870 



COTYLEDON 



COTYLEDON 



crowded on sterile shoots, somewhat fleshy, linear 

 or linear-spatulate, obtuse, M-;H(i n - long: fls. few 

 short-pedicelled, cymose; sepals free, linear, obtuse; 

 petals plane and strongly coherent, forming a tube, Min. ; 

 or less long, the lobes ovate, acute, erect. S. Mex. One 

 of the dozen known species of Altamiranoa (see p. 267, 

 Vol. I), in that genus becoming A. mexicana, Rose. 



BBB. Lvs. broader, flat, often very fleshy. 

 c. Calyx minute. (Urbinia.) 



12. agavoides, Baker (Echeveria agavoides, Lem. 

 Urbinia agavoides, Brit. & Rose). Small and compact: 

 Ivs. densely rosulate, stiff, acuminate and very sharp- 

 pointed, pale gray-green on both sides, papillose: fls. 4-6, 

 orange, on long pedicels; sepals several times shorter 

 than the corolla. Mex. Useful for carpet-beddings. 



cc. Calyx evident or prominent. 



D. Petals always appendaged at insertion of stamens. 

 (Pachyphytum.) 



13. Pachyphytum, Baker (Pachyphytum bracteo- 

 sum, Klotzsch). SILVER-BRACT. Somewhat shrubby, 

 very succulent, pale glaucous blue throughout: Ivs. 

 clothing upper part of st., more or less rosulate, large 

 and thick, spreading, obovate, obtuse or obtuse-pointed, 

 the scars from the fallen Ivs. orbicular: fls. in spikes 

 4-6 in. long on lateral peduncles; corolla red, immersed 

 in the large calyx which is about 1 in. long; stamens 5 

 large and 5 small. Mex. B.M. 4951. A singular plant, 

 blooming in summer. 1 ft. 



DD. Petals not appendaged. 

 E. Corolla strongly 5-angled. (Echeveria.) 

 p. Color of plant (or- of Ivs.) dark purple. 



14. atropurpfcrea, Baker (Echeveria sanguinea, Morr.). 

 St. short and stout: Ivs. in rosette at top of st., dark 

 purple and glaucous, obovate-spatulate: fls. bright red, 

 in a long raceme terminating the erect st.; corolla 5- 

 angled, white toward base. Mex. See p. 1086. 



FF. Color green, or ordinarily glaucous (except var. 

 of No. 19). 



G. St. wanting or nearly so (acaulescent species). 



15,'Peacockii, Baker (Echeveria Peacockii, Crouch.). 

 Acaulescent: Ivs. about 50 in a dense rosette 6 in. across 

 and standing 4 in. high, obovate-spatulate, mucronate, 

 reddish toward tip, glaucous: st. 12-24 in., with small 

 If .-like bracts: fls. bright red, in a scirpioid spike; 

 calyx-lobes linear, unequal; corolla about Hin. long, 

 the parts lanceolate-acute. Mex. (?) Interesting for 

 its glaucous coloring and waxy coating of the Ivs. 

 Named for Mr. Peacock, of Hammersmith, England, in 

 whose collection it flowered. See p. 1086. 



16. secunda, Baker (Echeveria secunda, Booth). Fig. 

 1083. Stemless: Ivs. in a rosette, crowded, cuneiform, 

 mucronate, glaucous, curving upward : fls. in a 1-sided, 

 recurved spike, reddish yellow; peduncle long, 6-12 

 in. high. June-Aug. Mex. B.R. 26:57. Probably 

 the most common species in gardens. Distinguished by 

 its pale green red-tipped rosettes; several forms. Half- 

 hardy. E. glauca, Baker (E. secunda var. glauca, Otto), 

 has glaucous-green foliage. See pp. 1086-7. 



GG. St. evident, often tall (caulescent species). 



17. Scheerii, Baker (Echeveria Scheerii, Lindl.). 

 Caulescent, branching: Ivs. large, glaucous, oval, acute, 

 narrowed into a long plane petiole-like part: fls. dingy 

 red with yellow tips, broadest at base, in drooping 

 racemes; sepals linear, acute, green, spreading, shorter 

 than the corolla. Mex. B.R. 31:27. P. 1087. 



18. fulgens, Baker (Echeveria fulgens, Lem.). St. 

 4-8 in. tall, but bearing long leafy fl. -branches: Ivs. 

 obovate-spatulate, pale glaucous green, clustered: fls. 

 bright red with yellow base, in nodding racemes. Mex. 



19. gibbiflora, Mpc. & Sess (Echeveria gibbiflbra, 

 DC.). Sts. 1-2 ft. high: Ivs. flat, wedge-shaped, acutely 

 mucronate, crowded at the ends of the branches: fls. 

 short-petioled; panicle branches 1-sided, spreading; 

 corolla gibbous at the base between the calyx-lobes, 

 the tube white, the tips touched with crimson. Mex. 

 B.R. 1247. Var. metallica, Baker (Echeveria metallica, 

 Hort.). Lvs. large, obovate-spatulate, 6 in. wide by 

 7 in. long, a beautiful glaucous purple with metallic 

 reflections: fls. yellowish with red tips. Mex. An 

 excellent plant for summer bedding. P. 1087. 



20. coccinea, Cav. (Echeveria coccinea, DC.). Plant 

 soft-pubescent, 1-2 ft.: Ivs. lance-spatulate : fls. scarlet 

 and yellow or paler within, in axillary long leafy, 15-25- 

 fld., loose spikes. Mex. B.M. 2572. P. 1086. 



EE. Corolla not strongly angled. 

 F. Fls. in a dense spike. (Courantia.) 



21. roseata, Baker (Echeveria rdsea, Lindl. Courantia 

 rdsea, Lem.). Sts. branching, 1 ft.: Ivs. oval, erect, 

 acute, mostly in terminal rosettes on the sterile shoots: 

 fls. yellow, in dense rose-bracted spikes; sepals linear- 

 acute, rose-colored; corolla bell-shaped, 5-parted. Mex. 

 B.R. 28:22. 



FF. Fls. in cymes or panicles. (Dudleya.) 



22. pulverulenta, Baker (Echeveria pulverulenta, Nutt. 

 E. farinosa, Hort. Dudleya pulverulenta, Brit. & 

 Rose). Lvs. in a rosette, silvery green, very mealy, 

 spatulate, acute, the tips reflexed, the cauline Ivs. grad- 

 ually diminishing into broadly cordate, clasping bracts: 

 panicles dichotomously branched ; pedicels slightly longer 

 than the pale scarlet or coral fls. Plants 1 ft. diam. 

 S. Calif. F.S. 19:1927-8. A fine plant for carpet- 

 bedding. 



23. Purpusii, Nichols. (Echeveria Purpusii, Schum., 

 not Brit. Dudleya Purpusii, Brit. & Rose). Cespitose, 

 with powdered snow-white foliage: Ivs. densely rosu- 

 late, broadly spatulate, acuminate: fls. in a branching 

 upright cluster; corolla conico-tubular, much exceeding 

 calyx; segms. scarlet with golden yellow tips. S. Calif. 

 B.M. 7713. G.C. III. 20:698. Gt. 45, p. 609. 



1084. Couroupita guianensis, the cannon-ball tree, showing the 

 trunk and the hanging flowers and fruits. 



