Boerhaavia. | C. NYCTAGINEE, 279 
W. Australia. Sharks Bay, Milne, Maitland Brown; between Moore and 
Murchison rivers, Drummond, 6th coll. n. 217. : E 
The species has a considerable range in East India, the Indian Archipelago, &c., 
chiefly in maritime districts. 
9. PISONIA, Linn. 
nti an t in the male flowers 
Stigma in the females dilated, oblique. Fruiting perianth oblong or 
i i ned by the 
., The species a rous in tropical and subtropical America, but there epe a 
few in southern Asia and in the island region from the S. African coast to the n x 
Ofthe three Australian species one is widely spread over the tropical regions both o 
8 
ci : : remains ex- 
the synonymy, however, notwithstanding the researches of Seemann, 4 
ceedingly confused, and the specimens now ie our herbaria are wholly insufficient to 
clear it up. 
Tall wood climber > : " : 4 
: with axilla . Flowers unisexual. Fruit- 
mg perlanth múricate. . id HUE iV DRAP Werke eq 
Tired es, 
Eme en FEAT woe keys eire =: 9. P. inermis. 
lowers (all?) hermaphrodite. Perianth glabrous, elongated and ‘ 
smooth or minutely papillose-scabrous when in fruit. . - + 3. P. Brunoniana. 
l P. aculeata, Linn. ; Chois. in DO, Prod. xiii. ii. sing A » 
Woody climber, forming impenetrable masses on the borders of forests, 
Ce 6, camp l 
mmently 5-angled at the top, opening to 
Tni perianths nearly sessile, ades : ih s deont 
hed 2 enclosing the ovary, the style shortly protruding, with a i y 
or fringed stigma. ` Fruits in loose cymes forming often large 
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