199 



lar ; leaves round-cordate to broadly ovate-cordate, 2' to 3' 

 broad ; calyx at time of flowering campanulate, conspicuously 

 oblique, 3" to 5" long, lobes unequal ; petals small, spatulate, a 

 little longer than calyx lobes ; stamens soon exserted, often be- 

 coming longer than the petals. 



Virgiiiia. — Gray. Michigan. — Kalamazoo, Tuthill. Illinois. 

 — Babcock ; Augusta, S. B. Mead; near Oquawka, Patterson; 

 Ringwood, Vasey ; Marion Co., Bebb; Winnebago Co., Bebb ; 

 Athens, E. Hall. Wisconsin. — Madison, S. H. Watson, Hale. 

 lozva. — Decorah, Collett. Minnesota. — Bass wood Lake, Arthur, 

 No. 431 (B.) Dakota.— ^o-^ Elder Creek, W. S. Rusby. Mon- 

 tana — Park Co., Tweedy, No. 259; Bozeman Pass, Canby, No. 

 116, (distrib. as H. cylindricd). Idaho. — Allen. British Amer- 

 ica. — Hooker; English River, Kennicott ; Lake Superior, Ma- 

 coun ; Lake Winnepeg, (Dr. Gunn, in Herb. Torrey) ; Lake 

 Winnepeg Valley, Bourgeau ; Saskatchawan, Bourgeau ; Assini- 

 boia, Sourie Plains, Macoun, No. 733 ; Rocky Mts., Kananaskis, 

 Macoun ; Lake Shebandedwan, Ontario, Macoun. 



Var. HIRSUTICAULIS, n. var. 



Plirsute ; stems for their entire length, as well as petioles and 

 larger veins on lower surface of leaves, thickly beset with white 

 or slightly yellowish spreading hairs; stems i° to 2° high, naked, 

 or bearing one or two very small leaves or laciniate bracts; ,root 

 leaves round-cordate with a broad and deep sinus at base, i' to 3' 

 broad, with 5 or 7 obtuse lobes, lobes crenate-apiculate, margin 

 ciliate, upper surface glaucous, or nearly so, lower surface pale ; 

 calyx at time of flowering campanulate, rather short and broad, 

 about 2" long, very slightly, if at all, oblique, minutely glandu- 

 lar, parted almost half way down, lobes somewhat unequal, ob- 

 tuse, green, base of calyx often brownish ; petals small, spatulate, 

 green, looking like smaller calyx lobes, and like them minutely 

 glandular, not projecting beyond calyx lobes ; stamens much ex- 

 serted; seeds numerous, about yl" long, dark brown, muricate, 

 oblong, curved, triangular in section. 



Missouri. — St. Louis, Engelmann ; Louisiana, Pech. 



This plant differs from H. hispida mainly in having an open, 

 spreading panicle, and much smaller flowers. It may, perhaps, 

 be a distinct species, but as there appear to be intermediate forms, 

 it would seem best, for the present at least, to consider it a 

 variety. 



