Scrophulariaceae 249 



Collinsia Stems slightly hairy at length, 

 parviflora di ff use l y branched, very slender, 



Small- 3" 1 5 mcnes l n g- Leaves oblong 



flowered or lanceolate, mostly obtuse at 



Collinsia. the apex, narrowed at the base ? 

 J-i inch long, entire or sparingly toothed, 

 the lower opposite, petioled; the floral ses- 

 sile, opposite or verticillate. Flowers few, in 

 whorls in the axils of the leaves, on long 

 slender pedicels; corolla blue or. whitish, the 

 throat longer than the limb; the upper lip 

 erect, 2-cleft, the lower lip ^-lobed, spreading. 

 An inconspicuous little plant on rocks 

 and in damp places throughout the region; 

 flowering during June and July. 



Pentstemon Decumbent, diffusely spreading, 

 fruticosus 6-12 inches high, woody at the 

 (Pursh.) base. Leaves ovate, obovate or 



Greene. , * , 



oblong, J an inch or more long, 

 Purple serrulate or entire, smooth or 



Beard- hairy when young. Flowers in 



tongue. glandular hairy terminal ra- 



cemes; corolla violet, blue or pinkish purple, 



