ROSE — MEXICAN AND CENTRAL AMERICAN PLANTS. 305 



ments glabrous; longer filaments pubescent near the tip, unappenclaged; styles mostly 

 pubescent; capsules columnar, 9 to 11 mm. long, glabrous. 

 Type collected at Colomas, Sinaloa, Mexico, July 15, 1897, by J. N. Rose (no. 1651). 



Ionoxalis macilenta Small, N. Amer. Flora 25 1 : 35. 1907. 



Plants 3 to 7 cm. tall, the bulb scales 3-ribbed; leaves as tall as the scape or nearly so, 

 the petioles glabrous or with few scattered hairs near the top; leaflets mostly 4, the 

 blades 7 to 13 mm. long, obovate to spatulate-obovate, obtuse at the apex, bright green 

 above, glaucous beneath, often with scattered hairs on the upper surface near the mar- 

 gin; scapes glabrous or nearly so; cymes 1 or 2-flowered; pedicels about 1 cm. long, 

 glabrous; sepals linear to linear-lanceolate, 3 to 4 mm. long, glabrous, each bearing two 

 rather short apical tubercles; petals white, 13 to 16 mm. long; shorter and longer fila- 

 ments pubescent, unappendaged. 



Type collected between Santa Gertrudis and Santa Teresa, Tepic, Mexico, August 

 8, 1897, by J. N. Rose (no. 3323). 



Ionoxalis magninca Rose, N. Amer. Flora 25': 31. 1907. 



Plants 15 to 40 cm. tall, the bulb scales several-ribbed; leaves fully one-half as tall 

 as the scape or less, the petioles finely pubescent; leaflets mostly 7 or 8, the blades 

 cuneate, 2.5 to 4 cm. long, truncate or abruptly short-pointed, deep green above, 

 slightly paler beneath, usually with scattered hairs on both sides; scapes glabrous; 

 cymes mostly 12 to 24-flowered; pedicels 1.5 to 2.5 cm. long, glabrous or finely pubes- 

 cent under the calyx; sepals linear-lanceolate to narrowly lanceolate, 5 to 6 mm. long, 

 pubescent, each bearing four, usually long and irregular, more or less confluent apical 

 tubercles; petals dark purple, 17 to 27 mm. long; shorter and longer filaments glabrous, 

 the latter appendaged on the back; styles pubescent; capsules slender, about 1 cm. 

 long. 



Type collected at Alturas de Matatlan, Oaxaca, Mexico, June 19-23, 1906, by C. 

 Conzatti (no. 1491). 



Ionoxalis mucronata Rose, N. Amer. Flora 25 1 : 40. 1907. 



Plants 20 to 30 cm. tall, the bulb scales several-ribbed; leaves mostly less than one- 

 half as tall as scape, the petioles glabrous, except for some hairs below the leaf blade; 

 leaflets 3, the blades obdeltoid, only slightly emarginate or truncate at the apex, 

 glabrous, bright green above, glaucous beneath; scape glabrous; cymes about 9-flow- 

 ered; pedicels 1 cm. long or slightly longer at maturity, glabrous; sepals linear to 

 oblong- lanceolate, 4.5 to 5 mm. long, glabrous, each bearing two long apical tubercles; 

 petals violet, 12 to 14 mm. long; shorter filaments glabrous; longer filaments pubes- 

 cent, each with an appendage on the back below the mildde. 



Type collected on Sierra de Tepoxtlan, Morelos, Mexico, September 21, 1903, by 

 J. N. Rose and J. II. Painter (no. 7247). 



Ionoxalis painteri Rose, N. Amer. Flora 25 1 : 34. 1907. 



Plants 5 to 15 cm. tall, the bulb scales many-ribbed; leaves fully one-half as long 

 as the scape, the petioles glabrous; leaflets mostly 7 to 9, the blades 1 to 2.5 cm. long, 

 cuneate, sometimes narrowly so, notched to above the middle, bright green above, 

 glaucous beneath, ciliate; scapes glabrous; cymes 5 to 11-flowered; pedicels 1 to 1.5 

 cm. long, glabrous or nearly so; sepals oblong, 3 to 4 mm. long, obtuse, glabrous, each 

 bearing two short apical tubercles; petals violet, 8 to 11 mm. long; shorter and longer 

 ones appendaged on the back; styles pubescent; capsules oblong, 6 to 9 mm. long. 



Type collected between Pachuca and Real del Monte, Hidalgo, Mexico, August 31, 

 1903, by J. N. Rose and J. H. Painter (no. 6705). 



Ionoxalis quadriglandula Rose, N. Amer. Flora 25 1 : 40. 1907. 



Plants 10 to 15 cm. tall, the bulb scales 3-ribbed; leaves fully one-half as tall as the 

 scape, the petioles glabrous; leaflets 3, the blades lunate, 1.5 to 2.5 cm. wide, bright- 

 green above, glaucescent beneath, glabrous, the lobes ovate; scape sometimes spar- 

 ingly pubescent on the lower part; cymes 4 or 5-flowered; pedicels 1 to 2.5 cm. long, 



