General Key to the Families 37 



TRIBE EUPHRASIES 



V. CASTILLEJA. Mutis. 



1. C. miniata. Dougl. Red Indian Paint Brush. 



2. C. pallida. Kunth. White Indian Paint Brush. 



3. C. purpurascens. Greenman. Purple Indian Paint 



Brush. 



4. C. land folia. Rydb. Lance-leaved Indian Paint 



Brush. 



5. C. angustifolia van Bradburii. (Nutt.) Fernald. 



Bradbury's Painted Cup. 



6. C. rupicola. Piper. Bright Painted Cup. 



7. C. oreopala. Greenman. Magenta Painted Cup. 

 VI. ORTHOCARPUS. Nutt. 



i. O. luteus. Nutt. Pelican Flower. 

 VII. PEDICULARIS. (Tourn.) L. 



1. P. racemosa. Dougl. White Lousewort. 



2. P. contorta. Benth. Contorted Lousewort. 



3. P. bracteosa. Benth. Western Wood Betony. 



4. P. groenlandica. Elephant's Head. 

 VIII. RHINANTHUS. L. 



i. R. Crista-galli. L. Yellow Rattle. 



LXII. LENTIBULARIACE^:. BLADDERWORT FAMILY 



Small wet-loving herbs, terrestial ; leaves basal, entire, tufted, the 

 upper surface covered with a viscid secretion when floating, oppo- 

 site or verticillate ; flowers solitary or racemose on scapes or scape- 

 like peduncles, corolla deeply bilabiate, the upper lip usually erect, 

 concave, spreading or reflexed, three-lobed, with a prominent 

 palate, spurred at the base in front, the palate usually bearded; 

 fruit a capsule, often irregularly bursting or dehiscent by valves. 



I. UTRICULARIA. L. 



i. U. vulgaris. L. var. americana. Gray. Greater 



Bladderwort. 



. 2. U. intermedia. Hayne. Yellow Bladderwort. 

 II. PINGUICULA. (Tourn.) L. 



i. P. vulgaris. L. Butterwort. 



