378 LVI. UMBELLIFERA. [Oreomyrrhis. 
collections; the most striking are the O. argentea and O. brachycarpa, but the dense silvery 
hairs of the former occur in a greater or less degree in several Victorian as i 
d d th fi 
well as Andiue 
specimens, an p ength of the fruit appears to be exceedingly inconstant. 
Orper LVII. ARALIACEJE. 
often co g, ith a long inflected point, or (in a few species not 
Australian) obtuse and imbricate, inserted round an epigynous entire disk 
ens as ma etals or sometimes (in genera not Australian) more, 
Stam 
inserted with them round the epigynous disk; anthers versatile, with pa- 
rallel cells opening longitudinally. Ovary inferior, 2- or more-celled, or. ve 
S 
2 
B 
Qu 
S, 
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5 
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PE 
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ip 
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P 
minal racemes or panicles, the umbels rarely solitary or in compound um 
Bracts usually small and often inconspicuous or none. Flowers frequently 
[7] 
s h h he O “tees Il t 
Wen emispheres, the Order is confined to the tropics in the New as well as in 
World. Of the six Australian species, two are wi ely e over tropical Asia and Africa, 
one of them extending also to New Zealand ; one extends only to the Indian Archipelago 4 
, Hedera, ne ascertained congener, 
temperate regions of the northern hemisphere in the Old World; the re- 
ie. 
Generally speaking, Araliacee differ from Umbellifere by their tall shrubby or arbore 
» paniculate inflorescence, valvate petals, entire disk and drupaceot 
xcept 
fruits, but every one of these characters breaks down in some e i m - of 
have p to unite the two Orders t such connecting S m nidi. are 
even the m u d it appears to me that if Astrotriche and Horsf 
l Orders, an e there 
transfe fr m Umbellifere, where they have been hitherto placed, into raliatet 
is really very little difficulty in drawing the line of demarcation between the two. 3 
Styles 2 (or exceptionally 3) distinct. 
Petals with the tips slightly or not at all inflected. Umbels heads 
racemes paniculate, rarely solitary. 
ple. Plant iun stellate-tomentose . 1 sso 
Leaves all sim esses 
Leaves mostly or all ecmpound. — Plant glabrous or nearly so . 2. PANAX. 
