BLADDERWORT FAMILY 139 



ovary with 2 cavities, style flattened at the summit, capsule globose to ob- 

 long, 2-valved, the valves usually 2-cleft at the apex; flowers in terminal 

 spikes, racemes or panicles; leaves alternate, toothed, pinnately cut or en- 

 tire ; biennial or rarely perennial. 



1. Plants densely woolly; flowers in long dense 



spikes V. thdpsus 



2. Plants smooth or sparsely hairy ; flowers in 



racemes V. blattdria 



VERONICA Linne 1753 VERONICA 



(Named for St. Veronica) 



PL 22, fig. 1, 3. 



Sepals mostly 4, sometimes 5, united, petals 4, (rarely 5), blue, purple, 

 pink or white, united into a saucer-shaped corolla, with very short tube and 

 unequal lobes, the lower lobe commonly the narrowest, stamens 2, spread- 

 ing, inserted on either side of the upper corolla lobe, ovary' with 2 cavities, 

 style slender, stigma globose, capsule compressed, sometimes very flat, 

 notched, heart-shaped or 2-lobed; flowers terminal or axillary, solitary or 

 in racemes or spikes; leaves opposite and alternate, rarely whorled; annual 

 or perennial. 



1. Flowers in terminal clusters 



a. Capsule oblong, notched ; leaves sessile V. alpina 



b. Capsule nearly round, broadly heart-shaped 



above ; lower leaves petioled V. serpyllifolia 



2. Flowers solitary or clustered in the axils of the 



leaves 

 a. Flowers solitary 



(1) Flowers white or whitish; leaves linear to 



oblong V. peregrina 



(2) Flowers blue ; leaves ovoid V. Buxbaumii 

 . b. Flowers in racemes 



(1) Leaves ovate to lance-ovate 



(a) Stem leaves petioled V.americdna 



(b) Stem leaves sessile and often clasping V. anagallis 



(2) Leaves linear to lance-linear V. scutellata 



PINGUICULACEAE BLADDERWORT FAMILY 



Sepals 2-5, united, petals 5, united into a 2-lipped corolla, the upper 

 lip usually erect, concave or the sides plaited, entire or 2-lobed, lower lip 

 larger, spreading or turned back, 3-lobed with nectar-bearing spur beneath, 

 stamens 2, on the corolla, ovary with 1 cavity, ovoid or globose, style short 



