CLASSIFICATIONS OF ORDERS AND GENERA. 
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CLASS IV. TETRANDRIA. 
§ 1. Perianth double, inferior. Corolla monopetalous. 
Leaves opposite. 
Maritime tree. Leaves entire, downy below .... 
Marsh or water, minute herbs • 
Herb very aromatic, prostrate. Ovary 4-lobed . . . 
Herbs. Leaves densely 4-fariously imbricate . 
Herbs, bitter. Corolla campanulate or rotate .... 
Leaves alternate or radical. 
Shrubs. Leaves entire, with transparent dots. Stamens 
opposite petals 
Tree. Stamens epipetalous, alternating with scales . . 
Shrub. Leaves serrate, with transparent dots . . . . 
Scapigerous herbs. Flowers spiked or capitate. Filaments 
very long, flexuose 
§ 2. Perianth double, inferior. Corolla polypetalous. 
Leaves opposite. 
Small herbs 
Shrubs and trees. Petals lobed 
Leaves alternate or radical. 
Shrubs or herbs. Flowers white, small, racemed . 
Shrubs. Leaves with transparent dots 
Climbing shrub. Flowers with a fringe inside the petals 
Herbs. Leaves with glandular hairs . 
§ 3. Perianth double, superior. Corolla monopetalous. 
Leaves opposite ; stipules 0. Style 1 
Leaves opposite, stipuled. Styles 2 
Leaves alternate ; stipules 0. Style 1 
Leaves whorled 
Leaves 0. Stems jointed. Parasites 
§ 4. Perianth double, superior. Corolla polypetalous. 
Herbs. Flowers minute 
Parasitic shrub 
§ 5. Perianth single or 0. 
Leaves opposite [or 0 in Liscaria and Viscum). 
Herbs. Leaves subulate 
Tree or shrub, spiny. Branches opposite 
Parasitic Shrubs. Stamens opposite perianth ... 
Erect tree. Stamens opposite perianth-lobes .... 
Herbs. Leaves broad. Flowers small, green, clustered . 
Leaves alternate, 
a. Perianth inferior. 
Tufted, alpine. Leaves linear. Perianth tubular. Sta- 
mens on the tube 
Trees and shrubs. Stamens on the 4 lobes of the pe- 
rianth 
Herbs. Flowers minute, green 
Aquatic herbs. Leafes floating or submerged . . . 
Tall, grass-like plants. Flowers in spikelets . . . 
/8. Perianth superior. 
Prostrate herb. Leaves pinnate. Flowers in a glo- 
bose head 
Fleshy maritime herbs. Leaves simple ..... 
Erect tree. Flowers cymose 
Avicennia, p. 224. 
Glossostigma, p. 203. 
Limosella, p. 204. 
Mentha, p. 225. 
Logania, p. 188. 
Gemtianeai, p. 189. 
Myrsine, p. 183. 
Sapota, p. 185. 
Myoporum, p. 224. 
Plantago, p. 226. 
Tillaia, p. 61. 
Aristotelia, p. 33. 
Lepidium, p. 13. 
Myrsine, p. 183. 
Passiflora, 81. 
Drosera, p. 63. 
Loranthacea:, p. 107. 
Rubiaceas, p. 110. 
Alseuosmia, p. 109. 
Asperula, 121. 
Galium, 120. 
Viscum, p. 103. 
Haloragea:, p. 64. 
Loranthus, p. 106. 
COLOBANTHUS, p. 24. 
Discaria, p. 43. 
Tupeia, p. 108. 
Viscum, p. 108. 
Santalum, p. 247. 
Chenopobium, p. 229. 
Drapetes, p. 245. 
Proteaceas, p. 240. 
Chenopodium, p. 229. 
Naiadeaj, p. 277- 
Gahnia, p. 305. 
Aca:na, p. 55. 
Tetragonia, p. 83. 
Santalum, p. 247. 
