350 



MOXOCHLA:\rYDE^. 



ft Ociih solitary (or rarely 2). Fruit indehiscenf. Leaves with stipules. 



72. P0LYGONACE.1S. Stipules forming a sheath round the stem or 



branch. 

 [27. RosACE.E. § Sanguisorbid.e. Stipules cohering 'svith the petiole. 

 34. PARONYcniACE.E. Stipulcs free, scariose, permanent. Flowers 



perfect.] 

 80. UimcACE.^. Stipules free, membranaceous, usually deciduous^ 



Flowers all or some imperfect. 



f ft Ovule solitary. Fruit indehiscent or bursting transversely. Leaves 



without stipides. 



79. CERATOPIIYLLACE.E. Perianth 0. Involucre 10— 12-cleft. Embryo 

 straight. Floating plants. 



70. Cfienofodiace^. Perianth 3— 5-cleft and herbaceous, or mibedded 



in the rachis and fleshy. Stamens nearly hypogynous. Fruit au 

 indehiscent utriculus. Embryo curved. Terrestrial plants. 

 69. Amauantiiace.e. Perianth 3-partite (nearly scariose), Avith ex- 

 ternal bracteas. Stamens hypogynous. Fruit opening transversely 

 ■ near the base. Terrestrial herbaceous plants. 



71. SclekanthacezE. Perianth tubular, persistent, at length dry and 



hardened. Stam. perigvnous. Styles 2. Einbryo annular. Herbs. 

 82. EL.EAGXACE.E. Perianth of the fruit tubular, persistent, at length 

 succulent. Style 1. Embryo straight. Leaves Avith shinin- 

 scales beneath. Shrubs. 



73. Thymelace.e. Perianth tubular, deciduous. Stamens perigynous. 



Style 1. Embryo straight. Bark tough. Shrubs. 



*** Ovary superior, solitary, with 2 or more cells. 



+ Fruit 4,-lohed and separating into 4 achenes, or capsidar, never samaroid, 



[52. 1M0N0T110PACE.E. Flowers perfect. Cal. 5-sepaled. Stam. 10, hy- 

 pogynous. Style 1, entire. Seeds many in each cell. 



SO, Lythrace^. Flowers perfect. Cal. campanulatc, toothed. Stam. 

 G, perigynous. Style 1, entire. Seeds many in each cell.] 



78. Callitrichace^e. Perianth 0. Styles 2. Fruit of 4 indehiscent 



1 -seeded carpels united at the axis arid at length separating. 



77. EunioKBiACE^E. Flowers imperfect. Styles 2 — 3. Fruit capsular. 



g 



76. 



[54. 



81. 



[25. 



ft Fridt indehiscent, 



■ * 



E:\tPETRACE.E. Flowers imperfect. Perianth of 2 or more rows of 

 imbricated scales. Stam. about 3. Fruit fleshy. Leaves heath- 

 like, 



Oleace^. Perianth 4-cleft or none. Stam 2. Style 1. Fruit 



samaroid. Leaves opposite, Avithout stipules.] 



Ulimace^e, Perianth about 5-cleft. Stam. 5 or more. Fruit sa- 

 maroid. Leaves flat, alternate, with stipules. 



Ehamnace^e. Perianth 4 — 5-cleft. Stam. 4 — 5. Fruit fleshy. 

 Leaves flat. ] 



**** 



Ovary inferior, its cells many-seeded. 



[37. 

 28. 



75. 



Saxifragace.^. Stam. 8—10. Styles 2. Ovary imperfectly 2- 

 celled. 



Onagrace^. Stam. 4. Style 1, filiform : Stigma capitate. Ovary 

 4-celled.] 



Aristolochiace.i^. Stam. G~12. Style short: Stigma rayed. 

 Ovary 3- or 6-celled. . 



*'■ Seed' 

 Shrill 



*" style 



Fruit 

 1 C0.MPO! 

 ' surroi 



mf' 



\ 



i Coxife: 

 ing th 

 ovarie 



L Ilmrs 



* 







