Ord. 2.] DIDYNAMIA ANGIOSPERMIA. 127 



304. RHINaNTHUS. Yellow-rattle. 



1. R. Crista-galli, 10. 657. (Common Y.) Upper lip of the corolla con- 



cealing the style. Seeds bordered. Leaves lanceolate, serrated. 

 Past. . 6. Scarcely branched, 1 f. Cor. yellow. Anth. red. 



2. R. major, Suppl. 2737. (Large Y.) Style prominent. Leaves 



linear-lanceolate, serrated. Bracteas taper-pointed. 

 Fields. . 7. Much branched. Cor. purp. Seeds slightly bordered. 



305. EUPHRASIA. Eye-bright. 



1. E. officinalis, 20. 1416. (Common E.) Leaves ovate, furrowed, 

 sharply toothed. 

 Heaths & past. .7 — 9.3 — 5m. Flwhite,varieg.withpurple andyell. 



306. MELAMPyRUM. Cow-wheat. 



1. M. cristdtum, 1. 41. (Crested C.) Spikes quadrangular. Bracteas 



heart-shaped, closely imbricated, finely toothed. 

 Fields and groves, rare. 0. 7. Cor. yellow; upper lip purple. 



2. M. arvense, 1. 53. (Purple C.) Spikes conical. Bracteas lax, lanceo- 



late, pinnatifid. Calyx-teeth longer than the tube. Corolla closed. 

 Fields in Norfolk ; very rare. 0. 7. Cor. yell, tipped with purp. 

 Bract, purp. 



3. M. pratense, 2. 113. (Yellow C.) Flowers axillary, turned to one 



side, in partly distant pairs. Corolla closed ; lip direct. 

 Woods and thick. © . 7, 8. Cor. yell. Upper Jloral leaves toothed 

 at the base. 



4. M. sylvdticum, 12. 804. (Wood C.) Flowers axillary, turned to 



one side, in distant pairs. Corolla gaping ; lip deflexed. 

 Alpine woods ; chiefly in the N. rare. ©. 7, 8. L. entire. Cor. 

 deep yellow. 



307. LATHRJEA. Toothwort. 

 1. L. squamaria, 1. 50. (Greater T.) Flowering branches erect, sim- 

 ple. Flowers pendulous ; lower lip in three lobes ; upper cloven. 

 Dry groves. If. 4. Root scaly and fleshy. Fl. dull purple, unilater. 



308. PEDICULaRIS. Lousewort. 



1. P. palustris, 6. 399. (Marsh L.) Stem solitary, branched. Calyx 



ovate, hairy, ribbed, in two unequally notched lobes. 

 Boggy past. If. 6, 7. 1/, L. doubly pinnatifid. Fl. dark crimson. 



2. P. sylvdtica, 6. 400. (Dwarf L.) Stems several, spreading, simple. 



Calyx oblong, angular, smooth, in five unequal notched segments. 

 Moist heaths. If. 6, 7. 3 — 5 in. L. of the root ovate. Fl.rose-col. 



309. ANTIRRHINUM. Snapdragon. 

 * Leaves dilated. Stems flaccid. 

 1. A. Cymbalaria, 7. 502. (Ivy-leaved S.) Leaves heart-shaped, five- 

 lobed, alternate, smooth. Stems procumbent. 

 Old walls ; not native. If. 5 — 11. Fl. varieg. with violet and blue. 



