Part 1, 1905] CRASSULACBAB 39 



20. Dudleya Bryceae Britton, Bull. N. Y. Bot. Gard. 3 : 17. 1903. 



Caudex stout, short. Basal leaves very numerous, lanceolate to oblong-lanceolate, 6-8 

 cm. long, 2-3 cm. wide, flat, about 2 mm. thick, pale-green, somewhat shining, sharply 

 acuminate ; flowering stems ascending from the lower axils, about 3 dm. long, their leaves 

 lanceolate, acuminate; cyme many-flowered, about 8 cm. broad; pedicels 3-6 mm. long; 

 calyx-segments linear-lanceolate, 4 mm. long, about 1 mm. wide towards the base, gradu- 

 ally tapering 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. 



Type locality : Uncertain ; described from living plant in collections of New York Botani- 

 cal Garden sent from San Diego, California ; probably from I,ower California. 



21. Dudleya ingens Rose, Bull. N. Y. Bot. Gard. 3 : 18. 1903. 



Caudex 3 dm. high or more, densely clothed with the bases of old leaves and crowned 

 by a rosette of large leaves 10-20 cm. long, and 3-4- cm. broad. Flowering stem 5-6 dm. 

 long; inflorescence a somewhat open panicle; calj^-lobes narrowly lanceolate, half as long 

 as the corolla, somewhat glaucous. 



Type locality : San Telmo, I,ower California. 

 Distribution : Known only from the type locality. 



22. Dudleya Candida Britton, Bull. N. Y. Bot. Gard. 3 : 18. 1903. 



Caudex stout, about 6 cm', high. Basal leaves white-farinose all over, numerous, linear 

 to linear-oblong, sharply acuminate, somewhat widened at the base, 5-7 cm. long, 1 cm. 

 wide or less ; flowering branch stout, about 3 dm. tall, its narrowly lanceolate leaves some- 

 what clasping ; inflorescence dense, about 6 cm. broad ; pedicels stout, 2-5 mm. long ; calyx- 

 segments linear-lanceolate, acute to acuminate, more than one-half as long as the linear 

 acute corolla-segments. 



Type locality : Coronados Island, California. 

 Distribution : Known only from the type locality. 



23. Dudleya rigidiflora Rose, Bull. N. Y. Bot. Gard. 3 : 18. 1903. 



Basal leaves not seen ; flowering stem stout, 3-4- dm. long, purplish. Inflorescence of 

 numerous long slender secund racemes; pedicels ascending, 4-5 mm. long; calyx deeply 

 5-cleft, its lobes equal, fleshy, 6-7 mm. long, acuminate, somewhat glaucous ; corolla red- 

 dish, 12 mm. long, the tube 5 mm. long, the lobes slender, acute and erect ; stamens 10, 

 much shorter than the corolla, all attached near the top of the corolla-tube; carpels 5, 

 slender, erect, free to the base. 



Type locality : Plaza Maria, I^wer California. 

 Distribution : Known only from the type locality. 



24. Dudleya laxa (Ivindl.) Britton & Rose, Bull. N. Y. 



Bot. Gard. 3 : 18. 1903. 



Echeveria Laxa Lindl. Jour. Hort. See. I^ondon 4 : 292. 1849. 

 Cotyledon laxa Benth. & Hook.; S. Wats. Bot. Calif. 1 : 212. 1876. 



Rootstock very short, erect. Flowering stems 6 dm . high or less, rather slender ; leaves 

 glaucous, or becoming yellowish-green, ovate to lanceolate, acute to acuminate, 4-7 cm. 

 long, or the upper ones shorter and relatively broader ; cyme loose, its branches slender, 

 often forked, the flowers secund ; pedicels 1 cm. long or less ; calyx-segments ovate to 

 ovate-lanceolate, acute, 3-4 mm. long; corolla yellow, deeply lobed, 1-1.5 cm. long, its 

 lobes oblong-lanceolate, acute to acuminate. 



Type locality : Monterey, California. 

 Distribution : Southern and central California. 



25. Dudleya bernardina Britton, Bull. N. Y. Bot. Gard. 3 : 19. 1903. 



Acaulescent, green, or the young leaves and inflorescence somewhat glaucous. Basal 

 leaves forming a rosette, spreading, obovate-spatulate to rhombic-obovate, abruptly sharp- 

 Q^,i«ii*«af*^ <;-« ntn lonor .S rm wide or less: flowerine" branch 1.5-2.5 dm. hierh. leafv to 



