402 FERRIS: TAXONOMY AND 
into linear divisions rounded at the apex; upper calyx-leaf 11-16 
mm. long, six- or seven-nerved, winged at the base, lanceolate or 
bidentate, pubescence sparse; lower calyx-leaf 10-15 mm. long, 
four-nerved, wider than the upper, rounded at the apex; corolla 
16-18 mm. long, glabrous, the lower lip saccate; filaments gla- 
brous; capsule 7-8 mm. long, slightly rounded; seeds reticulate. 
[PLATE 10, FIG. I; PLATE I1, FIG. 1.] 
Tyre LocaLity: ‘‘Rocky hills, Sonora, Mexico, Thurber.”’ 
DiIstRIBUTION: Hills and ravines in Arizona and northern 
Sonora. 
SPECIMENS EXAMINED :—ArIzoONA: “‘ Point of Mountain,” Roth- 
rock 721; Pine Creek near Pine, MacDougal 693; hills, Beaver 
Creek, Purpus 8208. 
Section II. -PRINGLEA 
_ Flowers in heads; calyx diphyllous; tube of corolla short and 
dilated; stamens four, perfect, the filaments villous. 
2. ADENOSTEGIA PRINGLEI (Gray) Greene 
Cordylanthus Pringlei Gray, Proc. Am. Acad. 19: 94. 1883; 
Gray, Syn. Fl. 2!: 453; Jepson, Fl. W. Mid. Calif. ed. 2. 387. 
Adenostegia Pringlei Greene, Pittonia 2: 18t. 1891; Kuntze, 
Rev. Gen. 2: 457; Jepson, Erythea 7: 112; Jepson, Fl. W. 
Mid. Calif. 416. 
Slender, glabrous annual, 4-6 dm. high; leaves 5—9 mm. long, 
linear-filiform, early deciduous, the lower sparsely pubescent, the 
upper glabrous; heads many, compact, three- to five-flowered; 
floral bracts 5-7 mm. long, glabrous, with five to seven equal lobes; 
calyx-leaves 9-11 mm. long, nearly equal, upper part covered 
with large, tack-like glands; corolla 8-9 mm. long, lips densely 
hairy; capsule rounded. [PLATE 10, FIG. 2; PLATE 40. 716.3.) 
TYPE LocaLity: “California, on dry hills in Lake Co., August, 
1882, Pringle.” 
DISTRIBUTION: Exposed slopes in the mountains of Lake and 
Napa Counties, California; Upper Sonoran Zone. 
SPECIMENS EXAMINED:—CatirorNia: Lake County, August, 
1882, Pringle; Snow Mountain, Lake County, August 25, 1892, 
Katharine Brandegee; Cobb Mountain, Lake County, 1910, Kath- 
arine Brandegee; near Bartlett Springs, Lake County, August, 
1916, A. Stinchfield. 
