DIDYNAMIA ANGIOSPERMIA. 135 



II. ANGIOSPERMIA. 

 183. BARTSIA. 



1 . B. Odontites, root fibrous ; stem square, branched ; leaves 

 lanceolate, serrated, the upper ones alternate ; flowers forming 

 unilateral clusters, rose-coloured. Red Bartsia. 



Hob. Meadows and pastures, on a cold and wet clay soil, 

 common. July, Aug. Q 



184. RHINANTHUS. 



1. R. Crista-Galli, stem slightly branched ; leaves lanceolate, ser- 

 rated ; calyx smooth ; style concealed by the upper lip ; seeds 

 with a dilated membranous border. Common Yellow Rattle. 



Hah. Barren meadows and pastures. June. 



Stem a foot high, smooth, often spotted. leaves somewhat 

 crisp and fleshy, curiously marked on the under surface 

 with characters of a paler green. Flowers axillary, but 

 somewhat crowded and spiked, yellow, with a blue upper 

 lip. 



2. R. major, stem much branched ; leaves linear-lanceolate, 

 serrated ; bracteas taper-pointed ; calyx smooth ; style promi- 

 nent ; seeds slightly bordered. Large Yellow Rattle. 



Hal. Corn fields in the north of England. " I also ob- 

 served it this year, 1723, amongst the corn nigh West- 

 newton, in Northumberland, upon the borders of Scot- 

 land," Dr RICHARDSON-. Though I have not observed 

 it, yet others may probably find it in this neighbour- 

 hood. Mr WINCH remarks, it ought to be looked for 

 in newly inclosed grounds. July. Q 



Larger than the preceding, with narrower leaves, and smaller 

 flowers with a purple upper lip. 



185. EUPHRASIA. 



1. E. oflwinalis, stem 1-4 inches high, square; leaves ovate, 

 sessile, furrowed, toothed ; flowers white, with purple streaks 

 and a yellowish palate. Eye-bright* 



