8<S BOTANICAL GAZKTTE. [April, 



16. H. ellipticuiii Hook. Mostly herbaceous, 10 to 20 inches 

 high : leaves elliptical-oblong, sessile or tapering at base, ^ to 1^ 

 inches long, 3 to 5 lines wide, pellucid-punctate with large scat- 

 tered dots, translu{;ently veiny: flowers 4 to 6 lines in diameter, 

 in few-Howered cymes, the dichotomal flowers pedicelled : sej)als 

 mostly foliaceous and spreading, oblanceolate to narrowly obu- 

 vate, usually shorter than the pale yellow petals: capsule as in 

 the last.— Fl. Bor.-Am. i. 110; Torr. & Gray, Fl. i. 164. 



H. Kpharocarpum Barton, Fl. Philad. ii. 14, not Michx. 

 In moist ground, from Caniula to Pennsylvania, westward to the Winnipeg 

 valley. 



