1 62 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



about ten plants which I have had from as many different sources. 

 One well-marked variety is discussed below. 



Description. — A small, tufted, pale-green rather glaucous perennial. Stems 

 short, barren shoots forming rather dense rosettes f inch across, flowering shoots 

 ascending, 3-4 inches high. Leaves alternate, spathulate, entire, upper edges 

 straight and intersecting at a right angle, long-tapered below, about \ inch by 

 ^ inch, those of the flowering shoots spathulate-oblong. Inflorescence of three 

 or more patent branches, with a flower in the fork. Buds ovate, acute, con- 



FiG. 87. — 5. Nevii A. Gray. 



spicuously ribbed. Flowers usually 5- (sometimes 4- or 6-) parted, ^ inch across. 

 Sepals green, fleshy, linear-lanceolate, blunt, slightly longer or shorter than the 

 petals. Petals linear-lanceolate, acute, white, keeled. Stamens slightly shorter 

 than the petals, filaments white, anthers purple. Scales small, white, quadrate. 

 Carpels white, at first erect, later spreading, stellate in fruit ; styles very short. 



Flowers June. 



Habitat.— Eastern United States, Illinois to Alabama. 



It is named after its discoverer, Rev. Dr. Nevius. 



Var. Beyrichianum Praeger in Journ. of BoL, 55, 211, 1917 (fig. 88). 

 S. Beyrichianum Ma-sters in Gard. Chron., 1878, ii. 376. 



Plant more diffuse and rather greener. Barren shoots longer, 

 with more distant leaves and a very lax terminal rosette ; leaves 

 narrower. Floral parts as in type. 



I have discussed Masters' Sedum Beyrichianum {loc. cit.) and given 

 my reasons for setting it down as a variety of S. Nevii. That it is a 



