icarpium exsuccum,
indehiscens, villosum, basi styli aristatum, perianthio scarioso et
filamentis emarcidis cinctum, abortione monospermum. Semen turgidum
obovatum retusum, integumento (testa) simplici membranaceo aqueo-pallido,
bine (intus) fere a basi acutiuscula, raphe fusca verticem retusum
attingente ibique in chalazam parvam concolorem ampliata. Albumen semini
conforme dense carnosum album. Embryo monocotyledoneus, aqueo-pallidus
subglobosus, extremitate inferiore (radiculari) acuta, in ipsa basi
seminis situs, semi-immersus, nec albumine omnino inclusus.
Table C. figure 1. Kingiae australis pedunculus capitulo florido
terminatus; figure 2, capitulum fructiferum; 3, sectio transversalis
pedunculi: 4, folium: hae magnitudine naturali, sequentes omnes plus
minus auctae sunt; 5, flos; 6, stamen; 7, anthera antice et, 8, eadem
postice visa; 9, pistillum; 10, ovarii sectio transversalis; 11, ejusdem
portio longitudinaliter secta exhibens ovulum adscendens cavitatem loculi
replens; 12, ovulum ita longitudinaliter sectum ut membrana interna
solummodo ejusque insertio in apice cavitatis testae visa sit; 13, ovuli
sectio longitudinalis profundius ducta exhibens membranam internam et
nucleum ex ejusdem basi ortum; 14, bracteae capituli fructiferi; 15,
pericarpium perianthio filamentisque persistentibus cinctum; 16,
pericarpium perianthio avulso filamentorum basibus relictis; 17, semen.
OBS. 1.
It remains to be ascertained, whether in this genus a resin is secreted
by the bases of the lower leaves, as in Xanthorrhoea; and whether, which
is probable, it agrees also in the internal structure of its stem with
that genus. In Xanthorrhoea the direction of fibres or vessels of the
caudex seems at first sight to resemble in some degree the dicotyledonous
arrangement, but in reality much more nearly approaches to that of
Dracaena draco, allowance being made for the greater number, and extreme
narrowness of leaves, to which all the radiating vessels belong.*
(*Footnote. My knowledge of this remarkable structure of Xanthorrhoea is
chiefly derived from specimens of the caudex of one of the larger species
of the genus, brought from Port Jackson, and deposited in the collection
at the Jardin du Roi of Paris by M. Gaudichaud, the very intelligent
botanist who was attached to Captain De Freycinet's voyage.)
OBS. 2.
I have placed Kingia in the natural order Junceae along with Dasypogon,
Calectasia and Xerotes, genera peculiar to
|