Some Neio South African Succulents. 45 



closely crowded, and as each one is terminated by a pair of leaves, 

 the whole forms a flat fleshy cushion. Owing to the white tomentum 

 of the leaves the plant is hardly visible on the ground, for up to the 

 present it has been found only on fields of white quartz. The species 

 w^as mentioned in one of my papers on ''Mimicry'' (see Trans., 

 Vol. XV., p. 101), and as Sonder states that the flowers are 

 unknown, I attach their description : Flowers pedicillate, pedicels 

 10-15 mm. long, but lengthening later on to 20 mm., hardening and 

 remaining on the plant. Petals pale purple, about 10 mm. long, 

 narrow linear. 



The plant flowered in my garden at Capetown in July, 1905. 

 Marloth No. 3300; Ladismith, 400 m. Also collected by Mr. E. 

 Pillans. 



Mesembeianthemum calcareum, n. spec. 



Planta acaulis, perennis ; folia aggregata, crassa, spathulata, 

 apicem versus trigona, facie superiore valde rugosa, albo-tuberculata. 

 Flores solitarii, subsessiles ; calyx 6 partitus segmentis aequalibus ; 



MESEMBEIANTHEMUM CALCAEEUM, n. Sp. 



petala linearia, aurea, calycis lobis duplo longiora. Stamina alba 

 conniventia filamentis parte pilosis ; stigmata 6, linearia. 



The diameter of the rosette of leaves is 3 to 8 cm. ; the leaves are 

 flat on the ground, almost hidden between the fragments of lime- 



