GENTIAN FAMILY 85 



Moist soil along watei- courses and about springs, 3700 to 4800 feet : cismontane 

 Southern California; San Gabriel Mts., north side; east side of the Sierra Nevada 

 from Inyo Co. to Lassen Co. North to Washington, east to Utah. July. 



Locs. — S. Cal. : San Pasqual, San Diego Co., S. B. </■ W. F. Parish; Los Angeles River, Braun- 

 ton; San Bernardino Valley, Parish 5897; Pallett Creek, n. side San Gabriel Mts., Peirson 2482. 

 East side of the Sierra Nevada : Owens Lake, Jepson 5094 ; Beckwith Pass, Lassen Co., Jepson 

 7759; Honey Lake Valley, Davy 3392. 



Refs. — Centaurium exaltatum Wight; Piper, Contrib. U. S. Nat. Herb. 11:449 (1906); 

 Jepson, Man. 762 (1925). Cicendia exaltata Griseb.; Hook., Fl. Bor. Am. 2:69 (1840), type loc. 

 betw. Kettle Palls and Narrows, Columbia River, Douglas. Eryihraea exaltata Cov., Contrib. U. S. 

 Nat. Herb. 4:150 (1893). E. douglasii Gray, Bot. Cal. l-ASO (1876). 



3. 0. muhlenbergii Wight. Monterey Centaury. Stems simple or branched 

 (only occasionally or partially dichotomous), 2 to 6 (or 9) inches high; leaf -blades 

 oblong-ovate to lanceolate, 4 to 10 lines long, the basal or lower ones usually ovate 

 to elliptic, often shorter than those above ; flowers terminal on the branches or borne 

 in the forks, all on pedicels, the pedicels % to 1 (or 11/2) inches long; corolla pink 

 with yellowish throat, 6 to 8 lines long, its lobes ovate to broadly oblong, obtuse, 2 

 to 3 lines long; stigmas fan-shaped or almost reniform. 



Valley flats, sea-bluffs or canon bottoms, 10 to 500 feet : along the coast from 

 Mendocino Co. to Santa Barbara Co. May-June. 



Locs. — Mendocino coast bluffs at Pudding Creek, Jepson 17,750 ; betw. Fort Bragg and Glen 

 Blair, Ottley 1504; Stanford (foothills near), C. F. Baker 877; betw. Gilroy and Corralitos, Jep- 

 son 14,640: Soquel Canon, Santa Cruz Co., Jepson 14,627; Pajaro Hills, Chandler 373; Pt. Joe, 

 Monterey, Jepson 9740; Carmel Bay, E. Ferguson 294; San Luis Mt., Summers; Arroyo Grande, 

 Gondii ; Santa Inez Mts., Dunn; Pelican Bay, Santa Cruz Isl., Jepson 12,089. 



Refs. — Centaurium muhlenbergu Wight; Piper, Contrib. II. S. Nat. Herb. 11:450 (1906) ; 

 Jepson, Man. 762 (1925), as to coastal plants. Eryihraea muhlenhergii Griseb., Gen. et Sp. Gent. 

 146 (1839), type from Cal., Douglas; Jepson, Fl. W. Mid. Cal. 379 (1901), ed. 2, 320 (1911). 

 C. exaltatum var. davyi Jepson, Man. 762 (1925), type loc. West Berkeley, Davy 596. 



4. C. floribimdum Rob. June Centaury. Stem usually much branched, 2 to 

 9 inches (rarely 1 to 2 feet) high; leaf -blades narrowly oblong or ovate to ovate- 

 lanceolate, 5 to 12 (or 17) lines long; flowers in the forks sessile or nearly so, the 

 lateral ones shortly pediceled or subsessile; corolla pink, 51/2 to 7 lines long, its lobes 

 oval to oblong or ovate-lanceolate, obtuse or refuse, 1 to 1% (or 2) lines long. 



Along water courses and in moist places, 20 to 1500 feet : inner valleys and in- 

 ner ranges in Mendocino Co.; Sacramento Valley (east side) and bordering Sierra 

 Nevada foothills; lower San Joaquin Valley and bordering Sierra Nevada foothills 

 and inner Coast Range foothills. June- Aug. 



Locs. — North Coast Ranges: Hopland, Jepson 7624; Xlkiah, Stout; Covelo ranger sta.. Crone- 

 miller 644. Sacramento Valley and bordering foothills : Table Mt., Oroville, Seller 10,777 ; Marys- 

 ville, Jepson 16,757. Lower San Joaquin Valley and bordering foothills: Table Mt., Tuolumne 

 Co., Jepson 6426 ; Farmington, San Joaquin Co., Hoover 649 ; Valley Home, Stanislaus Co., Hoover 

 660; upper Del Puerto Caiion, w. Stanislaus Co., Hoover 2630. 



Refs.— Centaurium tloribondum Rob., Proc. Am. Acad. 45:396 (1910). Eryihraea flori- 

 bunda Benth., PI. Hartw. 322 (1849), type loc. east side of the Sacramento Valley, Hartweg 405 

 (typ. vidi). C. muhlenhergii Jepson, Man. 762 (1925), as to interior plants. 



5. C. venustum Rob. Canchalagua. (Fig. 328.) Stem 4 to 8 inches high, 

 almost simple and with few flowers to corymbosely branched with numerous flow- 

 ers; calyx-lobes reaching to or nearly to corolla throat; corolla 8 to 11 lines long, 

 vermilion or rose-color, the throat white, marked with 5 red spots or crescents; 

 corolla-lobes elliptic to oblong, obtusish or acute, often denticulate at apex, 5 to 7 

 lines long, % to nearly as long as the tube; stigmas spatulate fan-shaped or spoon- 

 shaped, borne on short but distinct branches of the style. 



Dry or moist slopes or flats, 200 to 6400 feet : Southern California, common 

 (both cismontane and tran,smontane) ; north through the Sierra Nevada from 

 Kern Co. to Butte Co.; inner North Coast Range foothills from Tehama Co. to 

 Shasta Co. June- Aug. 



