PRIMROSE FAMILY 



75 



7. ANAGALLIS L. Pimpernel 



Low annuals with opposite or sometimes ternate entire leaves. Flowers axil- 

 lary, on slender pedicels. Calyx deeply 5-eleft into narrow segments. Corolla ro- 

 tate, deeply 5-parted, the rounded lobes convolute in the bud. Stamens 5 ; filaments 

 hirsute or pubescent. Capsule cireumscissile. — Species about 24, all continents. 

 (Greek, meaning delightful.) 



1. A. arvensisL. Poor Man's Weather-glass. Stems % to 2 feet long, pro- 

 cumbent or ascending; leaf -blades ovate or deltoid-ovate, acute, sessile, 4 to 6 (or 

 10) lines long, shorter than the pedicels; flowers opening only under a clear sky; 

 sepals lanceolate, acuminate, scarious-margined toward the base, nearly distinct; 

 corolla vermilion, 4 to 5 lines broad, the petals lightly 

 joined at base, minutely glandular-ciliate at apex; 

 capsules on recurved pedicels; seeds ^A line long, tri- 

 angular, the surface pitted. 



Naturalized Old World weed, in open ground, 5 to 

 2000 feet : mostly near the coa.st. Mar. -Apr. 



Locs. — Coastal: Crescent City, Howell; Eureka, Tracy in 

 1906 ; Dyerville, South Fork Eel River, Constance 703 ; Pt. Reyes, 

 Davy in 1900; Berkeley, Jepson in 1891; Oakland, Brewer in 

 1864; San Francisco, Jepson 10,594; Carmel River, near Car- 

 mel, Jepson in 1896 ; Santa Barbara, Brewer in 1861 ; Lukens 

 Peak, San Gabriel Mts., Peirson 331 ; Claremont, Chandler in 

 1897; Riverside, Jepson in 1901; Escondido, San Diego Co., 

 C. V. Meyer 268; La Jolla, Jepson 11,872. Interior: San An- 

 dreas, Jepson in 1923 ; Barnafee Flat, Tulare Co., W. Fry 127. 



Var. coerulea Ledeb. Corolla blue. — Bear River Ridge, 

 Humboldt Co., Tracy 9936 ; Mt. Diablo, Jepson 9865 in 1923 ; 

 Altadena, ace. Peirson; Fallbrook, in 1884 (ace. Parish, Bull. 

 S. Cal. Acad. 19<:23) ; Escondido, C. F. Meyer 271 in 1927. 



Refs. — Anaoallis arvensis L., Sp. PI. 148 (1753), type 

 European; Jepson, Fl. W. Mid. Cal. 375 (1901), ed. 2, 317 

 (1911), Man. 756 (1925). Var. coerulea Ledeb., Fl. Rossica 

 3:30 (1847). A. coerulea Sehrcb., Spicilegium Fl. Lipsicae 5 

 (1771). 



8. CENTUNCULUS L. 



Fig. 324. Centuncultjs 

 MINIMUS L. a, habit, X 1 ; b, 

 fl., X 8 ; c, corolla spread open, 

 X 8; d, dehiscing capsule, X 5. 



Very small annuals with alternate entire leaves 

 and minute solitary flowers in their axils. Calyx 4 

 (or 5)-parted, the narrow lobes linear-lanceolate, acu- 

 minate. Corolla 4 (or 5) -cleft, the tube subglobular 



and lobes acute. Stamens 4 or 5, inserted on the throat of the corolla. Capsule 

 globose, cireumscissile. Seeds many. — Species 1. (Meaning of name obscure.) 



1. C. minimus L. Chaffweed. (Pig. 324.) Slender, glabrous, 1 to 5 inches 

 high; leaf -blades obovate, sessile or short-petioled, 1 to 2 (or 3) lines long; flowers 

 sessile or very nearly so, shorter than the leaves, mostly 4-merous; filaments much 

 dilated at base. 



Moist ground or beds of former winter pools, 10 to 1400 feet : mostly near the 

 coast from San Diego Co. to Humboldt Co. ; Merced Co. to Calaveras Co. North to 

 British Columbia, east to Illinois and Florida. South America, Europe. May. 



Locs. — Coastal: La Jolla, San Diego Co., Jepson 11,850; Ramona, K. Brandcgee; Red Hill, 

 Upland, Muns 5556; Berkeley Hills, Tracy 2072; Suisun, Greene; Fort Seward, Humboldt Co., 

 Tracy 13,384; Eureka, Tracy 1943. Sierra Nevada foothills from Merced Co. to Calaveras Co.: 

 Le Grand, Hoover 1085 ; Burson, Jepson 9927. 



Refs. — CENTUNCULUS MINIMUS L., Sp. PI. 116 (1753), type European; Jepson, Fl. W. Mid. 

 Cal. ed. 2, 317 (1911), Man. 757 (1925). 



