DODECATHEON PRIMULACEAE 433 



point only : scapes 10-20 inches high, stout, bearing a many-flowered um- 

 bel : the stoutish pedicels and deeply parted calyx somewhat glandular- 

 pubescent : flowers deep purple throughout : stamens distinct to the very 

 base: capsule ovate-oblong, coriaceous, circumscissile near the apex, after- 

 wards parting into 10 valves whose tips are closely recurved. At and 

 a little below the limit of trees on Mount Rainier, Washington." 



D. tetrandrum Suksdorf, Greene 1. c. 40. Glabrous, or the inflores- 

 cence minutely glandular: leaves spatulate to lanceolate Or oblanceolate, 

 3-12 inches long by 1-2 inches broad, tapering below to a winged petiole: 

 scapes stout, 6-20 inches high : umbel few to many-flowered : involucral 

 bracts setaceous-: pedicels 1-3 inches long, enlarging at the summit: flow- 

 ers mostly 4-mero«s : calyx-lobes lanceolate, acuminate, 3 lines long : 

 corolla purplish with a yellow ring near the base, its lobes lanceolate, 

 acute, 6-8 lines long : staminal tube very short ; anthers linear-oblong, ob- 

 tuse, dark purple : capsule surpassing the calyx, circumscissile very near 

 the apex, then splitting into 10 short recurving valves : seeds oblong, flat, 

 with a marginal wing all around. In wet places in the Cascade Mountains. 



D. Jeffrey! Moore in Van Houtte Fl. des Serres xvi, 99, t. 166S. 

 Glabrous except the hirsute and glandular inflorescence : leaves oblanceo- 

 late, erect, 5-10 inches long, entire, acutish, mucronate : scapes 12-18 

 inches high : umbel many-flowered : segments of the corolla ample, deep 

 red-purple : stamens dark purple, usually only 4 ; anthers • emarginate : 

 style very distinctly hispidulous : capsule not surpassing the calyx, open- 

 ing by valves from the very apex. In wet places in the mountains of 

 eastern Oregon and California. 



D. alpinum Greene 1. c. D. meadia var. alpina Gray. Glabrous 

 throughout : leaves oblong-lanceolate to spatulate, obtuse, 1-3 inches long, 

 tapering below to a short petiole: scape 4-10 inches high 1 to several- 

 flowered; involucral bracts lanceolate, acute. 1-2 lines long: lobes of the 

 calyx about as long as the tube, narrowly lanceolate : corolla-lobes nar- 

 rowly oblong abruptly contracted near the apex, 6-8 lines long, purple 

 with brownish-yellow base : staminal tube very dark, a line long : anthers 

 oblong, often apiculate. On wet banks and margin of lakes, Washing- 

 ton to California. 



D. conjugens Greene Eryth. iii, 40. "Short crown with a dense 

 fascicle of fleshy fibrous roots that are deciduous from it after the flower- 

 ing : whole plant glabrous : leaves obovoid and elliptic, 2 to 5 inches long 

 including the distinct petiole, obtuse, entire : scape stoutish 3 to 8 inches 

 high : umbel few-flowered, flowers large, 4-merous, rarely 6-merous : 

 corolla deep purple, varying to rose red and to white : anthers distinct, 

 obtuse, the connective lanceolate, acuminate to a linear point, delicately 

 rugulose throughout all but the linear tip : fruit unknown. Dry hills, 

 southeastern Oregon and Montana. 



D. Henderson! Gray Bot. Gaz. xi, 233. Glabrous throughout or the 

 inflorescence minutely glandular : leaves elliptical to obovate, 1 inch or 

 more long narrowed below to a short petiole: scape 4-16 inches high, 

 rather few-flowered : involucral bracts triangular, acuminate : calyx-lobes 

 triangular, acuminate, twice as long as the short tube : corolla-lobes dark 

 purple with yellowish base: staminal tube a line long, dark purple: an- 

 thers oblong, obtuse, short-apiculate : capsule ovoid, much longer than 

 the calyx, opening by a flat operculum and splitting downward into 10 

 valves : seeds globular, minutely tuberculate. Common throughout the 

 Willamette Valley and into California. 



"*" ■*" Capsule dehiscing by valves from the apex. 



D. pauciflorum Greene Pitt, ii, 72. Glabrous throughout': leaves 



