252 University of California Publications in Botany, [VOL. 3 



than half as long as the palea. San Diego, Cleveland, ace. to 

 Greene; plains near Colton, San Bernardino Co., Parish, no. 

 2150; vicinity of Riverside, Hall, no. 3824; middle California. 

 Specimens collected at San Diego, 1898, by Purpus, are interme- 

 diate between M. Lindleyi and var. Clevelandi, being moderately 

 slender and with the pappus-awns slightly exceeding one-half the 

 length of the palea. 



6. M. montana (Greene) Hall, comb. nov. Scorzonella mon- 

 tana Greene, Bull. Calif. Acad. ii. 53 (1886). 



Plant stout, often 4 or 5 dm. high, the stems somewhat leafy 

 and usually several or numerous from the perpendicular fusiform 

 perennial taproot : leaves elongated-lanceolate (2 dm. or less long), 

 laciniate : involucre hemispheric, becoming 2 cm. high ; its outer 

 bracts ovate, the inner oblong, all with slenderly acuminate often 

 recurved tips : achenes columnar, truncate, 8 to 10 mm. long, 

 either glabrous or minutely scabrous on the ribs: pappus-paleae 

 10, linear-lanceolate, the tips acute or narrowly truncate, entire 

 or slightly notched, 7 mm. long, about equalled by the rigidly 

 short-plumose awn. 



Moist places in the Upper Sonoran Zone, not common : Te- 

 hachapi, Jun., 1884, and May, 1905, Mrs. Brandegee; hillsides 

 at Elizabeth Lake, Jun., 1887, Parish; Crane Lake, Antelope 

 Valley, May 6, 1895, Davidson; grown at Berkeley from seed 

 gathered in Kern Co., by N. C. Wilson. The type specimens are 

 among those saved from the San Francisco fire by Miss Eastwood. 



106. RHAGADIOLUS Tourn. 



Herbaceous annuals branching from the base, with either 

 glabrous or hispidulous herbage. Basal leaves coarsely dentate 

 or pinnatifid, the cauline often entire. Involucre of 1 series of 

 equal narrow bracts which in age become indurated and concave 

 enfolding the marginal achenes, and often an additional outer 

 series of short linear bracts. Ligules short, yellow. Achenes 

 narrow, terete or the outer subcompressed, 5 to 10-costate, the 

 summit truncate to attenuate or beaked, the outer ones incurved, 

 the inner ones straight. Pappus of marginal achenes a single 

 series of short denticulate paleae; of central achenes a similar 



