SPECIES AND VARIETIES. 303 



(237) Sibthorpia. 



S. europsea : stems very slender^ creeping, rooting at the 

 nodes; leaves small, stalked, orbicular, deeply cordate at the 

 base, crenate, hairy ; flowers minute, axillary, the corolla with 

 the two upper lobes yellowish, the three lower broader and 

 pink. — Cornish Moneywort. — Moist, shady places. Fl. July, 

 August. 



(238) Linaria. Toad -flax. 



* Stems erect. 



L. vulgaris : stems 1-3 feet high, glaucous green ; leaves 

 crowded, linear or narrow-lanceolate; flowers large, yellow, 

 forming a short handsome terminal raceme ; spur of the 

 corolla long and pointed ; the projecting palate of the lower 

 lip of a bright orange colour, completely closing the tube. — 

 Hedges, and borders of fields. Fl. June, July. 



Ii. minor : annual ; stems much branched, 3-4 inches high, 

 slightly glandular, downy ; leaves linear, obtuse ; flowers very 

 small, on long axillary peduncles, pale purple or violet, with 

 a short blunt spur. — A weed of cultivation. Fl. June to 

 August. 



** Stems trailing. 



L. Cymbalaria : stems slender, glabrous, trailing, often 

 rooting at the nodes ; leaves stalked, nearly reniform, broadly 

 5-lobed, almost fleshy ; flowers small, axillary, pale lilac, with 

 a rather short spur, the palate yellowish. — Old walls, and 

 stony places, naturalized. Fl. all the year. 



L. spuria : annual ; stems hairy, slender, branching, pro- 

 strate, i-1 foot long ; leaves broadly ovate or orbicular ; flowers 

 solitary, in the axils of the upper smaller leaves, small yel- 



