DAWEANJE IN UGANDA LECT. 499 
copiosum carnosum; embryo in semicirculum curvatus, circa 
peripheriam seminis situs, 1 em. longus vel ultra, radicula cylin- 
drica quam cotyledone longiore et crassiore ; cotyledones paullo 
inequales, plano-convexe, apicem versus sensim angustate. 
Toro: Kibale Forest, 1300 m., Dawe, 510. Native name, 
* Masuko." 
W. ugandensis appeared in Mr. Dawe's Report under the 
provisional name Dawea ugandensis, Sprague (gen. nov. Bix- 
acearum). Further examination has proved it to be one 
of the Canellacez, and although it differs from Engler’s and 
Warburg' descriptions of Warburgia in having the ovules 
biseriately arranged on the placente and in the subeapitate 
stigma, it seems desirable to refer it for the present to that 
genus.—7T. A. 8. 
Mr. L. A. Boodle, F.L.S., has kindly supplied the following 
account of the anatomy of W. ugandensis. 
An examination of the structure of this species gave the 
following results. Seeretory cells are present in the palisade 
and spongy tissue of the leaf, in the petiole, and in the cortex, 
phloem, and pith of the stem. In the wood there are vessels 
with long scalariform perforations, narrow medullary rays (1-2 
cells broad), and wood-prosenchyma with very distinet bordered 
pits. The periderm is superficial, and the cork-cells have thin 
walls. The medullary rays in the phloem inerease in breadth 
from within outwards. The petiole contains three vascular 
bundles. 
In all these features the anatomy agrees with that of the 
American genera of Canellacew, as summarised by Solereder 
(Syst. Anat. Dicot. p. 97), and according to Engler (Pflanzenw. 
Ost-Afr. C. 276) a similar structural agreement is shown by 
Warburgia Stuhlmannii, Engl. It is specially interesting that 
there should be such a close similarity in structure between the 
American and African genera of this Order. Regarding one 
feature in W. ugandensis, Sprague, I cannot speak definitely ; 
thickening of the inner walls in the phelloderm had only begun 
in a few cells, hence it would be necessary to examine older 
specimens of the stem, to determine whether the phelloderm 
subsequently assumes the structure typical of the Order.— 
L. A. B. 
