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88 FLORA OF SOUTH AUSTRALIA. 
Flowers in terminal clusters; stout, glabrous orygioides 
Fertile stamens about 10; flowers small in axillary 
clusters. Glabrous or slightly pubescent .... Spergula 
11. Stamens 3 to 5 all perfect; seeds with- 
out appendage. 
Glabrous, very small, erect or diffuse; flowers 
very small on slender pedicels; filaments 
not dilated Hels La sles ie ... Cerviana 
ORDER LYTHRACEAE. 
Petals conspicuous; calyx narrow elongated, ribbed, of 
somewhat herbaceous texture. Tall or dwarf herbs .... Lythrum 
Petals minute or absent ; calyx short membranous. 
Flowers sessile solitary ; capsule regularly bursting by 
valves it. ae : te .. Rotala 
Flowers stalked in axillary cymes; capsule bursting 
irregularly or transversely ” et : Ammannia 
Lythrum. 
Tall, leaves opposite or whorled ; flowers sessile, purplish- 
red, large, in terminal leafy spikes ; stamens 12 ... Salicaria 
Decumbent annual; leaves alternate ; flowers small, axillary, : 
solitary, pink ; stamens 6 or less... Eas 7 ... hyssopifolia 
Rotala. 
Leaves orbicular, opposite ; capsule 2-valved ; stamens2... diandra 
Ammannia. 
Erect, branching about 2 feet; leaves narrowed at the base; 
stamens 2 to 4 5a < &) Te ee ... baccifera 
Erect, branching, dwarf; leaves dilated or cordate at the 
base ; petals 4, minute re ne Hi an ... multifiora 
ORDER ONAGREAE. 
Calyx-lobes deciduous; stamens 8; petals 4; seeds hair-tufted Epilobium 
Calyx-lobes persistent ; stamens 10; petals 5; seedsnaked Jussieua 
Epilobium. 
Erect, tall herb, glabrous or hairy, more or less 4-angled ; 
leaves opposite or scattered, oblong to linear-lanceolate ; 
flowers pink, axillary, terminal, solitary ; fruit filiform- - 
cylindrical _... th 33 zs she Shee ... Qlabellum 
