CATALOGUE. 221 
flowers in a dense head on a peduncle much longer than the leaves; calyx 
flattened, ‘‘2-cleft, 2-keeled; fruit corky and not readily separating into 
the 2 nutlets.,-—New Mexico, Loew. 
VERBENA HASTATA, L.—Utah. 
VERBENA BRACTEOSA, Michaux.—Utah. 
VerRBENA AvsBLETIA, L.—Arizona; New Mexico, at Santa Fé (12); 
also in Rocky Camion, Arizona. 
LABIATZ. 
By Pror. T. C. PORTER. 
Menrua viripis, Linn.—Camp Bowie, Arizona, at 5,300 feet elevation, 
August, 1874, Rothrock (491). Introduced ? , 
Menrua Canapensis, Linn —Utah, 1871, 1872, Watson’s Report ; Zuni, 
N. Mex, at 6,500 feet elevation, July, 1874, Rothrock (168); Sanoita 
Valley, Arizona, at 4,350 feet elevation, September, 1874, Rothrock (687).— 
Var. etaBrata, Benth., Upper Arkansas, Colorado, 1873, Wolf (778). 
Lycopus sinuatus, Ell—Utah, 1871, 1872, Watson’s Report. An 
imperfect specimen of a Lycopus, collected in San Luis Valley, Colorado, 
September, 1873, by Professor Wolf (782), appears to be L. lucidus, “ae és 
var. Americanus, Gray (Proc. Am. Acad. 8, p. 286) 
MonaRDELLA opoRATISSIMA, Benth. (Watson, Bot. King, p. 235).— 
Nevada and Utah, 1871, 1872, Watson’s Report. 
Hepeoma Hyssopirouia, Gray (Proc. Am. Acad. 11, p. 96).—Nearly 
glabrous; stems from a perennial branching caudex, slender, scarcely a foot 
high; leaves crowded, neryed, the main ones linear-lanceolate, 4 to } of 
an inch long and a line wide, the parallel veins running toward the apex, 
the upper gradually reduced until shorter than the calyx, the lowest much 
shorter and broader, with strong and more diverging nerves beneath; 
whorls loosely 3- to 5-flowered; calyx narrow-tubular, slightly hairy, the 
setaceous teeth incurved, the lower ones exceeding the upper; corolla 7 to 
.8 lines long and twice the length of the calyx; upper lip 2-lobed —Mount 
Graham, Arizona, at 9,000 feet elevation, August, 1874, Rothrock (418) ; 
Arizona, 1873, Loew (780).—Puate XVII. Natural size. Fig. 1. Flower, 
enlarged 5 diameters. Fig. 2. Longitudinal section through flower, 5— 
