41a. Flowers in racemes, which arise from the axils of the opposite leaves (flowers pale-blue to nearly white, late spring and summer) --42. 41b. Flowers solitary in the axils of leaf-like bracts, or in terminal bracted racemes (1-4 dm. high; spring and summer) --46. 42a. Stem and foliage glabrous; swamp plants 2-7 dm. high --43. 42b. Stem and foliage pubescent; plants of dry ground, 1-3 dm. high --45. 43a. Leaves linear or narrowly lanceolate =Marsh Speedwell, Veronica scutellata.= 43b. Leaves ovate or ovate-lanceolate --44. 44a. Stem-leaves sessile and somewhat clasping =Water Speedwell, Veronica anagallis-aquatica.= 44b. Stem-leaves on short petioles =Brooklime, Veronica americana.= 45a. Leaves narrowed at base into a petiole =Speedwell, Veronica officinalis.= 45b. Leaves rounded or heart-shape at the base =Speedwell, Veronica chamaedrys.= 46a. Bracteal leaves entire; stem glabrous or minutely pubescent --47. 46b. All leaves serrate; foliage pubescent (flowers blue) --48. 47a. Flowers white, about 2 mm. wide =Speedwell, Veronica peregrina.= 47b. Flowers pale-blue with darker stripes, 3-4 mm. wide =Speedwell, Veronica serpyllifolia.= 48a. Flowers nearly sessile, about 2 mm. wide =Speedwell, Veronica arvensis.= 48b. Flowers on slender pedicels, 5-8 mm. wide =Speedwell, Veronica tournefortii.= LENTIBULARIACEAE, the Bladderwort Family Small herbs, growing on rocks, in mud, or in water; calyx and corolla both 2-lipped; stamens 2, attached to the corolla; ovary 1-celled. 1a. Corolla purple --2. 1b. Corolla yellow (flowers in summer) (Bladderwort) --4. 2a. Leaves oval to elliptical, entire (about 1 dm. high, on rocks; flowers in summer) =Butterwort, Pinguicula vulgaris.= 2b. Leaves dissected or none, submerged (flowers in summer) (Bladderwort) --3. 3a. Flower-stalk with a single bract near the middle =Bladderwort, Utricularia resupinata.= 3b. Flower-stalk without bracts, except at the base of the pedicels =Bladderwort, Utricularia purpurea.= 4a. Stem and numerous dissected leaves floating in water =Bladderwort, Utricularia vulgaris var. americana.= 4b. Stem and minute leaves creeping on the bottom of ponds or in mud, while the flowers are borne on erect stalks, easily detached from the delicate stems --5. 5a. Upper lip of corolla conspicuous, as long or nearly as long as the lower lip; lower lip with a prominent raised palate --6. 5b. Upper lip of corolla half as long as the lower lip, or less --7.