Part 1, 1907] OXAMDACEAE 37 



cm. long, glabrous; sepals lanceolate to oblong, 3.5-4 mm. long, glabrous, each bearing 2 

 short apical tubercles ; petals purple, 8-11 mm. long; filaments pubescent, unappendaged. 



Type locality : Near Guadalajara, Jalisco, Mexico. 



Distribution : Jalisco. 



29. Ionoxalis lunulata (Zucc.) Rose, Contr. U. S. Nat. 

 Herb. 10: 113. 1906. 



i'i alts lunulata Zucc. Abh. Akad. Muench. 1 : 200. 1832. 

 lOxalis In iiu la la microphylla Benth. PI. Hartw. 59. 1840. 



Plants 0.5-1 dm. tall, stiff, the bulb-scales 3-ribbed ; leaves about as tall as the scape, 

 the petioles glabrous ; leaflets 3, the blades lunate, 4-7 mm. wide, glabrous, bright-green 

 above and only slightly paler beneath, the lobes ovate ; scapes glabrous or puberulent 

 above ; cymes 1-3-flowered ; . pedicels 3-12 mm. long, puberulent ; sepals lanceolate to 

 ovate-lanceolate, 2.5-3 mm. long, minutely pubescent, each bearing 2 short apical tubercles ; 

 petals white, 7-9 mm. long; shorter filaments glabrous; longer filaments pubescent, each 

 with an appendage on the back below the middle. 



Type locality : La Parada. 



Distribution : Middle Mexico. 



30. Ionoxalis calcaria Small, sp. now 



Plants 0.5-1.5 dm. tall, erect, the bulb-scales several-ribbed; leaves as tall as the 

 scape or nearly so, the petioles finely pubescent ; leaflets 3, the blades lunate, 10-23 mm. 

 wdde, dark-green and glabrous above, pale and sparingly pubescent beneath, the lobes 

 ovate to lanceolate ; scapes very sparingly pubescent ; cymes 5-14-flowered ; pedicels 

 0.5-1.5 cm. long, glabrous or nearly so ; sepals lanceolate to linear-lanceolate, 2.5-3.5 mm. 

 long, glabrous, each bearing 2 rather long apical tubercles ; petals wdiite, 6-9 mm. long ; 

 shorter filaments glabrous ; longer filaments pubescent, each with an appendage on the 

 back near the base. 



Type collected on Mount Alban, near the city of Oaxaca, Oaxaca, Mexico, June 16-21, 1S99, J. 

 N. Rose & Walter Hough 45S9. 



Distribution* : Oaxaca. 



31. Ionoxalis rupestris Small, sp. nov. 



Plants 1-1.5 dm. tall, lax, the bulb-scales 1-ribbed ; leaves shorter than the scape, the 

 petioles glabrous ; leaflets 3, the blades broadly cuneate, 9-18 mm. wide, bright-green 

 and glabrous above, glaucescent and sparingly pubescent beneath, the lobes broadly ovate ; 

 scapes glabrous; cymes 3-5-flowered ; pedicels 1-2.5 cm. long, glabrous; sepals linear 

 to linear-lanceolate, 2.5-3 mm. long, glabrous, each bearing 2 elongate apical tubercles ; 

 shorter filaments glabrous ; longer filaments glabrous, each with an appendage on the 

 back below the middle. 



Tvpe collected on wet cliffs below Trinidad Iron Works, Hidalgo, Mexico, May 6, 1904, C. G. 

 Pringh ss:: . 



Distribution : Known only from the type locality. 



32. Ionoxalis stipitata Rose, Contr. U. S. Nat. Herb. 10 : 114. 1906. 

 Plants 1-2 dm. tall, the bulb-scales several -ribbed; leaves somewhat shorter than the 



scape, the petioles more or less pubescent ; leaflets 3, the blades lunate or crescentic, 2-4 

 cm. wide, deep-green and glabrous above, paler and often with scattered hairs beneath ; 

 scapes less pubescent than the petioles ; cymes 4-9-flowered ; pedicels 1-2 cm. long, gla- 

 brous ; sepals lanceolate to oblong-lanceolate, 4-5 mm. long, glabrous, each bearing two short 

 apical tubercles; petals violet, 10-14 mm. long; shorter filaments glabrous; longer fila- 

 ments pubescent, each with an appendage on the back below the middle. 



Type locality' : Near Tlalnepantla, Federal District, Mexico. 



Distribution : Middle Mexico. 



33. Ionoxalis bipartita Rose, Contr. U. S. Nat. Herb. 10 : 110. 1906. 

 Plants 1-2 dm. tall, the bulb-scales several-ribbed ; leaves nearly as long as the scape, 



the petioles glabrous ; leaflets 3, the blades lunate or crescentic, 2-3 cm. wide, bright-green 



