GREENMAN. — NEW ANGIOSPERMS FROM MEXICO. 79 
lobes oblong, 8 to 4.5 mm. long, slightly inflexed at the acutish tip, in 
the later stages recurved: petals subreniform, entire, 2 mm. long, equally 
28 white: stamens as long as the petals; filaments about equalling 
e anthers: ovary glabrous: mature fruit not seen. — MExIco. State 
of Guanajuato: mountains of Santa Rosa near the City of Guanajuato, 
March, 1901, and 1902, Professor Alfredo Dugés, no, 352a (hb. Gr.). 
In the leaf-outline R. Dugesii suggests R. viscosissimum, Pursh, of 
western North America; but the two species have quite different flowers 
and pubescence. The affinity of R. Dugesii is evidently with 2. cam- 
panulatum, Humb. & Bonpl. in Roem. & Schultes, Syst. v. 500 (1819); 
‘ differs, however, from this species in the character of the petioles, and 
mn the absence of a hirsute pubescence on the under leaf-surface. From 
f. eiliatum, Humb. & Bonpl. 1. c. (2. jorullense, HBK. Nov. Gen. & 
Sp. vi. 61) R. Dugesti is readily separated by the more rotund, less 
deeply and more obtusely lobed leaves. : 
Cassia longicoma. Stems herbaceous, erect or nearly so from a 
ligneous base, 1 to 3 dm. or more high, and as well as the petioles and 
peduncles pubescent with short reflexed hairs with which are intermixed 
long horizontally spreading pilose hairs: leaves 6-foliolate; petioles 1.5 
to 3.5 cm. long; stipules linear-setaceous, 4to 9 mm. in length, pubes- 
Sean leaflets short-petiolulate, oblong or obovate-oblong, more or less 
oblique, 1 to 4 cm. long, 0.5 to 2 cm. broad, rounded or obtusish at the 
apex and short-mucronate, entire, densely appressed-pubescent on both 
Surfaces : peduncles axillary, 4 to 7.5 cm. long, mostly 3-flowered ; 
pedicels about 1 em. long: flowers nodding or erect, 1.5 to 2 cm. in 
diameter when fully expanded ; sepals oblong, 8 mm. long, 3 mm. broad, 
obtuse or rounded at the apex, the outer surface pubescent ; petals yel- 
low, obovate, narrowed at the base into a short claw, rather conspicuously 
3-5-nerved from the base; perfect stamens 7, subequal ; staminodia 3; 
ovary densely sericeous-pubescent: legume 6 to 8 cm. long, 5 to 6 mm. 
broad, appressed-pubescent with somewhat scatter 
short-acuminate, 3 to 4 mm. in length, slightly corrugate-pitted, and 
With a single central rather deep pit on either surface. — Mexico. 
State of Morelos: Jojutla, altitude 1000 m., 12 June, 1901, and 30 
August, 1902, C. G. Pringle, nos. 9674, 8665 (hb. Gr.). 
Cassia morelensis. Fruticose: stem and branches covered with 
a grayish bark: ultimate branchlets terminating in a rather firm spine, 
glabrous or sparingly appressed-puberulent : leaves small, including the 
canaliculate subappressed-puberulent petiole 8 to 12 mm. long ; leaflets 
3—4-paired, short-petiolulate, obovate or oblong-obovate, 3 to 5 mm. long, 
