Part 1, 1907] OXALIDACEAE ' 31 



2. Ionoxalis Gonzalesii Rose, Contr. U. S. Nat. Herb. 10: 112. 1906. 



Plants 30-40 cm. tall, the bulb-scales many-ribbed ; leaves mostly about one half as 

 long as the scape, the petioles sparsely pubescent with lax hairs ; leaflets 9, the blades 3-8 

 cm. long, linear or slightly broadened upward, acute at the twisted apex, dark-green above, 

 paler beneath, usually with scattered hairs on the lower surface at least on or about the 

 veins ; scape nearly glabrous in age, but sometimes with scattered hairs especially on the 

 lower part when young ; pedicels 1-2 cm. long, glabrous ; sepals oblong-lanceolate, 4-5 mm. 

 long, glabrous, often purple at the base, each bearing 2 elongate apical tubercles ; petals 

 violet, 11-14 mm. long; shorter filaments glabrous; longer filaments pubescent above and 

 prominently appendaged on the back at about the middle. 



Type locality : Cerro del San Felipe, Oaxaca, Mexico. 



Distribution : Oaxaca. 



3. Ionoxalis magnifica Rose, sp. nov. 

 Plants 15-40 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 S, the blades cuneate, 2.5-4 

 cm. long, truncate or abruptly short-pointed, deep-green above, slightly paler beneath, 

 usually with scattered hairs on both sides ; scapes glabrous ; cymes mostly 12-24-flowered ; 

 pedicels 1.5-2.5 cm. long, glabrous or finely pubescent under the calyx ; sepals linear-lan- 

 ceolate to narrowly lanceolate, 5-6 mm. long, pubescent, each bearing 4, usually long and 

 irregular, more or less confluent apical tubercles ; petals dark-purple, 17-27 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, C. Conzatti 1491. 

 Distribution : Oaxaca. 



4. Ionoxalis lasiandra (Zuec.) Rose, Contr. U. S. Nat. 

 Herb. 10: 113. 1906. 



O.va/is lasiandra Zucc. Abh. Akad. Muench. 2 : 353. 1837. 



Plants 9-40 cm. tall, the bulb-scales many-ribbed ; leaves somewhat shorter than the 

 scape, the petioles sparingly pubescent with spreading hairs ; leaflets 7-9, the blades 3-8 

 cm. long, spatulate to narrowly cuneate, bright-green above, slightly paler beneath, with 

 scattered hairs on both surfaces and on the margins ; scape glabrous or nearly so ; cymes 

 10-24-flowered ; pedicels 1.5-3 cm. long, sparingly pubescent; sepals narrowly oblong, 

 4-5 mm. long, finely glandular-pubescent, obtuse, each bearing 2 short apical tubercles; 

 petals crimson, 14-1S mm. long; shorter filaments glabrous; longer filaments pubescent 

 above, each witli a prominent appendage on the back below the middle. 



Type locality : Mexico. 



Distribution : Mexico. 



Illustration: Bot. Mag;, pi. 3896. 



5. Ionoxalis multiceps Small, sp. nov. 

 Plants 28-40 cm. tall, the bulb not seen ; leaves considerably shorter than the scape, 

 the petioles closely pubescent with much-crisped hairs ; leaflets 4, the blades 3-3.5 cm. 

 long, obovate, minutely notched at the rounded apex, bright-green above, ciliate with crisped 

 hairs, clothed beneath with minute close-set whitish hairs; scape pubescent with scattered 

 hairs which are more numerous near the inflorescence; cymes 9-31-flowered ; pedicels 1.5- 

 2.5 cm. long, glabrous or slightly villous under the calyx ; sepals linear to linear-lanceolate, 

 5.5-6.5 mm. long, finely pubescent, each bearing two short apical tubercles; petals violet, 

 12-16 mm. long ; shorter filaments glabrous ; longer filaments pubescent above, each with a 

 prominent appendage on the back below the middle. 



Type collected, probably between Vera Cruz and Orizaba, Mexico, in 1854, Frederick Muller. 

 Distribution : Known only from the type locality. 



6. Ionoxalis Nelsonii Small, sp. nov. 

 Plants 25^15 cm. tall, tlie bulb-scales several-ribbed ; leaves shorter than the scape, the 

 petioles sparingly pubescent ; leaflets mostly 5, the blades 2-4 cm. long, obovate, rounded 



