BPJRJSA. ROSAOErffi. 187 



LUETKEA. 



unequally serrate toward the; rounded or acutish apex, often cuneate at 

 base, very shortly petioled, densely white-tomentpse beneath, smooth 

 above: flowers deep rose-color, densely crowded in a narrow usually 

 elongated sessile leafy panicle ; calyx campanulate, the ovate acute lobes 

 as long as the tube, reflexed; petals obovate, narrowed at base to a short 

 claw ; stamens twice as long as the petals ; free edge of the disk obsolete or 

 reduced to a mere ring : carpels glabrous, 9-11^-ovuled. Common in low 

 grounds and swales, Brit. Columbia to California. 



S. Menziesii Hook 1. c. 173. Stems erect, 3-4 feet high, with light 

 brown bark : leaves obovate to elliptical. 1-3 inches long by 8-16 lines 

 broad, coarsely and unequally serrate above the middle, glabrous and of 

 nearly the same color both sides or paler beneath, narrowed below to a 

 very short petiole : flowers rose-color, in a rather small somewhat pyra- 

 midal obtuse panicle ; calyx pubescent, the broadly ovate acute lobes as 

 long as the broad shallow tube; petals ovate, a line long, exceeding the 

 sepals; stamens more than twice as long as the petals; carpels glabrous. 

 In cold marshes, Alaska to Oregon. 



S. caespitosa Nutt. T. & G. Fl. i, 418. Cespitose, with simple or branch- 

 ing icape -like stems: leaves rosulate on the short tufted branches of the 

 prostrate and root-like stems, oblanceolate or linear-spatulate, acute silky 

 on both sides, 2-12 lines long, those of the scape scattered and narrower : 

 scapes 2-6 inches high ; flowers white, in small oblong spiks 6-20 lines 

 long; calyx-lobes silky, exceeding the tube and nearly equalling the spatu- 

 late petals, not reflexed; filaments twice as long as the petals; disk of the 

 calyx-tube conspicuous, entire; carpels 3-5, villous or glabrate, 2-3- 

 ovuled. On high shelving rocks, in the Cascade Mountains of feouthern 

 Oregon to Arizona and the Rocky Mountains. 



19 LUETKEA. Bong. Veg. Sit. 230, t. 2. 

 ERIOGYNIA Hook. Fl. i, 255, t. 88. 



Low, nearly herbaceous perennial plants with palmately cleft 

 or entire leaves without stipules and scape- like stems terminated 

 by a short spike or panicle of small white flowers. Flowers per- 

 fect. Disk wholly coherent with the tube of the 5-cleft persistent 

 calyx. Petals 5, rounded. Stamens numerous, perigynous. 

 Carpels 46, membranaceous, becoming 2-valved. 4 seeded pods. 

 Seeds small, attenuate at each end, with thin membranaceous 

 testa and no albumen. 



L. sibbaldioides Bong. 1. c. Eriogynia pectinata Hook. Glabrous 

 stems cespitose, creeping, very leafy, 1-2 inches long ; flowering stems erect, 

 2-6 inches high ; leaves trifoliolate persistent ; leaflets deeply 2-4-lobed, 

 usually 3-lobed, the lateral ones decurrent and forming a broad flat petiole : 

 flowers rather large, white, in short terminal racemes; inflorescence more 

 or less pubescent; pedicels stout, 1-2 lines long; calyx-lobes ovate, acute, 

 equalling the tube ; petals obovate, 1-2 lines long, exceeding the calyx ; 

 filaments united at base, shorter than the petals; carpels 3-5, villous along 

 the inner suture. On the highest mountains near perpetual snow, Alaska 

 to California and the Rocky Mountains. 



L. Henderson!! Canby, Greene Pitt, ii, 119. Stems cespitose, 1-2 inches 

 long, very leafy: leaves spatulate, entire, the margin slightly involute, 

 acutish, attenuate below to a broad petiole, 6-8 lines long, silky, pubescent, 

 both sides coriaceous, persistent: flowers white, in oblong racemes that 

 terminate the slender scapes; calyx almost rotate, the oblong obtuse lobes 

 longer than the tube ; petals oblong, 1)4 lines long, rounded at the apex ; 

 filaments distinct ; carpels 3-5, villous along the sutures. "In rock crevices 

 7000 feet altitude Mount Steele, Olympic Mountains Washington." Piper. 



