. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 13. Botany; Botany. / 316 Hhodora [September Jy. 21, 1893 (ANS, M, Mo), custer: Custer, Rydberg, 850 (US) day: Waubay, Moore 65 (M). deuel: Toronto, Mole 885 (M T^''^^kl^f^°''\'Ir^⢠"^"°- 1895 (M). moody: Flandreau. Griffith,', 1858 (Mo.), cedar: Aten, Clements 2656 (CU Del G M TI«?1 cherry: sand-hills, SmUk and Pound 37 (Mo), custer-'Call'awrv Bate, mSJfl). orakt: Whitman, Rydberg 1818 (G US) keaS Mmden, Hapeman. Jy. 1897 (W). : Columbus, PenneuTsOU (ANS). SC0TT8


. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 13. Botany; Botany. / 316 Hhodora [September Jy. 21, 1893 (ANS, M, Mo), custer: Custer, Rydberg, 850 (US) day: Waubay, Moore 65 (M). deuel: Toronto, Mole 885 (M T^''^^kl^f^°''\'Ir^⢠"^"°- 1895 (M). moody: Flandreau. Griffith,', 1858 (Mo.), cedar: Aten, Clements 2656 (CU Del G M TI«?1 cherry: sand-hills, SmUk and Pound 37 (Mo), custer-'Call'awrv Bate, mSJfl). orakt: Whitman, Rydberg 1818 (G US) keaS Mmden, Hapeman. Jy. 1897 (W). : Columbus, PenneuTsOU (ANS). SC0TT8 bluff: Platte Bottom, RyMerg 2n (US) thoma«- Halsey, War, Jy. 1907 (UP). Ka/sa8: "LErvENwoRTr-Ft" Jy. 1883 (US). Manitoba: "N. W. Territory," NicoUet 4H (ANS) Can. 14146 (O, US), soueis: Turtle Mt., 139, 3y 1874 (Toronto). Winnipeg: Winnipeg, Scott, Jy. 1904 (Toronto/' Sas katchewan: "20 m. W. Yorkton? along Grand Trunk ScR R^ Can^4^?rn ^''^ ^"l** Saskatchewan," ^ao<mn, herb. G. S iTo^;^ /^N ^°^- ^siniboia: Souris Plain, Macmn, herb G. S Can 15254 (O). humbou)T: Wadena, itfcC^jare (Torokto); Touchwrd Hills, Macoun and Herriot, herb. G. S. Can. 78480 (0 AlC^ craigmyle: prairie, "SE 28^2-16 W 4," Brinkman, Jy 1923 (UsT Note: Wh. e the above are all referred to the var AtVfe«a, it should be observed that the variety reaches its most character stic form Prl'w*-''' ''^'°" ^"'* "i '^' Mississippi, and occasionally eastwar⢠From Wisconsin eastward, most plants seen lack the short stature of the prairie plant, and are placed in var. hirtella because of the combi- nation of general bristly pubescence, combined with leafy Zer- ^ulJ"' «?"P«»^»t*. var. nov.; caule paucifloro. calycis tubo oblongo vel hemisphaenco, antheris albis, capsulis subinflatis Type widely spaced flowers upon short (in fruit 4-5 mmT rather stout rough-puberulent pedicels, each with a pair of inconspic


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