172 



Plants of the Punjab. 



Herbs, Erect, with Opposite Exstipulate Simple Leaves. 



Leaf Margins Entire. 



Petals united. 



Corolla two-lipped. 



Stamens four. 



Vandellia Crustacea, 



SCROPHULARIACEyE. 



F. B. I. iv. 279. 

 The Plains to 

 3,000 ft. 

 Sutlej Valley 

 (Collett). 



small, annual, found in marshes, much and widely 

 branched from the root in threes, smooth or slightly hairy ; 

 leaves |-1 in., sometimes toothed, ovate or lanceolate, 

 shortly stalked ; flowers | in. long, pale purple, solitary 

 on axillary straight slender stalks, |-1| in. long, or crowded 

 towards the ends of branches, calyx y'^ in. and in fruit 

 ^ in., shortly 5-lobed, longer than the capsule, nearly 

 bell-shaped, not angled, corolla 2-lipped, upper lip erect, 

 notched, lower broader, horizontal, 3-lobed, stamens 4, 

 in unequal pairs, 2 anterior longer with curved filaments 

 spurred near the base, 2 posterior, usually included, an- 

 thers touching or joining in pairs under the upper lip, 

 style curved, stigma flat, 2-lobed ; capsule shorter than 

 the calyx, oblong-ovate, blunt, opening through the lines 

 of junction, seeds wrinkled. 



Vandellia erecta, 



ScROPHULARIACEiK. 



F. B. Liv. 281. 



The Plains. 



very like the last species, but smaller, and more 

 erect, quite smooth, leaves sessile oblong mth rounded 

 ends, flower stalks twice as long as the leaves, calyx lobes 

 shorter than the rounded ovoid capsule. 



Ilysanthes parviflora, 



Scrophulariace^. 

 F. B. L iv. 283. 

 The Plains. 



small, annual, usualh- much branched,- found in 

 marshes ; leaves j-1 in., ovate with ends rounded or linear- 



oblong, sessile, usualh'^ untoothed ; flowers 



1 1 



6 4 



m. 



long, 



white or blue, on threadlike stalks |-| in. long in the axils 

 of leaves or at the end of branches in racemes, calyx half 

 the length of the corolla, lobes narrowly lanceolate, corolla 

 2-lipped, I'l in., tube cylindric, upper lip erect, concave, 

 notched, lower larger, spreading, 3-lobed, stamens 4, 2 

 upper perfect, enclosed in the corolla, filaments thread- 

 like, anthers meeting, 2 lower 2-lobed, one lobe 

 glandular, the other smooth, style single, stigma round, 

 consisting of 2 plates ; capsule ovate, oblong, short- 

 pointed, longer than the calj'^x. ^ 



