KEY TO THE NATURAL ORDERS. 
xlvii 
LXXV. Acanthaceae. Ovary 2-celled ; placentation axile. Ovules 2 or more 
in a cell. Fruit a capsule with elastic valves. Seeds usually borne on distinct 
spiny processes. — Herbs or shrubs, with simple opposite leaves (page 245). 
LXXVI. Myoporacese. Ovary 2-4-celled. Ovules 2 in a cell. Fruit a drupe 
with bony endocarp ; radicle superior. — Shrubs, with alternate gland-dotted leaves 
(page 250). 
LXXVII. Verbenacese. Ovary 2-4-celled, not lobed. Ovules 1-2 in a cell. 
Fruit dry or fleshy ; radicle inferior. — Herbs or shrubs, with opposite leaves 
(page 250). 
LXXYIII. Labiatse. Ovary 4-lobed. Fruit of 4 dry 1 -seeded nucules ; radicle 
inferior. — Herbs or shrubs, with opposite leaves (page 257). 
Series IY. INCOMPLETE. Flowers with at most only a single wrapper, 
not both calyx and a corolla. Exceptions: — Hichlamydeous, Rumex , Croton , Aleurites. 
* Ovary superior l-celled. (See also Rivina , Antidesma and Macaranga.) 
f Monochlamydeous. Anthers dehiscing longitudinally. 
Flowers usually hermaphrodite, 
LXXIX. Nyctaginaceae. Perianth gamophyllous, green or coloured. Sta- 
mens hypogynous. Fruit indehiscent. — Shrubs, trees or herbs, with exstipulate 
simple opposite or alternate leaves (page 262.) 
Basellaceje. Perianth gamophyllous. Stamens inserted at the throat of the 
perianth-tube. Fruit baccate. — Climbing fleshy herbs (page 265) . 
Thymelacea:. Perianth gamophyllous, green or coloured. Stamens inserted in 
the perianth-tube. Fruit fleshy. — Shrubs, with alternate entire exstipulate leaves 
(page 265). 
LXXX. Amaranthaceae. Perianth scariose, 3-5-partite. Stamens hypogy- 
nous. Fruit in our genera a 1 -seeded utricle. — Herbs, with simple entire alternate 
or opposite leaves (page 265.) 
Chenopodiaceje. Perianth green, 5-partite. Stamens hypogynous or perigy- 
nous. Fruit a 1-seeded utricle. — Herbs, with alternate exstipulate leaves (page 270). 
LXXXI. Polygonaceae. Perianth 5-6 -partite, usually coloured. Stamens 
5-8, hypogynous or perigynous. Fruit a lenticular or triquetrous 1-seeded nut. — 
Herbs or shrubs, with alternate simple leaves and membranous sheathing stipules 
(page 271.) 
Flowers usually imisexual. 
LXXXII. Urticaceae. Perianth green, 3-4-lobed or 3-4-fid, rarely absent. 
Stamens as many as the perianth-lobes. Fruit usually an achene. — Trees, shrubs or 
herbs, with opposite or alternate stipulate leaves and watery juice (page 272). 
LXXXIII. Ulmaceae. Perianth green, 4-5-lobed. Stamens as many as the 
perianth-lobes. Fruit dry or fleshy. — Shrubs or trees, with alternate simple 
stipulate leaves (page 280). 
LXXXIV. Moreae. Perianth green, 3-6-lobed or 3-6-fid. Stamens 1-6. 
Fruit dry or fleshy. — Trees or shrubs, with milky juice, alternate leaves and large 
stipules rolled together and leaving a scar when they fall (page 282). 
LXXXV. Monimiaceae. Perianth saccate, with the numerous stamens spread 
over its face. Ovaries many in each flower. Fruit dry or fleshy. — Trees or shrubs, 
with entire usually opposite leaves (page 286). 
ft Monochlamydeous. Anthers dehiscing byjlaps (except in Hemandia). 
LXXXVI. Lauraceae. Perianth subcorolline,— deeply 4-10 lobed. Stamens 
