176 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



linear-lanceolate, blunt, green, very fleshy, resembling the leaves. Petals white, 

 lanceolate, rather acute, keeled, wide-spreading, twice the sepals. Stamens 

 slightly shorter than petals, filaments white, anthers red. Scales small, yellowish, 

 broader than long. Carpels erect, greenish, shorter than the stamens. 



Flowers June (gentle heat), July- August (cold frame). Not 

 hardy. 



Habitat. — San Luis Potosi and Oaxaca, Mexico. 



I have the plant from Washington, New York, and Edinburgh. 



The name commemorates the Danish botanist F. Liebmann, who 

 collected extensively in Mexico. 



75. Sedum compactum Rose (fig. 96). 



5. compactum Rose in "Contrib. U.S. Nat. Herb.," 13, 297, 1911. 



Illustration. — Loc. cit., pi. 53 (photo). 



A tiny creeping plant resembling 5. humifusum in size and habit, 

 but at once separated at any stage of growth by its glabrous leaves ; 



x4 



X I 



Fig. 96. — S. compactum Rose. 



those of S. humifusum are strongly ciliate. In flower, the almost 

 globular scented white blossoms are quite peculiar • those of humifusum 

 are star-like, yellow and scentless. 



Description. — Evergreen, perennial, minute, creeping, forming a close 

 greyish mat. Stems very short, much branched. Flower-stems an inch high, 

 erect, leafy. Leaves of barren stems densely imbricate, glabrous, grejdsh green, 

 sometimes dotted purple, obovate, blunt, very fleshy, flat on face, rounded on 

 back, J inch long ; leaves of flower-stems looser and larger. Inflorescence 

 terminal, of 2-3 flowers. Buds ovate. Flowers sub-globose, a little over \ inch 

 long. Sepals ovate, blunt, fleshy, concave, purplish. Petals oval, apiculate, 

 white, concave, twice the sepals. Stamens curved, | the petals, anthers yellow. 

 Scales large, broad, yellow. Carpels short, erect, greenish. 



Flowers June (gentle heat); July (cold frame). Not hardy. 



Habitat. — Oaxaca, Mexico. 



Received from Washington and Edinburgh. The blossoms have 

 a strong odour resembling elder flowers — scented blossoms are 

 extremely rare in Sedum. 



The specific name has reference to its close habit. 



(2) Leaves terete or sub-terete. 



A tolerably homogeneous group of European species with two 

 from Western Asia. S. dasyphyllum and S. brevifolium are closely 

 allied, as are also the two Asiatic species, S. gracile and S. Alherii- 



