94 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY, 



DESCRIPTION AND COMPARISON- 



:ont. 



C. x kewensis. 



Flowers. 



Sepals. 



Petals. 

 Style. 



Expanding at dusk and closing at 

 dawn ; exhaling a faint, sappy smell. 

 Span ii to 12 in. 



Slightly longer but considerably nar- 

 rower than the inner segments 

 (petals) . Of a brownish-straw colour 

 and | in. wide. 



Stamens. 



Pollen. 



Fruit. 



White ; from less than an inch up to 

 ij in. in width. 



Remarkably stout, intermediate in 

 length between that of the inner 

 and outer segments of the perianth, 

 branching into 19 to 21 simple 

 stigmas (some of these 1 to 1 J inch 

 long) , the whole of a uniform yellow 

 colour 



1 J inch shorter than the style, and 

 rather lighter in colour. 



Light yellow. 

 Unknown. 



C. MacDonaldiae. 



Expanding at dusk 

 and closing at 

 dawn ; exhaling 

 a faint, sappy, 

 smell. Span 13 

 to 14 inches. 



Slightly longer (6 

 to 7 inches) but 

 much narrower 

 (J to J inch) than 

 the petals. 

 Brown in the 

 very outer to 

 primrose - yellow 

 in the inner 

 sepals. 



White ; an inch or 

 more in width. 



Very stout, as long 

 as the petals, 

 branched into 20 

 to 23 simple or 

 compound stig- 

 mas spreading 

 over a diameter 

 of over 2 inches. 

 The whole white 

 or straw-yellow. 



Very numerous (200 

 to 250). 



White or straw- 

 yellow. 



I have never seen 

 the fruit of this 

 species. 



