ADDISONIA 49 
(Plate 25) 
CREMNOPHILA NUTANS 
Drooping Cremnophila 
Native of south-central Mexico 
Family CRASSULACEAE ORPINE Family 
Sedum nutans Rose; Britton & Rose, Bull. N. Y. Bot. Gard. 3: 43. 1903. 
Cremnophila nutans Rose; Britton & Rose, N. Am. Fi. 22: 56. 1905. 
A perennial with a thick, bed caudex two to five inches long, 
when growing in a wild state hanging on the sides of cliffs, but 
in cultivation pie ading or rect. The basal leaves on wild plants 
form a broad c 
to 
more or less senttend along the upper part of the stem, thick, 
obovate, one to three inches long, up to one inch or more broad at 
widest point, very fleshy, glabrous, long persistent. The flower- 
stem is axillary, curved or bent, four to eight inches long, bearing 
small, thick, alternate leaves. ‘The inflorescence is a narrow panicle 
about four inches long. ‘The flowers are numerous. T ve 
calyx-lobes are green, acute, and nearly one fourth of an inch long. 
The five petals are bright yellow and a little longer than the pice 
The ten stamens are free to the base. At the base of the ovary 
there are five retuse scales. The five carpels are nite 
This species when originally described from herbarium specimens 
was placed in the genus Sedum, but after studying living plants it 
was seen to be very different from any species even in that very 
polymorphic genus. It differs especially in its paniculate inflores- 
cence and erect carpels. In its thick leaves it suggests the genus 
Pachyphytum, but has different inflorescence and flowers. In its 
foliage and inflorescence it resembles the old and well-known 
Echeveria linguaefolia. It grows in damp, mossy situations, prefer- 
ring the sides of high cliffs, often in nearly inaccessible places. It 
has been collected only on the cliffs of Tepoxtlan, in the high 
mountains between the City of Mexico and Cuernavaca. Living 
specimens, collected at El Parque, Morelos, by J. N. Rose and J. H. 
Painter, in 1903, were obtained by the New York Botanical Garden 
in 1905; from this source was obtained the plant from which our 
illustration was made. 
Culturally it requires the same treatment as other plants from 
that region, thriving at the New York Botanical Garden in a 
house devoted to desert plants. 
J. N. Rose. 
EXPLANATION OF PLATE. Fig. 1.—Flowering plant, showing habit; much 
reduced. Fig. 2.—Apex of stem. Fig. 3—Flowering stem. Fig. 4.— 
