D1COTYLEDOWES. lv 



59. Verbenacea. Cor. scarcely 2-lipped (in our plant). 

 Stam. didynanious. Ovary 2 4-celled. Style terminal. 



Fr. a capsule dividing into 4 nuts 337 



60. Lentibulariacece. Cor. 2-lipped. Stam. 2. Caps. 

 1-celled, 2-valved ; placenta free, central ; seeds many. 

 Floating plants 337 



61. Primulacecz. Cor. regular. Stam. 5, rarely 4 or 7, 

 opposite the petals. Caps, opening by 5 10 valves at 

 the top, or by a deciduous cap ; placenta central ; seeds 

 many. Style 1 339 



62. Plumbayinacea. Cor. regular, 5-fid, or rarely 5 

 free petals. Stam. 5, opposite the petals. Fr. a 1-seeded 

 utricle. Styles 5 344 



**** Cor. and stam. hypogynous. 



63. Plantaginacece (in part) . The genus Littorella with 

 monoecious fl., fem.-cal. 3-parted, cor. urceolate 347 



Division 4. MONOCHLAMYDEJE. 



64. AmarantliacecB. Monoecious. Perianth 3 5-parted, 

 scarious, persistent, inferior. Stam. opposite perianth- 

 segments. Caps. 1-seeded, not bursting. Style ; stig. 



1 or more 349 



65. Chenopodiacea. Monoecious or perfect. Perianth 

 3 5-parted, herbaceous, persistent, inferior. Stam. op- 

 posite perianth-segments. Caps. 1-seeded, not bursting. 

 Styles 2 or more 349 



66. Polygonacece. Usually with perfect flowers. Peri- 

 anth 3 (3-parted, herbaceous, or petal-like, inferior. 

 Stam. 5 8, perigynous or hypogynous, opposite perianth- 

 segments. Caps. 1-seeded, not bursting. Styles several. 

 Nut often enclosed in enlarged perianth. Stipules 

 ocreae 356 



67. Elceagnacece. Dioecious. Male perianth 4-parted, 

 female tubular with 2 5-toothed limb. Stam. alternate 

 with perianth-segments, or twice as many, perigynous. 

 Caps, crustaceous enclosed in persistent inferior perianth. 

 Shrub 364 



68. Thymelacece. Perianth tubular, 4 5-lobed, inferior. 

 Stam. 8 in our plant, on the tube. Ovary 1-celled, with 



1 pendulous ovule. Fr. a nut or drupe. Small shrubs . . 364 



