(18) 
to an acute tip, the tube very short; corolla pale yellow, 1 cm. 
long, 5-ridged, its linear-lanceolate lobes about as long as its tube; 
carpels erect, distinct to the base. 
Described from a living plant sent to the New York Botanical Gar- 
den, April, 1902, from San Diego, Cal., by Miss Mary T. Bryce; 
probably originally from Coronado Islands. 
20. Dudleya ingens Rose, sp. nov. 
Caudex 3 dm. high or more, densely clothed with the bases of 
old leaves and oad by a rosette of large leaves 10-20 cm. long, 
and 3-4 cm. broad; flowering stems 5-6 dm. long; inflorescence 
a somewhat open panicle ; ; calyx-lobes narrowly lanceolate, half as 
long as the corolla, somewhat glaucous. 
Collected by T. S. Brandegee at San Telmo, Lower California, 
June 1, 1893. Closely resembling D. Bryceae, but with larger 
and more open panicles. Type in herb. Brandegee; fragment and 
photograph in U.S. National Herbarium. 
21. Dudleya candida Britton, sp. nov. 
Caudex stout, about 6 cm. high; basal leaves white-farinose all 
over, numerous, linear to linear-oblong, sharply enreaa some- 
what widened at the base, 5-7 cm. long, 1 cm. wide or less; flower- 
ing branch stout, about 3 dm. tall, its narrowly lanceolate leaves 
somewhat clasping ; inflorescence dense e, about 6 cm. broad; ped- 
icels stout, 2-5 mm. long; calyx-segments linear-lanceolate, acute 
to acuminate, more than one half as long as the linear acute corolla- 
segments. 
Coronado Islands, California, George Thurber, May, 1852 (no. 
582) 
22. Dudleya rigidifiora Rose, sp. nov. 
Basal leaves not seen; flowering stem stout, 3-4 dm. long, pur- 
plish; inflorescence of numerous long slender secund racemes; 
pedicels asceriding, 4-5 mm. long; calyx deeply 5-cleft, its lobes 
equal, fleshy, 6-7 mm. long, acuminate, somewhat glaucous ; co- 
rolla reddish, 12 mm. long, the tube 5 mm. long, thetlobes slender, 
acute and erect; stamens 10, much shorter than the corolla, all at- 
tached near a top of the corolla-tube; carpels 5, slender, erect, 
free to the bas 
Plaza co Lower California, collected by A. W. Anthony, 
July to October, 1896 (no. 142). 
23. DupLteya taxa (Lindl.) Britton & Rose. 
Echeveria laxa Lindl. Jour. Hort. Soc. 4: 292. 1849. 
Cotyledon laxa Benth. & Hook.; Brew. & Wats. Bot. Cal. 1: 
212. 1876, 
Monterey, California. 
