( 02 ) 
27. Dudleya ovatifolia Britton, sp. nov. 
Glabrous, low, green, 1.5 dm. high or less; peladess stems 
rigid; basal leaves ovate, shining above, acute, about 2 cm. long; 
ments lanceolate, acute. 
Sierra Santa Monica, California, H. M. Hall, no. 3255, May, 
1902. 
28. DupLeya Nevapensis (S. Wats.) Britton & Rose. 
Cotyledon Nevadensis S. Wats. in Brew. & Wats. Bot. Cal. 1: 
212. 187 
Mountains of middle California. Type locality, Sonora, Cali- 
fornia. 
29. Dudleya Sheldoni Rose, sp. nov. 
Acaulescent; leaves lanceolate to ovate-lanceolate, acute, very 
high, purplish, leafy to the base; lower stem-leaves linear-lanceo- 
late, 4 cm. long, the upper ones ovate, acute; inflorescence a rather 
compact panicle; pedicels rather slender, sometimes ro mm. long; 
sepals reddish, ovate, acute; corolla bright yellow, 10-11 mm. long, 
the lobes sharply acute, ae ing at tip, free nearly to base; 
stamens attached just above the base of the corolla, about two 
thirds as long as the eee ee 5, erect. 
Collected by Miss Alice Eastwood at the north base of Mt. 
Tamalpais, California, June, 1903 (type), and by E. P. Sheldon 
at the same place January, 1903. 
30. DupLEya PLaTTIANA (Jepson) Britton & Rose. 
Cotyledon Plattiana Jepson, Fl. West. Mid. Calif. 267. 1901. 
Mountains of central California. 
31. Dupiteya Purpusi (Schum.) Britton & Rose. 
Etcheveria Purpust Schum. Gartenfl. 45: 608. 1896. 
Cotyledon Purpusi Nichols. Dict. Gard. Suppl. 263. 1900. 
Pale ae somewhat glaucous, tufted; basal leaves 4-7 c 
long, 2 cm. wide or less, rhombic, broadest near the middle, Aes 
acuminate; flowering branches 1-2 dm. tall, their leaves lanceolate, 
acute, 2 cm. long or less, sessile, numerous; cyme 4-8 cm. broad; 
pedicels rather stout, longer than the flowers; flower-buds Guaid: 
acuminate; longer than thick; calyx-segments ovate, acutish, about 
