EAST AFRICAN PLANTs. 67 
fertilisation. With regard to Chimonanthus, which flowers at a time 
when ants are dormant, the scent may perhaps be regarded as an 
inheritance from later-flowering ancestors. This is a subject which 
seems tags the ee of Fritz Miiller. 
Gr TASICA . Moore, u.sp. (tab. 185, fig. 2).—Ra 
teretibus plibreecontibus, ramulis py cr? tomentosis, foliis breviter 
petiolatis trinerviis oblongis vel ovato 
petiolis 7-2 unc. Sori tomentosis, cy olil oeidinn opp tis 
atque iis brevioribus tomentosis, sepalis linearibus obtusiusculis extus 
tomentosis margine albidi tu n oblongis irre- 
gulariter dentatis vel undulatis vix duplo longioribus, toro circiter 4 
une. lon scente, ovario su villoso 2-loc n semper 
loculis 2-ovulatis, stigmato 2-lobulato drupo plerumque 2-pyreno 
“heteet in ins. Zanzibar in vallib. humid. atque ad litt. maris. No. 
1117! 4 met. alt. 
OSWELLIA NEGLECTA, S. Moore, n.sp. (tab. 1).—Caul 
tereti robusto cortice pier longitudinaliter- ae lenticellifero 
glabro ae foliis ad apices Aeciseniars brevium congestis plerumque 
8-10-jugis 3-14 unc. long. hirsuto-pubescentibus, foliolis oblongis 
obtusis a unc. long. (foliolo nltim u 
e Di 
ma: agnop ere dilatatis “saree sia obscure papillosis, capsula imma- 
tura trigona basi angusta’ 
In Mont. “ Ablgcbirge? ” dictis 500 met, No. 1508! Arbor 5-6 
met. alt. Nom. vernac. Murlo. 
The structure of the Burseraceous stem has been invenbagetall by 
M. Marchand (Baillon’s Adansonia, vols. 7 & 8). He finds the 
resin in the roots, leaves, flowers and fruit; but in most quantity in 
the bark, round which 1 atter the main struct interest collects. 
section of the bark-structures of a first year’s shoot of e 
- drum Opobalsamum chert wn foskbri of liber-cells alternately convex 
te 
wn by B. 
bark of this species is formed of an outer zone of empty os (pseud- 
apa of Marchand), followed by a pretty thick region of nije 
still containing traces of gum-resin, after which comes a “ang 
“* Probably B: Berryi, Arn., an Indian plant.—[ #4. Journ. ees : 
