THREE NEW SPECIES OF ECHEVERIA FROM 

 SOUTHERN MEXICO." 



By J. X. Rose and J. A. Pruprs. 



Dr. ('. A. Purpus spent much time during 1907 ami 1908 on the 

 high mountains of Puebla, especially near San Luis Tultitlanapa, 

 near the border of Oaxaca, Mexico, and on the peak of Orizaba, where 

 he collected numerous interesting succulents. Living plants were 

 sent both to Washington, D. C, and to Darmstadt, Germany. Three 

 species have been recognized independently by the writers in this 

 material, and these are here described jointly by them. All three of 

 the species have flowered at Darmstadt, and one of them, E. gigantea, 

 has flowered frequently in Washington, maturing seed which has 

 afforded numerous seedlings. The red-margined leaves form beauti- 

 ful rosettes, and the species would doubtless prove to be a good bed- 

 ding plant. Echeveria subalpina, also, belonging to the E. glauca 

 type, ought to furnish suitable material for flat bedding. 



Echeveria setosa Rose & Purpus, sp. now Plate 10. 



Acaulesoent giving out offsets from the base; leaves 100 or more, forming dense, 

 almost globular rosettes (10 to 12 cm. in diameter), tbickish but flattened, spatulate 

 to oblanceolate, 4 to 5 cm. long with an ovate, acute tip, slightly ridged along the 

 middle both above and below, covered on both sides with set iform hairs; flowering stems 

 setose, 20 to 30 cm. high, bearing small bract-like setose leaves; inflorescence usually 

 simple, consisting of an 8 to 10-flowered secund raceme; lower pedicels 2 to 3 cm, 

 long; sepals green, linear, setose, spreading; petals 10 to 15 mm. long, red at base, 

 yellow at tip, smooth within, short-setose without; stamens white; styles greenish. 



Collected by Dr. C. A. Purpus on rock, Cerro de la Yerba, near San Talis Tultitla- 

 napa, Puebla, in 1907, and grown both in Washington, D. ('. and at Darmstadt, 

 Germany, flowering at the latter place in 1909. 



Type U. S. National Herbarium no. o92487. 



Explanation of Plate 10.- Flowering plant . From a photograph by J. A. Purpus. 



Echeveria subalpina Rose & Purpus, sp. nov. Plate 11. 



Aeauleseent; leaves arranged in open rosettes (20 to 25 cm. in diameter), linear- 

 lanceolate, with reddish attenuate tips, 7 to 10 cm. long, 1.5 to 2 cm. broad, very 

 glaucous; flowering stem simple, rarely 2-branched. bearing few bract-like leaves; 



" Three of the illustrations here used have been furnished by .1. A. Purpus, Curator 

 of the Botanical Garden at Darmstadt. 



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