244 PROCEEDINGS OF THE AMERICAN ACADEMY. 
dalgo: barranca below Trinidad Iron Works, altitude 1525 m., 13 July, 
1904, C. G. Pringle, no. 8932 (hb. Gr.). 
The glabrous character of the plant, with the smooth shining upper 
surface of the leaves, the gracefully recurved racemes and the bicolorous 
corollas, render this species of easy recognition, and readily separated 
from all known species of the genus, Its affinity, however, is apparently 
with the little known C. lucidum, Schlecht. & Cham. 
Cedronella Wrightii, n. sp. An herbaceous perennial: stem 
erect, 5 dm. or more high, densely short-pubescent: leaves petiolate, 
ovate to ovate-lanceolate, 1 to 5 cm. long, 0.5 to 3 cm. broad, obtuse or 
acute, more or less irregularly crenate-dentate, closely puberulent on 
both surfaces and somewhat canescent beneath : inflorescence an elon- 
gated verticillate spike ; the lower verticillasters becoming remote and 
subtended by foliar bracts, short-pedunculate : flowers small, 6 to 7 mm, 
long in anthesis : calyx short-tubular, subbilabiate, pubescent especially 
on the tube; calyx-teeth narrowly lanceolate or lance-linear, whitish 
or tinged with purple, the three upper teeth nearly or quite as long as 
the tube of the calyx, the two lower teeth about two-thirds as long - 
the upper: corolla about one-third longer than the calyx, purplish in 
fresh specimens, becoming more or less faded in the dried state: stamens 
slightly exserted: nutlets smooth, subtriangular in cross section with con- 
vex back, about 1 mm. long. — C. pallida, Torr. var. Bot. Mex. Bound. 
133 (1859), in part, as to pl. Wright, no. 1534. (C. mexicana, var. 
cana, Gray, forma, Syn. Fl. 1, pt. 2, 377 (1886). Hyptis spicata, Torr. 
1. c. 129.—Mexico. State of Sonora: mountains near Sta. Cruz, 
Wright, no. 1534 (hb. Gr.) ; San Bernardino, Thurber, no. 780 (hb. Gr.)- 
Unitep States. Arizona: Blue River, 8 September, 1902, Dr. Aes 
Davidson, no. 840 (hb. Gr.). 
he species here proposed has been much confused hitherto, as the 
literature cited would indicate. Dr. Gray, in his treatment of the genus 
Cedronella for the Synoptical Flora, finally passed Wright’s specimen 
above cited as a small flowered form of C. mexicana, var. cana, with the 
_ Comment “ fl. not well developed.” More material is now at hand, and 
careful dissections and comparisons of the Wright, Thurber, and David- 
son plants show the flowers of each to be perfectly normal, and many, 
too, are fully developed. These collections evidently represent one and 
the same species, differing from all other known American species except 
C. micrantha in the size of the flowers and deeply toothed calyx. C; 
Wrightii is distinguished from C. micrantha in having a longer more 
interrupted verticillate spike, longer calyx-teeth, and in the character of 
the pubesce 
