CXI. PIPERACEZX. 203 
Orpen CXI. PIPERACEZ. 
Flowers hermaphrodite or unisexual, in closely packed spikes or 
E racemes, each with a subtending o br act often stipitate. Perianth 
t 
o S to 10, inserted on the rhachis or at the base of the 
ovary Ovary (except in the tribe Saurureæ, which is not Australian 
l-celled, with 1 erect ovule; stigmas 1 to e s 
e Order is genera ide rues r the soni and subtropical regions of the 
je d the Old World, pasti chilly of the two Australian genera, both of which 
Tange over the general area e Ord 
Anthers of 2 fete cells Pr fg to back, each opening in 2 
valves. Aa en s 2 to 4, usually 3. Shrubs trees or climbers, rarely 
tall herbs . 1. PIPER. 
Anther-cells confluent, the whole anther opening in n2 valves. Stigma 
tufted, He rbs often small . . 9. Peperomia. 
The spurious dissep imen es hth 80 o frequently divides the Te anther-cell more or 
Sa perfectly into two is usually very prominen iret anther is there- 
fore sometimes described as 4-celled in Piper, dd rut ay in P 
1. PIPER, Linn. 
(Potomorphe and Macropiper, Miq.) 
fae unisexual or hermaphrodite, the pabtencing bract peltate or 
adnate. Stamens in the Australian species 2 or 3; ne of 2 distinct 
cells placed back to back, each opening outwards 'in 2 valves. Ovary 
I-cel d, audios a single ovule. Stigmas 9, or in tig not Australian 
x1 4 o Berries sessile or stipitate.—Shrubs trees or woody 
imbers, mun tall herbs, the branches usually radniats at the nodes. 
Le eaves alternate, Spikes usually leaf-opposed and solar, rarely 
clustered or solitary on short axillary peduncles or branches 
The s ranges over all tro posl lands, slightly extending to the southward in 
Australasia and S. America. Of the six d species one has the v Vile range of 
are ideni, and there may be one es more species amo ongst those of which w 
have as yet the leaves only. 
Spikes solitary or 2 or more together on axillary peduncles or 
short branches. Bushy erect shrubs or tall herbs. 
Flowers hermaphrodite. Leaves 6 to 1. P. subpeltatum. 
nise xh ave . 2. P. excelsum, 
Spikes all solitary and leaf-opposed. Sides. (in the Austrálian 
species) climbing Spike pa unisexual.- 
Spikes all dense, 4 to 1 i . Bracts peltate. Anthers 
exserted. Berries anu" Leaves membranous, glabrous 3. P. Nove-Hollandia. 
Male spikes unknown . Be 5 
tate. Leaves pubescent underneath. . . . . . 4 P. Banksii. 
