CATALOGUE. 105 



broadly ovate : racemes open : sepals oblong, obtuse, more or less pubes- 

 cent, 3 lines long, a half shorter than the corolla : upper petal veined with 

 purple, the claws and outer filaments densely stipitate-glandular : pods 

 linear-oblong, an inch long or more, nearly straight, puberulent and some- 

 what stipitate-glandular, 6-12-seeded. — From New Mexico and Arizona to 

 Northern Mexico ; at Camp Goodwin, Ariz., Rothrock (351). 



Hoffmanseggia drepanocarpa, Gray (PL Wright, i, 58). — Puberu- 

 lent, not glandular nor glandular-dotted, the stems scarcely 6 inches high, 

 from a perennial root: pinnae 2 to 5 pairs; leaflets 4 to 10 pairs, oblong, 

 obtuse, 2 or 3 lines long ; stipules and bracts broadly ovate : racemes open : 

 sepals oblong, acute, 2 or 3 lines long, about equalling the obovate sessile 

 naked petals : pods linear-oblong, curved, obtuse, an inch long or more, 

 puberulent, 6-10-seeded. — Colorado to New Mexico and Arizona; at Camp 

 Bowie, Ariz., Rothrock (1008). 



Paekinsonia* microphylla, Torrey (Bot. Mex. Bound. 59). — A shrub 

 5 to 10 feet high, with smooth light-green bark, much branched, the 

 straight rigid branchlets spinulose ; the younger branches and inflorescence 

 somewhat puberulent : common petioles very short or none, rarely spi- 

 nescent: leaflets 4 to 6 pairs, on a terete rhachis, broadly oblong or rounded, 

 obtuse or acutish, not narrowed at the oblique base, glaucous, 2 lines long 

 or less : racemes very short, axillary and sessile ; pedicels evidently jointed 

 a little below the flower : calyx valvate : petals 3 or 4 lines long, deep straw- 

 color, the upper one white : anthers orange, exserted : ovary appressed- 

 silky : pod 2 or 3 inches long, attenuate at each end, 1-3-seeded, contracted 

 between the seeds. — Southern Arizona, from the Colorado eastward ; col- 

 lected in 1871, the locality not given. 



Cassia bauhlnioides, Gray (PL Lindh. ii, 180). — Perennial, herbaceous, 

 a span high, stout, cinereous with a usually dense, more or less appressed 

 pubescence : leaflets a single pair, oblique, ovate-oblong, obtuse, 8 to 15 



* Paekinsonia, Linn. — Calyx 5-parted, with a long-turbinate base jointed on the pedicel; divi- 

 sions mostly valvate. Petals -with claws, the upper included and broadest, somewhat cordate; the claw 

 pubescent and nectariferous. Stamens 10, distinct ; filaments pilose at base, the upper one gibbous; 

 anthers versatile, dehiscent longitudinally. Style filiform, acute. Pod thin-coriaceous, 2-valved, linear 

 to linear-oblong, compressed, usually more or less torulose. Seeds albuminous.— Trees or shrubs, often 

 spinose ; leaves bipinnate, the common petiole short (often tpinescent or none), with 1 or 2 pairs of piu- 

 nte ; flowers yellow, on slender pedicels, in short loose racemes. — Watson, Flora Calif, i, 162. 



