Eggleston's Milkvetch

Tium egglestonii Rydberg, sp. nov
A cespitose perennial; stems woody at the base, usually erect, 2-3 dm. high, branched, striate, sparingly strigose; leaves ascending, 3-6 cm. long; stipules broadly deltoid, 2-3 mm. long; leaflets 15-25, oblong, 4-7 mm. long, 1-2 mm. wide, bright-green, obtuse, glabrate above, strigose beneath; peduncles 5-12 cm. long, erect, striate; racemes 5-8 cm. long; bracts ovate, 1 mm. long; calyx sparingly black-strigose, the tube 2 mm. long, the teeth 1 mm. long, subulate; corolla ochroleucous ; banner broadly obovate, retuse, 7-8 mm. long, strongly arched; wings 6-7 mm. long, the blade elliptic; keel-petals 5-6 mm. long, the blade broadly lunate, strongly arched, rounded at the apex; pod about 2 cm. long, nearly 3 mm. wide and thick, membranous, reticulate, glabrous, tapering at each end, substipitate at the base, triangular-cordate in crosssection.
Type collected in Datil Forest, Socorro County, New Mexico, September 7, 1920, Eggleston 17216 (herb. N. Y. Bot. Gard).
Distribution: New Mexico and Arizona.

Perennial, Herbs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems erect or ascending, Stems less than 1 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules membranous or chartaceous, Stipules persistent, Stipules connate to each other, forming a tuber or sheath, Leaves compound, Leaves odd pinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves hairy on one or both surfaces, Inflorescences racemes, Inflorescence axillary, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx glabrous, Petals separate, Corolla papilionaceous, Petals clawed, Petals ochroleucous, cream colored, Petals greenish yellow, Peta ls bicolored or with red, purple or yellow streaks or spots, Banner petal narrow or oblanceolate, Wing petals narrow, oblanceolate to oblong, Wing tips obtuse or rounded, Keel petals auriculate, spurred, or gibbous, Keel tips obtuse or rounded, not beaked, Stamens 9-10, Stamens diadelphous, 9 united, 1 free, Filaments glabrous, Style terete, Style persistent in fruit, Fruit a legume, Fruit stipitate, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit strongly curved, falcate, bent, or lunate, Fruit or valves persistent on stem, Fruit exserted from calyx, Fruit beaked, Fruit glabrous or glabrate, Fruit 3-10 seeded, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.