There are eight Madagascar species described, but the 

 genus is otherwise Continental African. 



8, Mahoni was raised from seed sent to the Royal 

 Gardens, Kew, by Mr. John Mahon, Assistant Curator of 

 the Botanic Station, Uganda. It flowered in tlie Succulent 

 House in June, 1900, and died after flowering, as 

 do all the monophyllous species of the genus so far as 

 is known. 



Descr. — Stemless. Leaf solitary, a foot or more long, 

 appressed to the ground, sessile, ovate-oblong, crenulate, 

 tip rounded, base cordate, many-nerved, bullate between 

 the nervules, pale green beneath. Scales many, crowded 

 in one series on the base of the costa of the leaf, stout, 

 erect, densely pilose. Cymes much-branched, effuse ; 

 branches and branchlets and pedicels decurved and pen- 

 dulous, densely pilose, as is the calyx. Flowers long- 

 pedicelled. Calyx-segments one-third of an inch long, 

 decurved, pubescent, inflated below the mouth ; limb an 

 inch broad ; lobes violet-blue, orbicular. Filaments very 

 short, glandular-hairy on the convex side ; anther-cells 

 divaricate. Ovary pubescent ; style very short. Capsule 

 two and a half inches long, very slender, pendulous, 

 pubescent. — J. D, H. 



Fig, 1, calyx and pistil ; 2, tube of corolla laid open ; 3 and 4, stamens 

 o, p:f3til : — all enlarged; 6, reduced figure of whole plant. 



