ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 301 
CAESALPINIACEAE. 
THREE NEW SPECIES OF CERCIDIUM.« 
Until recently only three species of Cercidium have been known 
from North America, viz, C. floridiim Benth, C. teranwin A. Gray, 
and (. turreyana S. Wats. In 1903 Micheli described C. pleursfolia 
from western Mexico and now I am adding three which have been dis- 
covered in our rich Mexican accessions. 
Cercidium peninsulare Rose, sp. noy. 
A low tree much branched at top; young branches very green and pubescent; 
spines short and stiff, solitary; leaves several from each axil, pubescent; pinne 1 
pair; leaflets 2 or 3 pairs, oblong, rounded at base and apex, 10 to 12 mm, long; 
inflorescence 3 to 5-flowered; flowers yellow; ovary flattened, glabrous; pod 2.5 to 
3.5 cm. long, | or 2-seeded, often constricted near the middle. 
Collected by Dr. KE. Palmer at La Paz, Lower California in 1890 (no, 112); at the 
same station by J. N. Rose, June 14, 1897 (no. 1820) and again by E. A. Goldman 
April, 1899 (no. 388, type); and by A. W. Anthony at San Jose del Cabo in 1897 
(no. 363). 
This species has been distributed both as Parkinsonia microphylla and as P. torre- 
yana, but though we know little about it it seems quite distinct from either. 
Cercidium goldmani Rose, sp. nov. 
Tree 7 to 12 meters high, the bark somewhat greenish; infrastipular spines single, 
straight; leaves small; peduncle and rachis a little pubescent; pinnae 2 pairs; leaflets 
3 to 5 pairs, oblong, 3 to 5mm. long, glabrous on both sides; inflorescence a few- 
flowered raceme, the petiole and branches pubescent; flower-buds at first puberulent, 
soon glabrate; petals yellow; stamens very hairy below; ovary glabrous; pod oblong, 
5 to 9 em. long, acute, cuneate at base, 
Collected by KE. A. Goldman at San Geronimo, Oaxaca, February 14, 1904 (no. 735). 
Cercidium unijuga Rose, sp. noy. 
Tree 4.5 to9 meters high with greenish bark; infrastipular spines single, short, 
straight, stiff; common petioles short (5 mm. or so long), pubescent; pinnie 1 pair, 
divergent; leaflets 5 to 8 pairs, linear-oblong, 5 to 7 mm, long, obtuse or retuse, 
pubescent, soon glabrate above; inflorescence few-flowered, pubescent; flowers yel- 
low, about 15 mm. broad; stamens hairy at base; pod flattened, linear-oblong, 3 to 6 
em, long, 8 mm. broad, rounded or obtuse at apex, narrowly wedge-shaped at base, 
hardly stipitate, glabrous, few-seeded. 
Collected by KE. W. Nelson, near Cuicatlan, Oaxaca, October 8 to 24, 1894 (no. 1696). 
NEW NAME FOR A CASSIA. 
Cassia holwayana [oxe. 
Cassia multifiora Mart. & Gal. Bull. Acad. Brux. 10°: 305, 1845, not Schlecht. 1848, 
nor Vogel 1837. 
This is a very beautiful flowering species with much larger flowers and fewer 
leaflets than the so called ©. biflora, 
«Cercidium Tulasne, Arch. Mus. Par, 4: 133. 1844. Type species CL spinosa 
Tulasne, loc. cit. 134. 
