Stone-crop Family 187 



flowers erect or ascending; sepals ovate, acute, 4-6 mm. long; 

 corolla somewhat contracted above, reddish, about 14 mm. long, 

 petals carinate with a prominent mealy-glaucous midvein. (Coty- 

 ledon pulverulenta Benth. & Hook.) 



Frequent in the chaparral belt on rocky slopes in all our mountains. 

 July-August. 



2. D. minor Rose. Acaulescent, or very old plants with a 

 carrot-shaped rootstock 5 cm. long, crowned by a small rosette 

 of spreading leaves ; leaves rhomboid-ovate, the large ones 5-7 

 cm. long, narrowed at base, abruptly acuminate, glaucous; in- 

 florescence slender, with a few elongated 1-sided racemes; pedi- 

 cels slender, 10-15 mm. long; calyx 5-7 mm. long, its lobes ovate 

 to ovate-lanceolate, acute; corolla yellow or pale orange, 12 mm. 

 long, its tube 2 mm. long. 



Originally described from plants collected by Dr. Hasse in the San 

 Gabriel Canyon, altitude about 2000 feet. Wilson's trail, altitude 2500 feet, 

 on rocky banks. 



3. D. ovatifolia Britton. Glabrous, low, green, 1.5 dm. high 

 or less ; flowering stems rigid ; basal leaves ovate, shining above, 

 acute, about 2 cm. long; leaves of the flowering stems ovate, or 

 the lower ovate-lanceolate, obtuse or the lower acute, 5-8 mm. 

 long; cymes few-flowered; pedicels very slender, 1 cm. long or 

 less; flowers about 1 cm. long; calyx segments triangular-ovate- 

 lanceolate, about 2.5 mm. long, nearly as long as the corolla- tube ; 

 corolla bright yellow, its segments lanceolate, acute. 



Described from specimens collected in the Santa Monica Mountains by 

 H. M. Hall. 



** Leaves rather thick, lanceolate to nearly linear or strap-shaped. 



4. D. Brauntoni Rose. Csespitose, the rootstocks crowned 

 by 6-8 rosettes of leaves; leaves elongated, strap-shaped, becom- 

 ing 20 cm. long and 2 cm. broad, but often at flowering time only 

 10 cm. long and 1 cm. broad, pale green and very glaucous on the 

 face, acute; flowering stems usually stout, 3-6 dm. long, pale 

 green, their lower leaves often quite large, the upper ones ovate, 

 acute, thickish, slightly cordate at base; inflorescence at first 

 somewhat compact, of 3-4 branches, these finally much elongated, 

 1-2 dm. long; pedicels very short, 1-3 mm. long, not elongated 

 in fruit; calyx-lobes broadly ovate, 4-5 mm. long, acute; seg- 

 ments of corolla pale greenish yellow, 10-12 mm. long, erect. 



Described from plants collected by Ernest Braunton on Elysian Hills, 

 Los Angeles. 



