( ix ) 
Haloragese :— Aquatic herbs, with very small, often 
unisexual flowers. Calyx lobes and petals 4, 2 
or none. Stamens definite. Ovary inferior. 
Styles distinct. 
GUNNEBA MAGELLANICA . . . . . .19 
Myrtacese : — Leaves opposite, evergreen. Flowers 
regular. Sepals and petals 4 or 5. Stamens 
indefinite. Receptacle more or less hollow. 
Mybtbola nummularia 20 
Crassulacese :— Leaves succulent. Petals, sepals and 
carpels the same in number. Carpels free. 
Till^a moschata 21 
Umbelliferse :— Leaves alternate. Flower head an 
umbel. Fruit dry. 
azobella filambntosa 21 
— eanunculus 22 
— c^spitosa 22 
Crantzia linbata . . . . . -.23 
Division 2. Petals united. Monopetalje. (Plates 24-48.) 
(a) Ovary inferior. Corolla bearing the Stamens. 
Eubiacese :— Stipules resemble leaves and form whorls 
with them round the stem. Ovary 2- celled, 1 
ovule in each. 
Nebtbba depebssa 24 
Galium antaecticum 25 
Valerianacese :— Corolla 5-lobed. Stamens 1-4. Anthers 
introrse. 
Valeriana sbdifolia .... 
