 Clover, Ivy, and Sea Carrot. They all resemble the last in habit, 

 but are of smaller size. 



To this group belong 0. caryophyllacea (Clo\-e-scented Broom- 

 rape), a species with hairy stamens and a dark purple stigma ; grow- 

 ing in Kent, on the roots of Galium Mollugo ; 0. elatior, a rare 

 species, parasitical on Centaiirea scabiosa ; and 0. rubra, abundant 

 on basaltic rock in Scotland and the north of Ireland, and on mag- 

 nesiaii rock at the Lizard Point, Cornwall. This species appears to 

 be parasitical on the roots of Wild Thyme. 



Bracts three under each flower 



3. 0. ratnosa (Branched Broom-rape). — Distinguished from the 

 preceding by its lighter colour and branched stem. On the roots of 

 Hemp, very rare. — Fl. August, September. Annual. 



0. ccerulea (Blue Broom-rape). — Distinguished by its 3 bracts and 

 its bluish purple hue. A very rare species, found in Norfolk, Hert- 

 fordshire, and the Isle of Wight. 



2. Lathr.^ja (Tooth-wort) 



1. L. squamaria (Tooth-wort). — The only British species. The 

 stem is branched below the surface of the ground or withered leaves 

 among which it grows ; it is of a lightish hue, and thickly clothed 

 with tooth-hke scales ; each branch bears a one-sided cluster of 

 drooping purplish flowers, with rather broad bracts at the base of 

 each. Grows in woods and thickets on the roots of Hazel. — 

 Fl. April, May. Perennial. 



Natural Order LVIII 



SCROPHULAR'fACE^.— Fig-wort Tribe 



Calvx 4 to 5-lobed, not lalhng off ; corolla irregular, often 2- 

 lipped ; stamens usuaUy 4, 2 long and 2 short (didynamous), some- 

 times 2 or 5 ; ovary 2-celled ; style i ; stigma 2-lobed ; capsule 

 2-celled, 2 to 4-valved, or opening by pores. A large and important 

 Order, containing nearly two thousand species, of which some are 

 shrubs, but the greater number are herbaceous, inhabiting aU parts 

 of the world, from the arctic regions to the tropics. The general 

 character of the species is acrid and bitterish, and some have power- 



