SCROPHULARIACE^ 85 



very handsome plant; Dauphiny, Lombardy. V. Teu- 

 crium, L. ; flowers large, bright blue, calyx 5-toothed, 

 leaves ovate-lanceolate or cordate, sessile ; grassy places, 

 not uncommon. V. prostrata, L. (PI. 94); calyx 5- 

 toothed, flowers blue, stems slender, prostrate, branched, 

 leaves linear-lanceolate; grassy slopes; Valais, Jura, 

 Ziirich. V. austriaca, L. {dentata, Schm.) ; resembling 

 the last, but stem less branched, ascending; Neuchitel, 

 Styria, Carniola, Carinthia. 



13. Melampyrum, L. 



Flowers solitary, axillary, or in leafy spikes; calyx 

 tubular or campanulate, 4-toothed ; corolla 2-lipped, upper 

 lip short, truncate ; stamens 4, seated beneath the upper 

 lip of the corolla, anthers hairy ; leaves narrow, opposite ; 

 seeds 1-2 in each cell. Annual herbs, parasitic on roots, 

 black when dry. Most species of Cow-wheat are lowland 

 plants. 



A. Flowers axillary : — M. praiense, L. ; calyx-teeth as 

 long as corolla-tube, corolla pale yellow, anthers reddish- 

 brown, bracts toothed, leaves linear-lanceolate, sessile, 

 entire ; woods, common. M. commutatum, Tausch. ; 

 similar, but calyx-teeth longer than corolla-tube, anthers 

 yellow; bushy, local. M. sylvaticum, 'L,.; calyx-teeth 

 triangular-lanceolate, spreading, shorter than corolla- 

 tube, corolla bright yellow, bracts entire ; mountain woods, 

 common. M. ericetorum, Kern. ; similar, but calyx-teeth 

 as long as corolla-tube, lower lip of corolla folded, upper 

 bracts toothed ; high ; Tirol. M. nemorosum, L. ; corolla 

 orange-yellow, calyx villous, bracts cordate, the upper 

 ones violet ; Vevey, Bienne, Savoy, Dauphiny, Pyrenees. 



