44 NORTH AMERICAN FLORA [Volume 25 



61. Ionoxalis primavera Rose, Contr. U. S. Nat. Herb. 10 : 114. 1906. 



Plants 1-1.5 dm. tall, the bulb-scales many-ribbed ; leaves about one half as tall as the 

 scape or more, the petioles glabrous ; leaflets 3, the blades lunate, 2-4 cm. wide, glabrous, 

 deep-green above, slightly paler beneath than above, the lobes ovate ; scapes often 

 minutely pubescent; cymes 3-7-flowered ; pedicels 1-1.5 cm. long, minutely pubescent; 

 sepals oblong to linear, 3-4 mm. long, pubescent, each bearing 2 rather thick apical tuber- 

 cles ; petals violet, 16-20 mm. long ; shorter and longer filaments pubescent, unappend- 

 aged. 



Tvpe LOCALITY : Acaponeta, Tepic, Mexico. 



Distribution : Southern Mexico and Guatemala. 



62. Ionoxalis violacea (L,.) Small, Fl. SE. U. S. 665. 1903. 



Oxalis violacea E. Sp. PI. 434. 1753. 



Plants 1-4 dm. tall, the bulb-scales 3-ribbed ; leaves one half as tall as the scape or 

 more, the petioles glabrous; leaflets 3, the blades obreniform, 1-2.5 cm. wide, glabrous, 

 bright-green above, slightly paler-green beneath, the lobes rounded ; scapes glabrous ; cymes 

 simple, 4-19-flowered ; pedicels 1-3 cm. long, glabrous; sepals oblong to ovate-oblong, 4-6 

 mm. long, glabrous, each bearing 2 short irregular confluent apical tubercles ; petals violet, 

 14-20 mm. long; shorter and longer filaments pubescent, or the shorter ones sometimes 

 glabrous; capsules globose -ovoid, 4-5 mm. long. 



Type locality : Virginia. 



Distribution: Maine to the Rocky Mountain region, Florida, and Texas. 

 Illustrations : Bot. Mag. pi. 2215 ; A. Gray, Gen. 111. pi. 44, fig. 1-6; Britt. & Brown, 111. Fl. 

 f. 2251. 



63. Ionoxalis Grahamiana (Benth.) Small. 



Oralis Grahamiana Benth. PI. Hartw. 9. 1839. 



Plants 1-2.5 dm. tall, the bulb-scales 3-ribbed ; leaves about one half as tall as the 

 scape, the petioles glabrous ; leaflets 3, the blades obreniform, 1-2.5 cm. wide, nearly 

 truncate or shallowly notched at the apex, glabrous ; scapes glabrous ; cymes simple, mostly 

 2-5-flowered; pedicels 1-3 cm. long, glabrous ; sepals lanceolate to oblong-lanceolate, 4.5- 

 5.5 mm. long, each bearing 2 long partially confluent apical tubercles which are mostly 2- 

 lobeil at the base ; petals violet, 12-15 mm. long ; shorter filaments glabrous ; longer fila- 

 ments pubescent, unappendaged. 



Type locality : Tlalpuxahua, Mexico. 

 Distribution : Known only from the type locality. 



64. Ionoxalis Drummondii (A. Gray) Rose, Contr. U. S. Nat. 



Herb. 10 : 111. 1906. 



Oxalis Vespertilionis T. & G. Fl. N. Am. 1 : 679. 1840. Not O. Vesperiilionis Zucc. 1S34. 

 Oxalis Di ummondii A. Gray, PI. Wright. 2 : 25. 1853. 

 Ionoxalis Vespertilionis Small, Fl. SE. U. S. 665. 1903. 



Plants 1-3 dm. tall, the bulb-scales 3-ribbed ; leaves fully one half as tall as the scape 

 or equaling it, the petioles glabrous ; leaflets 3, the blades crescentic to lunate, sometimes 

 broadly so, 1.5-6 cm. wide, glabrous, bright-green above, pale-green beneath, the lobes 

 ovate to oblong or lanceolate ; scapes glabrous ; cymes 4-8-flowered ; pedicels 1-4 cm. long, 

 glabrous; sepals oblong to linear-oblong or oblong-lanceolate, 4.5-6 mm. long, glabrous, 

 each bearing 4-6 more or less confluent apical tubercles ; petals violet, 15-20 mm. long ; 

 shorter and larger filaments sometimes pubescent, unappendaged ; styles mostly pubescent ; 

 capsules broadly oblong, 7-9 mm. long. 



Ty'pe locality : Texas. 



Distribution : Texas and New Mexico. 



65. Ionoxalis Martiana (Zuec.) Small, Fl. SE. U. S. 665. 1903. 



Oxalis Marliana Zucc. Denks. Akad. Muench. 9: 144. 1825. 

 Oxalis bipunclala Graham, Edinb. New Phil. Jour. 16: 176. 1827. 



Plants 1-3 dm. tall, the bulb-scales 3-ribbed ; leaves usually as tall as the scapes or 

 nearly so, the petioles villous ; leaflets 3, the blades suborbicular, varying to orbicular- 



