Ill CONTRIBUTIONS PROM THE NATIONAL HERBARIUM. 



Ionoxalis occidental is Rose, Bp. DOV. 



Bulbs Bolitary, deep-seated; bulb scales acuminate, strongly man} about 

 aerved, sonic of the nerves anastomosing; leaflets I to 6, rather thick. Btrongly 

 aotched at apex, cnneate at base, glabrous; peduncles elongated, much longer than 

 the leaves and appearing with them; flowers i to 7, on Blender pedicels 2 to 3 cm. 

 long; sepals broadly oblong, <> to 7 nun. long, rounded or even truncate at the apex, 

 thin with broad purple margins, glabrous, with 3 or \ glands near tip; petals deep 

 purple above, pale below, 2 cm. long; filaments Bomewhat hairy; Btyles pubescent. 



Type i. B, National Herbarium no. 301992, collected by J V Rose on the road 

 between Bolafios and Guadalajara, but in the State of Zacatecas, September 20, i v,, 7 

 (no. 3035 . 



This is a very beautiful species, worthy of cultivation. 

 Ionoxalis primavera Rose, Bp. now 



Bulbs of medium size; scales oblong, very fibrous, the nerves 12 or morej leaflets 

 ;;. triangular in outline more or less Btrongly lobed at apex, the lobes generally broad 

 and rounded at apex: peduncles 20 to 30 cm. long, nearly twice as long as the leaves; 

 pedicels and calyx glandular-pubescenl even in age; flowers numerous, purplish; 

 sepals lanceolate, obtusish, glandular at tip, 5 to 6 nun. long; petals 12 to 16 nun. 

 long; pubescenl within: filaments only slightly pubescent. 



Very common in the lowlands of Tepic and Sinaloa, where it was collected by 

 J. X. Rose. July 2, L897 I no. 1508 i. This specimen, the type, from A.cafxmeta, Tepee, 

 is no. 300348 of the U. S. National Herbarium. 



This plant begins to flower a few days after the first rains and is one of the very 

 earliest of the herbaceous plants to appear on the dry plain- of western Mexico. 

 Later in the season it is bo abundant thai it becomes a troublesome weed in corn- 

 fields. 



This species has been in cultivation since L897 in the Washington Botanical Gar- 

 den, where it has flowered several times. 

 Ionoxalis pringlei Rose, sp. novi 



Bulbs solitary; leaves radial, several; petioles slender, glabrous; leaflet- broadly 

 cuneate, obcordate, glabrous, L0 to 20 mm. broad; peduncle 15 to 25 cm. Long, much 

 Longer than the leaves, glabrous, 2 to 8-flowered; involucral bracts small, slightly 

 pubescent, acute, gland-tipped; peduncles 12 to 35 mm. Long, slender; sepals ovate, 

 acute. 4 mm. long, glabrous, with scarious margins and gland-tipped; petals bine, 

 yellowish below, 10 mm. long; 5 filaments Longer than the others; capsule linear, 

 elongated, 15 mm. Long. 



Type U.S. National Herbarium no. 304003, collected by Dr. ('. <'. Pringle on 

 lava beds on the side of sierra de Ajusco, Distrito Federal, altitude 2,550 meters, 

 September 8, L896 I no. 6483). 

 Ionoxalis schiedeana (Zucc.) Rose. 



Oxalis achiedeana Zucc. AMi. Math. Phys. Classe 2:352. 1834. 

 Ionoxalis stipitata Rose, Bp. now 



Bulbs globular, small, covered with thin coats, these with about 8 to L0 delicate 

 nerves, ciliate; young buds hairy; leaflets 3, becoming glabrate, 2-lobed; Lobes 

 widely spreading, Linear-oblong, obtuse; sepals oblong, 4 mm. Long, obtuse, purplish 

 at tip. 2-glandular; petals pale blue, 11 mm. long; stamens 10, united below, of two 

 Lengths; free pari of filaments broad below, the 5 longer filaments hairy, the 5 

 shorter glabrous; ovary stipitate; Btyles(in specimens seen) Long, hairy; fruit rather 

 broad, one and one-hall* times Longer than the sepals. 



Type CJ.S. National Herbarium no. 10241, collected by ('.<-. Pringle, near Tlalne- 

 pantla, Valley of Mexico, July 5, L898 I no- 6894 . 

 Ionoxalis stolonifera Rose, Bp. nov, For description see p. LSI. 



