308 JOUKHAL OF THE ROYAL HORTKULTUKAL SOCIETY. 



HAMET from specimens collected among rocks on the Yo-lin-chan, 

 Yunnan, by Delavav {No. 6726), and preserved m the Paris He^ 

 barium. Also collected in Yunnan by DucLO«x and others. De- 

 scribed as annual; but numerous plants, raised both m heat at Glas- 

 nevin and in the open in my own garden, were bienmal. The cultivated 



x4 xA xA ^^ 



x3 xS 



Fig. 184. — S. Leblancas Hamet. 



plants agreed weU with the description, save that they were tog^' 

 fn most of their parts-leaves half again as long and broad, and 

 sepals petals, and carpels about i longer and broader. 



'kmet considers it aUied to S. AUcia. ^^'"^'■"""T^Zu 

 (panioulatum Wallich). ferpusillum Hooker ^^ J"~l 

 kaximowicz, and Schomlandi Hamet, and gives the points of difference. 



Species Incompletely Known. 

 151. ? Sedum polyrhlium Praeger, sp. nov. (fig. 185). 



At once separated from aU other species in c"!"™""" "^ "' 

 curious stems, densely armed with rough scales arranged in nngs^ 

 and shaggy wth short aerial roots ahnost to the tips. S. oa.acmmm 

 Rosf S resembles it in habit more than do most of the Mexican 

 soecies has its stems somewhat similarly roughened, but to a very 

 rchLs extent, and oa.acanu«. is a much stouter plant ™ ^ broa-ler 

 leaves and no aerial roots. The present species much resembles m 

 habit and leaf a small S. album. , u ii.j c 



The plant came from New York Botanic Garden labeUed S 

 „J«, and is probably Mexican. Though f g-w= J^^V. ^^^ 

 efforts to get it to flower have been unsuccessful both at Glasnevin 

 tiL my^wn garden, so that its reference to the genus Sedum must 



