Part 1, 1919] FABACEAE: PSORALEAE 25 



free; banner obovate-oblong, reflexed; wings linear-oblong or oblong-oblanceolate; keel- petals 

 oblong-spatulate. Stamens 10, monadelphous at the base; staminal tube split above; anthers 

 equal. Ovary sessile, with a single ascending ovule; style filiform, persistent; stigma capi- 

 tate, oblique. Pod half-included, coriaceous, indehiscent, flat, carinate, semiorbicular, con- 

 spicuously glandular-punctate. 



Type species. Apoplanesia paniculate Presl. 



1. Apoplanesia paniculata Presl, Symb. Bot. 1: 64. 1831. 



Microlobium glandulosum Liebm. Vidensk. Meddel. 1853: 105. 1854. 

 ? Psoralea arborea Sesse & Moc. Fl. Mex. ed. 2. 169. 1894. 

 Eysenhardtia Olivana Safford, Jour. Wash. Acad. Sci. 6: 133. 1916. 



A shrub, 1.5-2 m. high; branches terete, at first puberulent; leaves 10-17 cm. long; petiole 

 and rachis puberulent and grooved; leaflets 1 1-17, oblong, 2-5 cm. long, 1-1.5 cm. wide, rounded 

 at both ends or retuse at the apex, glabrous above, puberulent and somewhat paler beneath; 

 petiolules 2-3 mm. long; panicles 1-1.5 dm. long, branched, puberulent; calyx in anthesis 3-5 

 mm. long, green, glandular-punctate, in fruit 8-10 mm. long; corolla white; petals about 6 mm. 

 long, obtuse, veiny; banner with a yellowish spot at the base; pod 4-5 mm. long, puberulent, 

 conspicuously punctate. 



Type locality: Unknown; that of Microlobium: Oaxaca, near the Pacific Ocean. 



Distribution: Colima to Yucatan and Guatemala. 



Illustrations: Presl, Symb. Bot. pi. 41; Jour. Wash. Acad. Sci. 6: 135. /. /. 



10. PARRYELLA T. & G.; A. Gray, Proe. Am. Acad. 7: 397. 

 1868. 



Low shrubs, with glandular-punctate foliage. Leaves odd-pinnate, with many leaflets. 

 Flowers in terminal racemes. Calyx turbinate, 10-striate, with 5 short equal teeth. Corolla 

 wanting. Stamens 10; filaments free, inserted on the hypanthium; anthers uniform. Ovary 

 2-ovuled; style thick, bent near the apex; stigma gland-like, lateral. Pod indehiscent, obliquely 

 obovoid, conspicuously glandular-punctate. Seed solitary, oval in outline, somewhat com- 

 pressed. 



Type species, Parryella filifolia T. & G. 



Leaflets linear-filiform to narrowly elliptic; calyx not conspicuouslv glandular-punc- 

 tate. 1. P. filifolia. 

 Leaflets broadly oblong to nearly orbicular; calyx conspicuously glandular-punctate 2. P. rotundata. 



1. Parryella filifolia T. & G.; A. Gray, Proe. Am. Acad. 7: 397. 

 1868. 



A low shrub, broom-like, much branched ; branches glabrous or sparingly strigose, rough- 

 ened with somewhat raised glands, becoming ash-colored; leaves 3-12 cm. long, ascending; 

 stipules minute, subulate, deciduous; leaflets 11-45, linear-filiform to oblong, 5-15 mm. long, 

 0.5-2 mm. wide, strigose or glabrate, conspicuously glandular-punctate, often involute; ra- 

 cemes lax, 5-10 cm. long; bracts minute, deciduous; pedicels 1-1.5 mm. long; calyx 2.5 mm. 

 long, glabrous except the ciliolate margins of the broad triangular teeth; filaments exserted, 

 about twice as long as the calyx; style slightly pilose; pod 5-6 mm. long, 2.5-3 mm. wide, 

 obliquely obovoid, with a short beak, conspicuously glandular-punctate. 



Type locality: Along the Rio Grande, below Albuquerque, New Mexico. 

 Distribution: New Mexico and Arizona. 



2. Parryella rotundata Wooton, Bull. Torrey Club 25: 457. 



1898. 



A low shrub 5-S dm. high, branching at the ground, spreading; branches canescent- 

 strigose and with numerous glands; leaves 10-12 cm. long; leaflets about 51, broadly elliptic 

 to rounded, obtuse or retuse, 1-6 mm. long, the upper ones very small; stipules 3-5 mm. long, 

 narrowly lanceolate, deciduous; racemes short, crowded, 1-2 cm. long; bracts linear; calyx 



