DISTRIBUTION OF ADENOSTEGIA 417 
Paniculately branching annual, 1-3 dm. high, glandular puber- 
ulent throughout, sometimes short-villous; leaves 20-30 mm. long, 
three-parted into linear divisions; heads few-flowered, the flowers 
spreading, giving an open appearance to the head; floral bracts 
15-18 mm. long, three-nerved, irregularly dissected into five to 
seven linear divisions; calyx-leaf 22 mm. long, five-nerved, the 
teeth at the apex 1-2 mm. long; corolla 21-22 mm. long, the tube 
glabrous, somewhat longer than the throat, the latter covered 
with soft, reflexed hairs; filaments hairy; capsule pointed. 
[PLATE I0, FIG. 16.] 
Type Loca.ity: ‘Rare; found only on a limestone ridge near 
Roberts Station in Monitor Valley, Nevada; 6,000 feet altitude; 
July.” 
DistrIBUTION: White Pine County, Nevada; Emery, Garfield 
and Iron Counties, Utah. 
SPECIMENS EXAMINED:>—UTAH: two miles south of Ferron, 
Jones 5454; Sink Valley, June 20, 1890, Jones; Panguitch Lake, 
Jones 6015; head of Sevier River, Jones 6032; southern Utah, 
1875, Siler. 
16. Adenostegia Helleri sp. nov. 
Paniculately branching annual, 2-4 dm. high; glandular- 
villous throughout with short, spreading hairs; leaves 6-15 mm. 
long, one-, sometimes three-, nerved; heads many, terminating 
the branchlets, one- to four-flowered; floral bracts 8-12 mm. long, 
five- to eight-parted; calyx-leaf lanceolate or shallowly two- 
toothed, four-nerved, winged at base; corolla 1-2 mm. longer than 
the calyx, throat soft-pubescent, equaling or slightly exceeding 
the tube; filaments nearly glabrous; capsule sharply pointed. 
{PLATE 10, FIG. 17; PLATE 12, FIG. 2. 
This species has been confused with A. Kingii but it differs in 
habit and in the bracts which in A. Helleri are smaller and regu- 
larly instead of irregularly divided. 
TYPE LOCALITY: Hills north of Reno, Nevada, September 20, 
1910, Heller 10238. Type, No. 2122 of the Dudley Herbarium. 
DISTRIBUTION: Western Nevada, in the vicinity of Reno. 
SPECIMENS EXAMINED:—NEvADA: Reno, Brown 1564; hills 
north of Reno, Heller 10238. 
Section V. DICRANOSTEGIA 
Cordylanthus § Dicranostegia Gray, Proc. Am. Acad. 19:95. 1883; 
Gray, Syn. Fl. 2!: 454. 
