DODECATHEON PRIMULACE.E 433 



with a callous point in each sinus, or the crenation reduced to the callous 

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

 bel : the stoutish pedicels aud 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. tetraudrnm 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-merous : 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, obtuse, 

 dark purple : capsule surpassing the calyx, circumacissile very near the 

 apex, then splitting into ID short recurving valves: seeds oblonir, 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. 1662. 

 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, opening 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 narrowly 

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

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

 long, often apiculate. On wet banks and margin of lakes, Washington to 

 California. 



D. conjngens 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 dist'nct 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, obtnse, 

 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 ap long as the short tube : corolla-lobes dark purple with 

 yellowish base: staminal tube a line long, dark purple: anthers oblong, 

 obtuse, short-apiculate : capsule ovoid, much longer than the calyx, open- 

 ing by a flat operculum and splitting downward into 10 valves : seeds glob- 

 ular, minutely tuberculate. Common throughout the Willamette Valley 

 and into California. 



*- H- Capsule dehiscing by valves from the apex. 



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



