MR. J. MIERS ON THE ВАККІМСТОМІАСЕ Д. 109 
wards to the base; this portion is almost spinosely hirsute exteriorly: its texture con- 
sists of loose rigid longitudinal fibres without any agglutination; and, by abortion, it is 
only 1-celled, lined with a thinnish coriaceous еп4осагр, is 12 lines long and 2 lines in 
diameter; by the abortion of 3 of the cells, the central placental axis becomes parietal ; 
and upon it I observed four or five imbricated seeds, linear and much compressed, 3} 
lines long, $ line broad, suspended from the summit by a broad funicle 2 lines long; the 
embryo I could not make out. Dr. Welwitsch, in his note, quoted in the * Genera Plan- 
tarum,’ states he did not find perfect seeds; but the above details were obtained from a 
fruit, flowers, and plant kindly given to me by the late Dr. Welwitsch. 
А. drawing of this species (with its floral and carpological analyses) is shown in 
Tab. XVIII. figs. 16 to 26, 
9. MEGADENDRON *. 
This genus is proposed for two handsome Java plants, very lofty trees, one of which is 
the Barringtonia macrocarpa, so well described by Hasskahl in 1844: it has large long 
leaves, and bears much resemblance in its handsome flowers, upon a long terminal 
raceme, to those of Doxomma; but it differs from that genus in the constantly variable 
number of its sepals and petals, in the inflected margins of its erect sepals (free even 
in :estivation), in the position of its ovules, and in its much more elongated fruit. 
MEGADENDRON, nob. 
Barringtonia, Hassk. et Bl. (non Forst.). 
Sepala 2, 3, 4, libera, acute oblonga, chartacea, parallele nervosa, erecta, jam inde in zstivatione margi- 
nibus involutis et ad se applicitis, persistentia. Petala 4, 5, 6, duplo majora, oblonga, sestivatione 
imbricata, dein expansa, lateribus retroflexis, unguibus tubo staminigero agglutinata, et cum illo 
caduca. Stamina numerosissima, in tubum brevem imo monadelpha ; filamenta filiformia, pluriseriata, 
petalis longiora, seriebus interioribus anantheris et capillaribus ; anther@ рагуге, 2-loculares. Discus 
epigynus, plane annularis, margine exteriore tubum monadelphum fulciens, interiore in urceolum 
brevem latum expansus. Stylus filiformis, longitudine staminum ; stigma parvum. Ovarium inferum, 
turbinatum, vertice intra urceolum et stylum concavo, 4-loculare, ovulis in quoque loculo 5-6 (raro 
2-4) axi radiatim affixis. Fructus majusculus, elongato-cylindricus, utrinque obtusatus, calyce per- 
sistente styloque coronatus; pericarpium crassum, fibroso-coriaceum, abortu l-loculare et mono- 
spermum. Semen loculum implens, cylindricum, utrinque subattenuatum, obsolete tetragonum : 
testa fusca, submembranacea ; embryo exalbuminosus, amygdalinus, mesopodus, siccus exorhiza ad 
utramque extremitatem in fissuras 4 hiante. 
Arbores Timorenses et Javenses, excelse, ramose ; folia majuscula in apicibus ramorum congesta, ob- 
longa vel lanceolata, fere integra, petiolata ; flores speciosi, in racemo terminali sparse spicati. 
1. MEGADENDRON MACROCARPUM, nob.: Barringtonia macrocarpa, Hassk. Diagn. Nov. 
p. 504; in Cat. Hort. Bogor. p. 263; in Bot. Zeit. xxvii. 598 (1844); Miq. Fl. Ned. 
Ind. i. 485 (1855): Barringtonia racemosa, var. elongata, Bl. in Van Houtte, Fl. 
Serr. vii. 24: arbor alta, ramis crassis, cinerascentibus : foliis in summo ramulorum 
crebre congestis, late oblongis, apice acuminatis, infra medium subito cuneatis, ad 
marginem subrevolutum crenato-serratis, coriaceis, glaberrimis, supra profunde viri- 
am * А péyas (magnus), dévepov (arbor). 
SECOND SERIES.— BOTANY, VOL. I. 9 
