By Thomas Bruges Flower, Esq. 



75 



Lathrjea, (Linn.) Toothwort. 

 Linn. CI. xiv., Ord. ii. 

 Name. From (lathraios), concealed ; in allusion to the plant 

 growing in much concealed places. Toothwort, from the scales of 

 the root much resembling teeth in form and colour. 



1. L. squamaria, (Linn.) scaly-rooted Toothwort. Squamaria is 

 a Latin substantive formed from squama, signifying a scale, and is 

 applied to this plant in reference to its roots, which are covered 

 with scales. G. E. Smith, 8. Kent. t. 3. 



Locality. Parasitical on the roots of tiees especially hazel, in 

 damp shady places. Besides the hazel it grows on the oak, ash, 

 beech, and elm. P. II. April, May. Area, 1. * 3. 4. 5. 



South Division. 



1. South-east District, "Plantations near Trafalgar Park," Dr. 

 Maton and Major Smith. " Brickworth Park," Rev. E. Simms. 

 r Woods at Clarendon," Bot. Guide. 



3. South-west District, " Woods at Ashcombe," Mr. James Hussey. 



North Division. 



4. North-west District, Rudlow and Box. " Collet's Bottom, near 

 Corsham," Dr. R. C. Prior. 



5. North-east District, " Granham copses, and copses on White 

 Horse Down;" "Pewsey and Tottenham," Flor. Marlb. "Great 

 Bedwyn," Mr. William Bartlett. 



A singular parasitic plant closely allied to the Broom-rapes, but 

 the flowers more regular. Whole plant succulent, with many fleshy 

 tooth-like scales. Flowers in a long unilateral spike, flesh-coloured 

 or bluish. Bract ea's broadly ovate. This plant like Melampyrum 

 turns quite black in drying, or on exposure to the air soon after 

 being gathered. See a valuable paper on the structure and growth 

 of this plant by J. E. Bowman Esq., in Linn. Trans, v. xvi., p. 2, 

 accompanied by a beautiful plate. 



ORDER. SCROPHULARIACE^]. 

 Yerbascum, (Linn.) Mullein. 

 Linn. CI. v. Ord. i. 



The name appears to be a corruption of the word Barbascum, on 



g2 



