86 
one cistus root, some close together, and some separate ; nor 
is it easy to ascertain whether more than one knob proceed 
from the same individual. I cannot tell whether the plant 
requires strength underground during more than one season 
before it flowers, but I suspect that it perishes after blossom- 
ing.— W. H. 
83. LANKESTERIA parviflora. 
Among the curious things found in Sierra Leone by Mr. 
Whitfield is this Acanth, which is remarkable for its slender 
tubed yellow flowers, with the border all on one side, and 
changing to white. It has been flowered by Mr. Glendinning 
and will shortly be figured by us. Itisa very pretty ever- 
green stove plant, and for the moment may be thus defined : — 
LANKESTERIA. Spice breves, imbricatæ, axillares. Calyx 
5-phyllus, æqualis, bibracteatus. Corolla tubo gracili, 
limbo secundo 5-partito. Stamina 2, sterilibus 0, semi- 
exserta; anthere 2-loculares, mutice. Stigma sim- 
plex, capitatum. Capsula pedicellata, loculicido-bivalvis, 
abortu disperma. Semina plana pilis marginata, reti- 
naculis uncinatis subtensa. 
1. L. parviflora ; foliis obovatis obtusiusculis, corolle tubo 
calyce haud multum longiore. 
