SPECIES OF PBJSTTSTEMON. 165 



cauliiie obovate to elliptical and small toward the base, the 

 others ovate lanceolate, entire, sessile, ascending, 3 or 3 inches 

 long, acute : thyrsus not compact : sepals ovate, cuspidate, line- 

 olate, very narrowly scarious-edged : corolla purple, J inch long, 

 the tube ventricose and limb definitely bilabiate: sterile filament 

 strongly bearded. 



Castle Gate, Utah, M. E. Jones, 1894, sheet 337,290 U. S. 

 Herb.; also by the same from Mt. Ellen, 1894, sheet 337,393. 

 both labelled P. confertus, though the plant is in no way 

 specially related to that species. 



P. PRATENSIS. Stems solitary from short rootstocks, very 

 slender, IJ *eet high: plant glabrous throughout, sparingly 

 leafy ; basal leaves few, 1 to 3 inches long, of elliptic blade and 

 slender petiole, cauline remote in 4 or 5 pairs, mostly sessile, 

 lanceolate, 1 to 3 inches long : thyrsus short, of 3 to 5 clusters : 

 sepals subquadrate- oblong, narrowly scarious-margined, the sub- 

 truncate summit abruptly subulate-pointed: corolla pinkish, 

 J inch long, narrow-funnelform, the segments not small ; lower 

 lip densely bearded. 



Moist meadows of the Humboldt River about Deeth, Nevada, 

 14 July, 1896, coUectedonly by the writer. Allied to P. confertus, 

 as is also the following. 



P. MODESTUS. Subalpine, with subligneous branching base 

 and slender but rigid ascending stems 8 or 10 inches high sparsely 

 leafy, the foliage firm and subcoriaceous : basal leaves 1 inch 

 long or more of obovate to elliptic blade and slender petiole, 

 cauline smaller, spatulate-oblong to oblong, acute, glabrous, as 

 are all parts of the plant : inflorescence of 3 to 5 interrupted 

 false whorls of small blue flowers: calyx small, of obovate 

 sepals truncate and more or less dentate across the summit, in- 

 definitely somewhat scarious-edged : corolla hardly 4 lines long, 

 the very slender narrow funnelform tube deflected, the limb 

 ample in proportion, lower lip bearded, as also the sterile fila- 

 ment at tip. 



Ruby Mountains back of Deeth, Nevada, 30 July, 1896, col- 

 lected only by myself ; the type in my herbarium. 



