Part 1, 1907] OXAUDACEAE 4;? 



cymes 2-4-flowered ; pedicels mostly about 2 cm. long, glabrous ; sepals oblong-lanceolate 

 to linear-oblong, about 2 mm. long, each bearing 2 apical tubercles ; petals pale-lilac, al m nit 

 10 mm. long ; shorter filaments glabrous ; longer filaments pubescent, unappendaged. 



Type locality : Near Santa Teresa, Tepic, Mexico. 

 Distribution : Known only from the type locality. 



57. Ionoxalis gregaria Rose, Contr. U. S. Nat. Herb. 10: 112. 1906. 



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

 or less ; the petioles minutely pubescent ; leaflets 3, the blades cun eate-obovate to obdel- 

 toid in outline, 1-3 cm. wide, usually glabrous in age, bright-green above, glancescent 

 beneath ; scapes relatively slender or lax ; cymes 3-15-flowered ; pedicels 1-2.5 cm. long, 

 minutely pubescent ; sepals oblong or nearly so, 2.5-3 mm. long, glabrous, except the 

 sometimes ciliolate apex, each bearing 2 short apical tubercles ; petals violet, 8-11 mm. 

 long; shorter filaments glabrous; longer filaments pubescent, unappendaged. 



Type locality- : Near Cuernavaca, Morelos, Mexico. 

 Distribution : Morelos. 



58. Ionoxalis intermedia (A. Rich.) Small. 



Oxalis intermedia A. Rich. Ess. Fl. Cuba 315. 1842. 



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

 scape or equaling it, the petioles sparingly pubescent; leaflets 3, the blades broadly obdel- 

 toid in outline, 2-6 cm. wide, bright-green and glabrous above, paler and commonly with 

 scattered hairs beneath, the lobes ovate ; scapes pubescent like the petioles ; cymes 4-13- 

 flowered ; pedicels 1-2 cm. long, glabrous; sepals ovate to broadly oblong, 4-5 mm. long, 

 glabrous, each bearing 2 thick apical tubercles; petals violet, 11-14 mm. long; shorter fil- 

 aments slightly pubescent ; longer filaments copiously pubescent, unappendaged. 



Type locality : Cuba. 



Distribution: Bahamas; Cuba; Danish West Indies; Guadeloupe; Martinique. 



59. Ionoxalis attenuata Small. 



Oxatis Vesperlilionis Zucc. Abh. Akad. Muench. 2 : 350. 1837. 



Ionoxalis Vesperlilionis Rose, Contr. U. S. Nat. Herb. 10: 115. 1906. Not /. Vesperlilionis 

 Small. 1903. 



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

 the petioles often pubescent with scattered hairs ; leaflets 3, the blades crescentic, with linear- 

 lanceolate or linear lobes, 2-6.5 cm. wide, glabrous at least in age, deep-green above, 

 paler beneath ; scapes glabrous or nearly so ; cymes simple, 5-9-flowered ; pedicels 1-2 cm. 

 long, puberulent, or glabrous in age ; sepals narrowly oblong to oblong-lanceolate, 4-5 mm. 

 long, each bearing 2 short apical tubercles; petals violet, 9-13 mm. long; shorter fila- 

 ments glabrous; longer filaments pubescent, unappendaged; capsules columnar, 12-15 mm. 

 long. 



Type locality': Mexico. 



Distribution : Middle and southern Mexico. 



60. Ionoxalis dimidiata (Donn. Smith) Small. 



Oxaiis dimidiata Donn. Smith, Bot. Gaz. 15: 27. 1890. 



Plants 1-1.5 dm. tall, the bulb-scales succulent ; leaves as tall as the scape or slightly 

 taller, the petioles sparingly pubescent; leaflets 3, the blades lunate in outline, 2-3 cm. 

 wide, deep-green above, pale and often sparingly pubescent beneath, the outer lobe of the 

 lateral leaflets reduced to a narrow wing ; scapes pubescent like the petioles ; cymes mostly 

 2^1-flowered ; pedicels mostly 1-2 cm. long, sometimes slightly longer, glabrous ; sepals 

 lanceolate, 3.5-4 mm. long, glabrous except the sometimes ciliate apex, each bearing 2 

 apical tubercles ; petals purple, 10-12 mm . long ; shorter filaments glabrous ; longer fila- 

 ments pubescent, unappendaged. 



Type locality : Near Coban, Guatemala. 

 Distribution : Guatemala. 



