GREENMAN,— NEW ANGIOSPERMS FROM MEXICO, 109 
Spilanthes macrophylla. Stems erect or nearly so, 2.5 to 6 dm. 
high, striate, sparingly pubescent with spreading hirsute hairs, glabrate : 
leaves opposite, petiolate, ovate-lanceolate, 5 to 15 cm. long including the 
petiole, 1.5 to 4 cm. wide, acuminate, acute, entire to rather conspicuously 
sinuate-dentate, narrowed at the base into a slender. ciliate petiole, 
glabrous on both surfaces or with a few scattered hirsute hairs on the 
midrib and veins beneath, membranous: heads radiate, 8 to 10 mm. high, 
on long axillary and terminal somewhat sulcate sparingly subappressed- 
hirsute 2 to 15 cm. long peduncles: involucre, 2-seriate ; scales of the 
involucre linear-lanceolate, 4 to 7 mm. long, acute, externally hirsute- 
pubescent : ray-flowers about 10; rays yellow: disk-flowers numerous: 
achenes about 2 mm. long, bearing two slender pappus-awns, ciliate on 
_ the margins, sparingly appressed-pubescent on both surfaces. — Costa 
Rica. Bord du Rio del Volcan, 2 February, 1891, H. Pittier, no. 3717 
(hb. Gr.) ; Salutre de San Murios, altitude 1355 m., Ad. Tonduz, no. 
7831 (hb. Gr.) ; Alto del Sacate, Cerro de Buena Vista, January, 1897, 
H. Pittier, no. 10,546 (hb. Gr., and hb. Inst. Phys.-Geog. Cost. Ri.). 
Pittier’s no. 3717 and Tonduz’s no. 7831, both of the Pittier and Dur- 
and, “ Plante costaricensis exiccate,” were referred by Klatt to Spilan- 
thes Mutisii, HBK., a South American species from which, however, the 
Costa Rican plant differs materially in the character of the involucral 
scales, 
SPILANTHES URENS, Jacq. Am. Stirp. 214, t. 126, f. 1; HBK. Nov. 
Gen. & Sp. iv. 211; DC. Prodr. vy. 625. Specimens collected at 
Altata, State of Sinaloa, Mexico, by Dr. J. WN. Rose, 15 June, 1897, 
without number (hb. Gr., and hb. U. S. Nat. Mus.), accord in all impor- 
tant details with the above maritime species, which has not been recorded 
hitherto from Mexico. 
Encelia adenophora. Stout herb, 1 to 2.5 m. high, pubescent 
throughout with stipitate glands intermixed with horizontally spreading 
hirsute hairs: lower leaves opposite, petiolate, ovate to deltoid-ovate, 
5 to 12 em. long, 3 to 10 cm. broad, more or less acuminate, acute, 
rather coarsely and somewhat unequally dentate, 3-nerved from or just 
above the base; petioles 6 em. or less in length, naked; upper leaves 
gradually smaller, shorter-petioled, becoming lanceolate-oblong, more 
acuminate and remotely dentate to subentire : inflorescence a subcorym- 
bose, or paniculate cyme; peduncles 0.5 to 7 cm. long: heads 12 to 17 
mm. high, 1.5 to 2.5 em. in diameter: involucre campanulate ; bracts of 
the involucre lance-attenuate, 10 to 12 mm. long, subequal or the outer 
bracts slightly exceeding the inner: ray-flowers about 12; rays pale 
