55'i- 



VIOLACEAE. 



Vol. II. 



21. Viola Brittoniana Pollard. Coast 

 \ iolct. Fig. 2943. 



Viola Atlantica Britton, Bull. Torn Club 24: 92. 



1897. Not Pomel. 1874. 

 Viola Brittoniana Pollard, Bot. Gaz. 26: 1^2 



1898. 



Rootstock tliick, erect; scapes slender, 4'-8' 

 high, mostly longer than the leaves ; blades 

 reniform to ovate in outline; li'-2l' wide 

 when mature, 3-parted and the segments 2-4- 

 cleft into linear or oblanceolate acute lobes, 

 distantly serrulate, the middle lobe somewhat 

 the widest; glabrous except for minute pubes- 

 cence on the upper surface and margin ; fiow- 

 ers large, rich violet with the white throat 

 conspicuous ; sepals linear-lanceolate, acumi- 

 nate ; capsules ovoid-cylindric, 5"-8" long; 

 seeds buff, J" long. 



In peaty or moist sandy soil along the coast, 

 from southern Maine to Virginia. May-June. 



22. Viola pedatifida Don. Prairie or 



Larkspur \ iolet. Fig. 2944. 



Viola pedatifida Don. Gard. Diet, i: 320. 1831. 

 Viola delphinifolia Nutt ; T. & G. Fl. N. A. i: 

 136. 1838- 



Rootstock short, vertical; leaves palmately 

 multifid, primarily 3-parted or -divided, each 

 segment^ again 3-clet or -parted into linear 

 subdivisions, these often further cut into 2-4 

 lobes; leaves of late summer less deeply dis- 

 sected, sometimes 3-4' wide, usually cuneate 

 at the base with prominent flabelliform veins, 

 the lobes hirsutulous on the margin; scapes 

 exceeding the leaves, bearing showy, violet 

 flowers ; cleistogamous capsules yellowish 

 when ripe, s"-"!" long, on erect peduncles 

 commonly shorter than tlie petioles; seeds l" 

 long. 



Prairies, Ohio to Saskatchewan, southwest to 

 New Mexico and Arizona. April-June. 



23. Viola septemloba Le Conte. Southern 

 Coast \'iolet. Fig. 2945. 



Viola septemloba Le Conte. Ann. Lye. N. Y. 2 : 141. 1826. 



Glabrous; rootstock vertical; leaf-outline gener- 

 ally cordate-ovate ; first leaves often and sometimes 

 all the leaves uncut, others primarily 3-lobed, -cleft 

 or -parted with widely open sinus ; the middle seg- 

 ment uncut, relatively long and broad, usually nar- 

 rowed at the base, the lateral segments sometimes 

 imcut, but generally pedately cleft into 2-4 narrow 

 divergent parts, that become smaller toward the 

 base of the leaf: flowers violet, usually raised above 

 the foliage, the three lower petals villous at the base: 

 sepals narrowly lanceolate, with entire rounded 

 auricles ; cleistogamous flowers erect ; capsules green, 

 ovoid-cylindric, about 7" long; seeds dark brown, i" 

 long. 



Open pine barrens in light soil, southeastern Virginia, 

 south to Florida and southern Mississippi. March- 

 April. 



