350 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
14. PARRYELLA Torr. & Gray. 
Low much branched shrub with alternate glandular-dotted many-foliolate odd- 
pinnate leaves and terminal compound spikes of very small, dull yellowish-green 
flowers; calyx 5-toothed, with very short teeth; petals wanting; fruit a short, very 
glandular, 1-seeded pod. 
1. Parryella filifolia Torr. & Gray, Proc. Amer. Acad. '7: 397. 1867. 
Type LocaLity: Along the Rio Grande below Albuquerque, New Mexico. Type 
collected by Parry. 
Ranee: New Mexico and Arizona. 
New Mexico: Zuni Reservation; Rio Puerco; Black Rock; Belen; south of Fruit- 
land; Shiprock. Sand hills, in the Upper Sonoran Zone. 
15. PAROSELA Cav. 
Annuals or perennials with herbaceous or woody stems 60 cm. high or less; leaves 
mostly odd-pinnate, in one species palmately trifoliolate; flowers small, in crowded 
terminal spikes, bracteate; leaflets usually small, 1 to 20 pairs, mostly glandular- 
punctate; petals 5, 4 attached to the column of the monadelphous stamens, the ban- 
ner free; stamens 9 or 10; pods 1 or 2-seeded, usually indehiscent, included in the 
persistent calyx. 
KEY TO THE SPECIES. 
Calyx deeply lobed, the lobes broadly lanceolate, foliaceous. .... 1. P. calycosa. 
Calyx not deeply lobed, the teeth setaceous or subulate or short- 
triangular. 
Calyx glabrous, at least outside, short-pubescent on the mar- 
gins of the teeth or in the throat; calyx lobes short. 
Annual; bracts inconspicuous..........-....... ceeeeee 7. P. urceolata. 
Perennials; bracts conspicuous. 
Stems prostrate, herbaceous...................-....17. DP. glaberrima. 
Stems erect, more or less woody............. - 2. P. frutescens. 
Calyx variously pubescent, the lobes mostly setaceous ¢ or 
subulate. 
Plants glabrous, except the inflorescence; annuals or 
perennials. 
Stems woody; low shrub.................-.-...... 3. P. formosa, 
Stems herbaceous, woody at the base in one or two 
species. 
Perennials, from a thick woody base. 
Bracts sericeous, sparingly glandular; leaf- 
lets numerous. ............--....--- 11. P. grayt. 
Bracts glandular, the margins hyaline; leaf- 
lets 5 or 6 pairs. 
Spikes lax; corolla yellow; stamens9.. 4. P. enneandra. 
Spikes crowded; corolla purple; sta- 
mens 10.............------2.--- 5. P. pogonanthera. 
Annuals; stems slender, mostly erect. 
Leaflets very numerous; spikes elongated; 
plants generally more than 30 cm. 
high. ...-... 2-2-2222. eee eee 6. P. dalea. 
Leaflets 5 or 6 pairs; spikes short, almost 
capitate; plants generally less than 
30 cm. high. 
