36 NORTH AMERICAN FLORA [Volume 24 



branous, more than twice as long as the calyx, the standard broad, notched; style 3-4 mm. 

 long, slightly pubescent, strongly upcurved at the apex, the gland at the curve small, relatively 

 inconspicuous; pods 10-15 mm. long, 3-3.5 (-4) mm. wide, thin, pale-brown, glabrous, not 

 punctate or inconspicuously punctate distally with minute glands, straight or very slightly 

 upcurved at the apex, at maturity reflexed-spreading, on pedicels 0.5-1 mm. long; seed filling 

 two fifths to one half the length of the pod, 4.5-5 mm. long, obovoid-oblanceolate, light- 

 brown, with a narrow basal lobe. 



Type locality: Nova Hispania [Mexico]. 



Distribution: Rocky canons and hillsides, Durango and Tamaulipas to Oaxaca. 

 Illustrations: Ortega, Dec. pi. 9; H.B.K. Nov. Gen. & Sp. pi. 592; Jour. Wash. Acad. Sci. 

 5: 514./. 2; Rep. Smithson. Inst. 1915:284./. 26. 



3. Eysenhardtia reticulata Pennell, sp. nov. 



A much branched shrub or small tree, 3-5 m. high; stems grayish-brown, the young growth 

 slightly pubescent to glabrous; leaves 8-12 cm. long, spreading; stipules 2-3 mm. long, subu- 

 late; stipels bristle-like, from a broad base, reddish, less than 1 mm. long, shorter than the peti- 

 olules, soon deciduous; leaflets 25-37, narrowly oblong to oblong, 10-17 mm. long, dull-green 

 above, pale beneath, when young loosely pubescent, soon nearly or quite glabrous both 

 above and beneath, punctate beneath with small dark dots, strongly reticulate or membranous 

 racemes 4-9 cm. long; bracts 1-1.5 mm. long, lanceolate, brown, loosely pubescent to glabrate, 

 deciduous before and during anthesis; calyx-tube 2-2.5 mm. long, glandular-dotted, becoming 

 glabrate, ridged, split slightly more deeply on the posterior side; lobes 3-5 mm. long, acutish, 

 somewhat pubescent, ciliate; petals 5 mm. long, membranous, more than twice as long as the 

 calyx, the standard broad, notched; style 3-4 mm. long, slightly pubescent, slightly upcurved 

 at the apex, the gland at the curve large, conspicuous; pods (possibly not of this species) 10- 

 13 mm. long, 2-3 mm. wide, thin, pale-brown, glabrous, not punctate or inconspicuously- 

 punctate distally with minute glands, slightly upcurved at the apex, at maturity reflexed- 

 spreading, on pedicels about 1 mm. long; seed filling two thirds the length of the pod, 6 mm. 

 long, oblanceolate, flat, smooth, olive-brown, with a narrow basal lobe. 



Type collected in flower, on slopes of the barranca of Guadalajara, altitude 1500 meters, July 

 30, 1902, C. G. Pringlc 9752 (herb. N. Y. Bot. Gard.). 



Distribution: Dry slopes, Sonora to Zacatecas and Jalisco. 

 Illustration: Rep. Smithson. Inst. 1915: pi. 2 (opp. 277). 



4. Eysenhardtia subcoriacea Pennell, sp. nov. 



A much branched shrub or small tree; stems grayish-brown, the young growth finely 

 canescent with grayish incurved to appressed hairs; leaves 4-9 cm. long, spreading; stipules 1-3 

 mm. long, grayish, subulate; stipels subulate, grayish, 0.5-1 mm. long, equaling the petiolules 

 or shorter, more or less persistent; leaflets 19-37, oblong, 7-14 mm. long, dull-green above, 

 slightly paler beneath, closely puberulent both above and beneath, punctate beneath with minute 

 brown dots, decidedly reticulate above, firm; racemes 3-9 cm. long; bracts 1-2 mm. long, ovate- 

 acuminate, brown, pubescent, deciduous before anthesis; calyx-tube 2.5-3 mm. long, glandular- 

 dotted, canescent, strongly ridged, split slightly more deeply on the posterior side; lobes 0.3- 

 0.7 mm. long, acutish to acute, pubescent, ciliate; petals 6 mm. long, firm, from less than to 

 twice as long as the calyx, the standard broad, notched ; style 3-4 mm. long, slightly pubescent, 

 slightly upcurved at the apex, the gland at the curve small, not conspicuous; pods 10-12 mm. 

 long, 3-3.5 mm. wide, thin, pale-brown, glabrous, punctate distally with small glands, straight 

 or very slightly upcurved at the apex, at maturity reflexed-spreading, on pedicels 0.5-1 mm. 

 long; seed filling one third to two fifths the length of the pod. 



Tvpe collected in flower, at Izmiquilpan, Hidalgo, August, 1905, C. A. Purpus 1366 (herb. N. Y. 

 Bot. G'ard.). 



Distribution: Hidalgo and Puebla. 



5. Eysenhardtia cobriformis Pennell, sp. nov. 



A much branched small tree, 3-8 m. high; stems grayish-brown, the young growth canes- 

 cent with whitish incurved to appressed hairs; leaves 5-9 cm. long, spreading; stipules 2-3 



