BARTSIA 381 



a large number of micro-species. These have been studied by Mr. F. 

 Townsend, the author of the Flora of Hampshire, wlio has kindly 

 examined many of my specimens. In 1896 Dr. R. von Wettstein of 

 Prague published an elaborate Monograph of the genus. 



Our most frequent and most widely distributed form is 



Var. nemorosa (Pers. Syn. ii. 149 (1807), as a species), Wettst. Mon. 

 Euphr. 118. Syme, E. B. t. 992? 



1. Isis. Wytham meadows. Idstone. Faringdon. 



•2. Ock. Cothill. Boar's Hill. Letcombe. Wantage Downs. 

 Tubney. Wittenham. Radley. 



3. Pang. Moulsford. Ashampstead. Compton. 



4. Kennet. Farnborough. Lambourn. Hungerford. Mortimer. 



5. Loddon. Long Moor. Bearwood. Bracknell. Broadmoor. 



Loddon Bi'idge. Windsor Park. Stubbing's Heath, &c. 



Var. GRACILIS, Fries, Fl. Hall. 104, 1818. Syme, E. B. t. 992 (right- 

 hand figure). E. micrantha, Reichb. Fl. Germ. Exc. 358 (1831-1832), 

 Wettst. Mon. Euphr. 143-6. 



3. Pang. Ilsley Downs. Purley. 



5. Loddon. Finchampstead. Sandhurst. Windsor Forest. 



E. officinalis is found in all the bordering counties. 



BARTSIA, Linn. Gen. n. 657. 

 B. Odontites', Huds. Fl. Angl. ed. 2, 268 (1778). Bed Eyebriykt. 



Crataeogoiion EiqJhrosine, Gerard, 85. Euphrasia Odontites, Linn. Sp. PI. 

 604 (1753). Odontites rubra, Gilib. Fl. Lituan. i. 126 (1781). 

 0. verna, Reichb. Fl. Germ. Exs. 359. 

 Top. Bot. 292. Syme, E. B. vi, 174, t. 993. Nyman, 550. Fl. Oxf. 219. 

 Native. Pascual, agrestal. Cultivated fields, pastures, waysides, 

 &c. Common and generally distributed, except on ground which 

 has never been cultivated, but it is frequent along roadsides, 

 especially in cold stiff soils. A. June-September. 

 First record. Euphrosyne rubra, found by E. Ashmole in his orchard at 

 Bradfield, 3IS. in [How's] Phyt. Brit. 165 1. It is probably also the 

 plant referred to as Euphrosine Jlore albo, Cow-wheat, with white 

 flowers neer Oxford, Mr. Martin, How's Phyt. Brit. 1650. Sonning, 

 Mr. S. Budge, 1800, i7i Herb. Brit. Mus. Euphrasia odontites, in 

 Mavor's Agr. Berks, 1809. Bartsia Odontites, with Uredo Rhinantha- 

 cearum (Colcosporium euphrasiae), Baxt. Phaen. Bot. n. 223 (1837). 

 B. Odontites is found under two marked varieties. 

 Var. VERNA (Reichb. Ic. Fl. Germ, et Helv. 57, t. 107, as a species'). 

 In Berkshire it is found chiefly in cornfields, where it is not un- 

 frequent among the stubble. In Scotland, at any rate in the north, 



^ Spelt Odontitis by Huds. 



