336 ONAGRACE^. 



2. OE. trichocalyx Nutt. Biennial; stems from a straight tap- 

 root, low, very stout, upright, simple or more commonly branched 

 from the base, 1 ft. high, puberulent or sparsely pilose and almost 

 glabrous; leaves oblong, tapering to both ends, petioled, coarsely and 

 rather remotely salient^toothed or lobed, 3 to 4 in. long, or the lowest 

 longer; calyx-tips not free in the bud; bud (above calyx-tube) oblong, 

 densely woolly, nearly 1 in. long or more; petals 1 in. long or more, 

 usually with a deep sinus; capsule terete, strongly thickened towards 

 the broad sessile base, 2f in. long or less, in maturity strongly deflexed, 

 slightly curved, woody; seeds narrowly ovate, mo.ttled, somewhat 

 compressed, in 1 row in each cell. 



Corral Hollow, " summits of very dry sandy hills; petals obcordate, 

 white, turning rose when old, light yellow in center," Brewer, June 

 3, 1862; southward to Bakersfield and the desert region. Depauper- 

 ate plants are almost or quite acaulescent, but may be distinguished 

 from the truly acaulescent species by the large flowers as well as by 

 the fruit. This is properly a desert plant of the Mohave region, 

 eastward and northeastward. 



3. CE. Californica Wats. Similar to the preceding; hoary pubes- 

 cent; stems from a perennial running rootstock, slender, ascending; 

 calyx-tips free in the bud; bud (above calyx-tube) narrowly ovate, 

 villous; capsule not thickened at base; seeds oblong, turgid. 



Sacramento, Shockley, 1883; Antioch sandhills and the San Joa- 

 quin Valley. Stem not so stout at base as in the preceding; flowers 

 vespertine, remaining open two or three hours in the morning or on a 

 cloudy day until noon, fading purplish. 



4. CE. ovata Nutt. Golden Eggs. Sun Ctjps. Acaulescent; 

 root fleshy, J to 1 in. thick and 3 or more in. long; glabrous or the 

 leaf margins and veins beneath ciliate; leaves oblong to ovate, acute, 

 3 to 6 in. long, mostly entire, spreading upon the ground rosette-like 

 or somewhat ascending, the under ones narrowed at base to rather 

 longer petioles; calyx-tube very .slender, 3 in. long, the segments 

 glabrous; petals orbicular, J in. long; capsules more or less below the 

 surface of the groujid, chartaceous, 1 in. long, tardily dehiscent; 

 seeds in this and the next in 2 rows in each cell. 



Common in the Coast Kange valleys from Ukiah and Calistoga 

 to Marin Co., San Francisco, Millbrae and southward to San Luis 

 Obispo. Feb. -Apr. Called " Blood-root " about Berkeley seventeen 

 years ago (T. S. Palmer). 



5. CE. graciliflora H. & A. Acaulescent; pilose-pubescent; leaves 

 erect or ascending, linear, obscurely denticulate or commonly entire, 

 3J in. long or less; calyx-tube beyond ovary filiform, about 1 in. long, 

 the segments hirsute-pubescent; petals broadly obovate, the broad 

 shallow notch at apex with a middle tooth or acumination, 3 to 4 lin«s 

 long; capsule coriaceous. 



Hillsides: Contra Costa to Santa Clara Cos.; foothills of the Yallo 

 Bally Mountains; Marysville Buttes; Sierra Nevada. Apr. Petals 

 often turning greenish or reddish. 



6. CE. cheiranthifolia Hornem. Stems decumbent or mostly 



