plants he has seen. Mr. A. Berger has relied upon the 
width of the leaf as a diagnostic character in separating 
the species of Kniphojia, but while this feature may be 
reliable in the case of plants growing under identical 
conditions, it may prove less satisfactory when dealing 
with specimens from different localities. Another rather 
variable character is the colour of the flowers. These are 
sometimes uniformly red, sometimes uniformly yellow. 
In certain cases, however, the flowers though red in bud 
become yellow when mature. The stamens are included, 
but the style in the fully developed flower is shortly 
exserted. The nearest ally of K. Snowdeni is K. longi- 
styla, Baker, a Nyasaland species which has a cylindric 
glabrous perianth, and is thus easily distinguished from 
the one now figured, in which the perianth is densely 
pubescent and is constricted above the ovary as in the 
Genus Gasteria. 
Description.—Herb, with tufted linear leaves, 1} in. wide, glabrous, about 
15-nerved, with entire hyaline margin. Peduncle 5 ft. high, cylindric; spike 
1 ft. long; bracts ovate, long acuminate, $+ in. long. Pertanth 1} in. long, 
slightly curved, constricted above the ovary, pubescent outside, strongly 
ribbed, red or yellow; lobes rounded, blunt, about 1, in. long and wide. 
Anthers included. Ovary conical ; style 8-quetrous, at length exserted. 
Tas, 8867.—Fig. 1, longitudinal section of perianth; 2 anther; 3, pistil; 
4, sketch of an entire plant; 5, flower from a plant in which all the flowers 
were uniformly yellow :—all enlarged ont ich ts mi 
baal ciad wisteoral aes arged except 4, which ts much reduced, and 5, 
