. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 13. Viola nephrophylla Greene. Northern Bog Violet. Fig. 2935. _ r'lo/o n(?/'/iro/i/o'"a Greene, Pittonia 3 : 144. 1896. I'iola vagula Greene, Pittonia 4: 67. 1899. Nearly or quite glabrous; earliest leaves orbicular or slightly reniform, later leaves broadly ovate, cor- date, obtuse or bluntly pointed, crenate-serrate, li'- 2h' wide; flowers large, violet, on peduncles
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 13. Viola nephrophylla Greene. Northern Bog Violet. Fig. 2935. _ r'lo/o n(?/'/iro/i/o'"a Greene, Pittonia 3 : 144. 1896. I'iola vagula Greene, Pittonia 4: 67. 1899. Nearly or quite glabrous; earliest leaves orbicular or slightly reniform, later leaves broadly ovate, cor- date, obtuse or bluntly pointed, crenate-serrate, li'- 2h' wide; flowers large, violet, on peduncles exceed- ing the leaves; spurred petal villous, the lateral densely bearded, and the tw^o upper often with scat- tered hairs; sepals ovate to lanceolate, obtuse and often rounded ; cleistogamous flowers ovoid, on erect peduncles at length li'-X high; capsules green, gla- brous, short-ellipsoid; seeds olive-brown, nearly i" long. Cold mossy bogs and borders of streams and lakes, eastern Quebec to British Columbia, south to northwest- ern Connecticut, Wisconsin, Xew Mexico and Washing- 14. Viola retusa Greene. Western Blue \'iolet. Fig. 2936. i'iola retusa Greene, Pittonia 4: 6. 1899. Glabrous; rootstock vertical, often stout and much branching; leaves at petalifcrous flowering about 3' high, the blades about i' wide, broadly ovate, cor- date, slightly acuminate with obtuse apex; aestival leaves 2-3' wide, reniform, abruptly acuminate, the base cordate to truncate-decurrent, crenate-serrate; scapes somewhat exceeding the leaves; petals violet, the upper obovate, the lateral spatulate with clavate beard, the spur petal slightly hairy; sepals lanceo- late, white margined; cleistogamous flowers ovoid, on erect peduncles becoming 4'-5' long in fruit; cap- sules ellipsoid, green, 6" long; seeds brown, i" long.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
