BOTANICAL INTRODUCTION 



55 



96. Stamens hypogynous. 

 Stamens perigynous. 



97. Carpels solitary or ovary 1-oelled. 

 Ovary 2- or 3-cellecl. 



98. Leaves 0. 



Leaves opposite or alternate. 



99. Twining, slender, parasitic plant. 

 Plants not parasitic or twining. 



100. Fleshy, jointed, maritime herb. 



Small shrub. Branches grooved. Fruit red. 



101. Leaves opposite. Herbs. 



Leaves alternate. Sbrvibs or trees. 

 10'2. Flowers unisexual, minute, green. Stamens4 

 Flowers hermaphrodite. 



103. Flowers minute, white. 

 Flowers minute, green. 



104. Flowers in axillarj^ fascicles. 

 Flowers in pairs. Stamen 1. Seed 1. 



105. Flowers in axillary spikelets. Ovule 1. 

 Ovules many. 



106. Stamens 6 or more. 

 Stamens less than 6. 



107. Flowers unisexual. Stamens 6-8. Leaves 



pinnate. 

 Flowers hermaphrodite, leaves simple. 



108. Leaves large. Stamens 6-10, hypogynous. 

 Stamens 6-15, perigynous, opening by valves. 



109. Flowers minute, green. Stamens 1-5, peri- 



gynous. 

 Stamens 2-5, attached to the perianth lobes. 



110. Stamens 2 or 4, on top of the perianth tube. 

 Stamens 4 or 5. Leaves not imbricated. 



111. Leaves with transparent dots. Stamens on 



the base of the perianth lobes. 

 Leaves without transparent dots. 



112. Stamens on base of deciduous perianth lobes. 

 Stamens 4 on middle or top of deciduous 



perianth lobes. 



113. Shrubs or trees. 

 Herbs. 



114. *Herb, juice milk)'. Leaves alternate. 

 Herb, sepals 4, stamens 6. 



115. Leaves opposite or 0. 

 Leaves alternate. 



116. A spinous shrub. Leaves opposite or 



Stamens 4 or 5, perigynous. 



R.\NUXC'UL.^CE.\E, p. 160. 

 MONIMIACB.iE, p. 174. 



98. 



113. 

 99. 



101. 

 Cassi/tha, p. 176. 



100. 

 Salicornia, p. 156. 

 iBxocarpus. 



102. 



106. 

 Pai-ietaiiii, p. 138. 



103. 



104. 



105. 

 \ Alternanthera. 

 iScleranthus. 

 Ghenopodium, p. 155. 

 CAEYOPHYLLACB.4E, p. 156. 



107. 



109. 



Alecii'yon, p. 225. 



108. 

 Pisonia, p. 159. 



LAUHACEAE, p. 175. 

 CHENOPODIACEAE, p. 154. 



110. 

 THYMELACE.AE, p. 269. 



111. 



JIYRSINACEAE, p. 331. 



112. 

 Snntalum, p. 148. 



PHOTEACBAB, p. 145. 



115. 



114. 

 EupJiorbia, p. 224. 

 CKUCIFBBAB, p. 177. 



110. 



117. 



Discaria, p. 239. 



*The apparent perianth is really a rint^ of bracts. tNot further described. 



