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 er ovate-lanceolate 44. 



44a. Stem-leaves sessile and somewhat clasping 



Water Speedwell, Yeronica 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 cliamaedrys. 



46a. Bracteal leaves entire; stem glabrous or .minutely pube- 

 scent 47. 

 46b. All leaves serrate; foliage pubescent (flowers blue) 48. 



47a. Flowers white, about 2 mm. wide 



Speedwell, Veronica peregrhia. 

 47b. Flowers pale-blue with darker stripes, 3 4 mm. wide 



Speedwell, Veronica serpyllifolia. 



48a. Flowers nearly sessile, about 2 mm. wide 



Speedwell, Veronica aryensis. 

 48b. Flowers on slender pedicels, 5 8 mm. wide 



Speedwell, Veronica toiirnefortii. 



LENT1BULARIACEAE, 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. 



la. Corolla purple 2. 



Ib. Corolla yellow (flowers in 'summer) (Bladderwort) 4. 



2a. Leaves oval to elliptical, entire (about 1 dm. high, on rocks; 

 flowers in summer) Butterwort, Fingnicula vulgaris. 



2b. Leaves dissected or none, submerged (flowers in summer) 

 (Bladderwort) 3. 



