470 SIR JOHN LUBBOCK ON STIPULES, 
yet afford a considerable amount of protection to the young bud.. 
Perhaps they may be very caducous and have therefore been: 
overlooked. 
Hymenanthera crassifolia, x 2. 
PoRTULACES. 
In Portulaca grandiflora, Hook., the leaves narrow suddenly 
into a short petiole, furnished with numerous, woolly-like set. 
The setx, aided by the crowded leaves at the apex of the stem 
and branches, effectively protect the bud. 
In Calandrinia wmbellata, DC., the leaves are crowded in dense 
fascicles and are narrowed downwards butnot distinctly petiolate ; 
the basal portion is again much dilated, with a broad insertion, 
and strongly ciliate with coarse hairs to the summit of the 
dilated portion or rather beyond it. There are no stipules. 
