418 FERRIS: TAXONOMY AND 
Adenostegia § Dicranostegia Wettstein in Engler & Prantl, Nat. 
Pflanzenfam. 4°°: 98. 1891. 
Inflorescence spicate; calyx monophyllous; calyx-leaf deeply 
divided into two parts. 
17. ADENOSTEGIA ORCUTTIANA (Gray) Greene 
Cordylanthus Orcuttianus Gray, Proc. Am. Acad. 19: 95. 1883; 
Gray, Syn. FI. 21: 454. 
Adenostegia Orcuttiana Greene, Pittonia 2: 181. 1891; Kuntze, 
Rev. Gen. 2: 457; Wettstein in Engler & Prantl, Nat. Pflan- 
zenfam. 4°: 98. 
Divaricately branched, often decumbent, annual, 15-35 cm. 
high; stems stout, densely hirsute, sparsely so with age; leaves 
25-30 mm. long, one-nerved, densely hirsute, sparsely so with age; 
leaves 25-30 mm. long, one-nerved, hispidulous, irregularly dis- 
sected into linear divisions; spike 2-6 cm. long; floral bracts 
20-25 mm. long, setose-ciliate, three-nerved, tip broadly rounded; 
calyx-leaf 6 mm. long, thin, two-nerved, deeply or completely 
divided into acuminate divisions, the margins with soft pubescence 
interspersed with hirsute hairs; corolla about equalling the bracts, 
tube longer than the throat, curved outward, throat soft-pubes- 
cent; stamens four, the anthers small, one-celled with vestiges 
of a second cell, the upper anther sterile, the lower fertile, filaments 
glabrous. [PLATE 10, FIG. 18; PLATE 12, FIG. 3. 
Type Locatity: ‘“‘Lower California, about 70 miles below 
the U.S. boundary, H. C. Orcutt and son.”’ 
DIstRIBUTION: Northwestern part of Lower California, from 
the international boundary to Ensenada. 
SPECIMENS EXAMINED:—LOWER CALIFORNIA: Tia Juana, June 
30, 1884, Orcutt & Son; same locality, July, 1896, Stokes; Mexican 
Boundary, Mearns 3927; Las Huevitas, 1893, Brandegee; En- 
senada, October 5, 1892, Brandegee; San Pedro Martir, Robinson 
45 (probably San Pedro Martir Island, not San Pedro Martir 
Mountains). 
Section VI. CHLOROPYRON 
Chloropyron Behr, Proc. Calif. Acad. I. 1: 61. 1855; Heller, 
Muhlenbergia 3: 133. 
Cordylanthus § Hemistegia Gray, Proc. Am. Acad. 7: 383. 1868; 
Wats. Bot. King’s Exped. 460 (in part); Gray, Syn. Fl. 2!: 304. 
Flowers in spikes; calyx monophyllous; corolla slightly sac- 
