CATALOGUE. 181 
about 25-flowered, sessile or on very short pedicels, and not higher than 
the topmost leaf, campanulate; scales of the involucre acute, faintly 
ciliolate, slightly mucronate, the inner ones much longer, the outer ovate; 
achenia_ glandular-puberulent.—Arizona. 
Crepis Guauca, T. & G. Fruit needed to decide, but probably this.— 
Willow Spring, Arizona (218). 
Crepis RuncinATA, T. & G.—San Luis Valley, Colorado (664). 
CREPIS OCCIDENTALIS, Nutt., var. GRACILIs, Eaton.—Nevada and Utah. 
Crepis acuminata, Nutt—Nevada. 
Mauacoturix Fernpieri, Gray (Pl. Wright. 2, p. 104).—‘‘ Dwarf, 
glabrous; stems many, diffuse, from a delicate root; younger leaves spar- 
ingly arachnoid, radical runcinate-pinnatifid dentate or the lobes cuspidate 
mucronate, the cauline few, linear, the highest entire; achenia almost 
cylindrical. Many-ribbed [15-ribbed]; the apex manifestly cupulate, 
the cupule entire; pappus of a@ single persistent bristle, with a few smaller 
caducous ones.” I have not the specimen in my collection—Bowlder, 
Colo. (466). 
MaLacoTurix soncHorwes, 'T. & G.—Similar to the above, except that 
“the entire pappus is deciduous in a ring”, the summit of the achenia is not 
contracted, and of the 15 ribs some are stronger than the others, and the 
crown-like border of the akene is 15-denticulate—Nevada and Utah. 
Troximon aurantiacum, Hook., var. Parryi, Gray. (Macrorhyncus 
troximoides, T. & G.)—Colorado, (66, 668), Nevada, and Utah. Including 
here as a mere form (so considered by Dr. Gray), Troximon PARVIFLORUM, 
Nutt., from South Park, Colorado (665, 666). 
-Pyrruopaprus Rorarocki, Gray (Proc. Amer. Acad. xi, p.80). [Stender 
over a foot high, from a fusiform root, simple or leafy and branching below ; 
one-few-headed ; linear leaves entire or toward the base somewhat fringed- 
pinnatifid or dentate; peduncle slender, almost naked ; head narrow, about 
20-flowered; the few exterior scales of the involucre subulate, appressed ; 
achenia rugulose, above scabrous; mature pappus dirty white——Fisch’s 
Ranch, Southern Arizona, at 5,000 feet altitude (699).—Puatr XIV. Nat- 
ural size. 1. Flower, enlarged about 5 diameters. 2. Style and stigma, 
about 15 diameters. 3. Young head closed, about 4 diameters. 4 Ache- 
