118 PROCEEDINGS OF THE AMERICAN ACADEMY. 
achenes 38 mm. long, glabrous or sparingly puberulent. — Mexico. 
State of Durango: vicinity of the City of Durango, April to November, 
1896, Dr. Edward Palmer, no. 793 (hb. Gr., and hb. U. S. Nat. Mus.). 
The genus here proposed is related to Dysodia and Hymenatherum. 
From the former it differs in the character of the pappus, and from the 
latter in the fewer scales of the pappus, as well as in the character of the 
involucre. 
The genus is dedicated to Dr. Manuel Urbina, Director of the 
National Museum, City of Mexico. 
Pectis latisquama, Schz. Bip. A low subprostrate herbaceous 
perennial, numerously branched from a suffruticose base: stems leafy, 
hirtellous-pubescent : leaves linear or linear-lanceolate, 1 to 2 cm. long, 
2 to 3 mm. broad, acute, somewhat revolute-margined, bearing 3 to 5 
pairs of cilia near the base, glabrous on both surfaces: heads 10 to 
12 mm. high, terminating the stem and branches on 1 to 3 mm. long 
puberulent naked or bracteate peduncles: scales of the involucre 4, 
oblong-elliptic or obovate, 6 to 7 mm. long, 4 to 5 mm. broad, rounded at _ 
the apex, obtusely keeled, ciliate, more or less purplish-tinged, glabrous : 
ray-flowers usually 5; tube 2 to 3 mm. long, shorter than the longest of 
the numerous unequal pappus-bristles; rays orange-yellow, oblong-ovate, 
6 to 7 mm. long, 3 to 5 mm. broad: disk-flowers 10 to 20; pappus of 
numerous bristles, the longer two-thirds as long as the corolla: achenes 
of both ray-and disk-flowers pubescent.— Acc. to Gray, Proc. Am. 
Acad. y. 181, name only. Pectis canescens, Gray, 1. c. xix. 47, in part, 
as to citation in synonomy, not HBK. P. canescens, Fernald, l. ¢. 
xxxiii. 82, in part, as to Schaffner’s no. 85 (hb. Gr.), not HBK. — 
Mexico. State of Mexico: Valley of Mexico, Schaffner, no. 85 (hb. 
Gr.). State of Puebla: thin soil, Amozoc, altitude 2100 m., 9 Septem- 
ber, 1902, C. G. Pringle, no. 8604 (hb. Gr.). 
Neuroleena macrocephala, Schz. Bip. acc. to Hemsley, Biol. 
Cent.-Am. Bot. ii. 233. Meurolena semidentata, Klatt, in Leopoldina, 
xx. 94 (reprint, p. 7). The type specimens of these two described 
species are both in the Gray Herbarium, and the identity of the two 
plants is without question, hence it becomes necessary to retain the older 
combination and treat the other as a synonym. 
Neurolzena macrophylla. Stem sulcate, striate, reddish-brown, 
appressed-puberulent: leaves alternate, thin or membranous, somewhat. 
thombic-lanceolate, including the petiole 1.5 to 4 dm. long, 4 to 9 cm. 
broad, acuminate, shallowly dentate to denticulate, gradually narrowed 
_ below into a 1 to 3 cm. long petiole, dark green and sparingly puberulent 
