38 NORTH AMERICAN FLORA [VOLUMK 22 



segments united at the bas^ into a very short tube 2 mm. long; stamens shorter than the 

 corolla, attached to its base ; carpels erect, distinct. 



Type locality : Whitewater, near Banning, California. 

 Distribution : Known only from the type locality. 



I 



15. Dudleya linearis (Greene) Britton & Rose, Bull. N. Y. 



Bot. Gard. 3: 16. 1903. 



Cotyledon linearis Greene, Pittonia 1 : 285. 1889. 



Caudex thick and fleshy, crowned by a dense rosette of leaves. Leaves light-green, 

 not farinose, broadly linear, acuminate, 3-7.5 cm. long, 6-9 mm. broad, thick; flowering 

 stems 1-1.5 cm. long, more or less bracteate; inflorescence consisting of 2 or 3 secund 

 racemes, more or less glaucous, rather compact ; pedicels- 4 mm. long or less ; calyx deeply 

 5-lobed ; lobes broadly lanceolate, acute, 5 mm. long ; corolla greenish-yellow, 8-9 mm. 

 long, its tube shorter than the calyx. 



Type locality ; San Benito Island, off the coast of IvOwer California. 

 Distribution : Known only from the type locality. 



16. Dudleya cultrata Rose, Bull. N. Y. Bot. Gard. 3 : 16. 1903. 



Cespitose, the caudex bearing several rosettes of leaves. Leaves strap-shaped, not 

 glaucous, 6-10 cm. long, gradually tapering from a rather wide base, 10-12 mm. broad, 

 rather thickish, terete near the apex, acute, sometimes sharply so ; flowering branch about 

 30 cm. long, naked below and with scattered leaves above ; inflorescence of a few more or 

 less elongated racemes ; caljrx-lobes triangular-lanceolate, acute ; corolla pale-yellow, 

 rather narrow, 12 mm. long, 3 times as long as the calyx, the tube proper longer than the 

 calyx, the segments acute ; stamens shorter than the corolla ; anthers orange. 



Type locality : San Quintin, Lower California. 

 Distribution : Type locality and vicinity. 



17. Dudleya Greenei Rose, Bull. N. Y. Bot. Gard. 3 : 17. 1903. 



Caudex short and thick. Leaves in rosettes, numerous, strap-shaped, 6-7 cm. long, 

 15 mm. broad at base, acute, very glaucous, dr3dng thick and leathery ; flowering stalk 3^ 

 dm. high, bearing scattered ovate- acuminate leaves; inflorescence consisting of numerous 

 secund racemes ; pedicels stout, ascending, 2-4 mm. long ; calyx: 4 mm. high, deeply 5- 

 parted, the lobes broadly lanceolate, acute ; corolla 8-10 mm. long, its tube 2 mm. long. 



Type locality : Island of Santa Cruz, California. 

 Distribution : Island of Santa Cruz. 



18. Dudleya Hallii Rose, Bull. N. Y. Bot. Gard. 3 : 17. 1903. 



Acaulescent. Basal leaves erect or spreading, elongated-lanceolate, acute, very pale and 

 glaucous, thickish, 10-12 cm. long ; flowering stems stout, 3-4 dm. long, their leaves ovate, 

 the lower ones somewhat elongated, slightly cordate at base ; inflorescence a rather short 

 panicle, not at all glaucous ; pedicels very short (about 2 mm. long) ; calyx-lobes lanceolate, 

 acute, 5 mm. long ; corolla 15 mm. long, pale-green tinged with rose. 



Type locality : Near Riverside, California. 

 Distribution : Type locality and vicinity. 



19. Dudleya Candelabrum Rose, Bull. N. Y. Bot. Gard. 3 : 17. 1903. 



Basal leaves in a dense broad rosette, oblong-lanceolate, 10-15 cm. long, 3 cm. broad 

 near the base, perhaps not at all glaucous, drying rather thin ; flowering stem about 3 dm- 

 long, rather stout, its leaves lanceolate, acuminate, thin ; inflorescence (in herbarium speci- 

 mens at least) resembling a candelabrum, 20 cm. high, 25 cm. broad at top, each branch an 

 elongated secund raceme ; pedicels short (1-4 mm. long) ; calyx 5-7 mm. long, deeply 

 parted into lanceolate acuminate lobes ; corolla 5-9 mm. long. 



Type locality : Island of Santa Cjruz, California. 

 Distribution : Island of Santa Cruz. 



