Caesalpiniaceae novae mexicanae, 111 
ovary long-stipitate, pubescent; pods 10 to 12 cm long, 12 mm broad, 
long-apiculate, on a stipe 10 to 18 mm long. 
Type U. S. National Herbarium no. 470546, collected by E. A. Gold- 
man at Tuxtla Gutierrez, Chiapas, March 8, 1904 (no. 742). 
3. Bauhinia (Pauletia) longiflora Rose, 1. c., p. 97. 
A bush 3 meters high, with pubescent branches; leaves orbicular, 
25 to 50 mm long, broadly cordate at base, lobed at apex, glabrous ` 
above, pale and pubescent beneath, 7 to 9-nerved; lobes rounded; petioles 
shorter than the leaves; stipules spinescent, unequal; flowers axillary in 
twos, or in terminal racemes, slender, 7,5 to 10 cm long, greenish-yellow; 
calyx spathaceous; petals 5, filiform; stamens 10, 5 anther-bearing; ovaries 
villous; pods 15 to 20 cm long, 12 mm broad. 
Type U. S. National Herbarium no. 305328, collected by Dr. E. 
Palmer, ravines and mountain sides, Ymala Sinaloa, August 16 to 25, 
1891 (no. 1426); in fruit, October 17 (letter D). 
4. Cassia arida Rose, |. c., p. 97. 
Perennial, much branched at base, erect, 15 cm high, pubescent; 
stipules linear, pubescent, often glandular; petioles slender, 3 to 4 cm 
long, bearing a slender gland between the leaflets of the lowest pair; 
leaflets 3 pairs, oblong, 15 to 22 mm long, tipped by a brown perhaps 
deciduous mucro; peduncles 6 to 9 cm long; pods 3 to 4 cm long 
somewhat incurved, acuminate, hairy. 
Type U. S. National Herbarium no. 453267, collected by J. N. Rose 
and Jos. H. Painter, near Higuerillas, Querétaro, August 23, 1905 
(no. 9778). A common plant of the deserts in that locality. 
5. Cassia demissa Rose, I. c., p. 97. 
Stems low, often trailing, much branched, pubescent; petioles slender, 
15 to 30 mm long; leaflets generally two pairs, rarely three pairs, oblong, 
10 to 15 mm long, mucronate, slightly pubescent above, appressed-pubes- 
cent beneath; peduncles about as long as the leaves, 2 or 3-flowered; 
pods very short, 10 to 12 mm long, mucronate. 
Type U. S. National Herbarium no. 280167, collected by C. G. Pringle 
near Carneros Pass, Coahuila, 1889 (no. 2783); also by Dr. E. Palmer 
in the Sierra Madre south of Saltillo, 1880 (no. 281). 
This species has been confused with C. vogeliana, but it has the pods 
much shorter, the leaflets fewer, &c. 
6. Cassia durangensis Rose, |. c., p. 98. 
Stems apparently single and erect, 20 to 40 cm high, velvety pubes- 
cent; leaflets 1 pair, broadly oblong to nearly orbicular, 3 to 5 cm long, 
with dense soft pubescence on both sides of a decidedly yellowish cast 
especially when young; peduncles longer than the leaves, usually 3 to 
5-flowered; pods strict, 8 to 3,5 cm long; seeds glossy. 
Type U. S. National Herbarium no. 304717, collected by Dr. E. 
Palmer near Durango in 1896 (no. 271); also near the same place by 
E. W. Nelson in 1898 (no. 4595). 
Perhaps nearest C. bauhinioides Gray, but of simple and more erect 
habit with larger and much broader leaflets, more upright pods, &c. 
