LXIX. AMARANTIIACEJE. 



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Ovary inferior, its cells 1-seeded, 



[29, 



74. 



I-Ialoragace.t;. Limb of pistillate perianth minute. Stam. 1—8. 

 Style or styles filiform, villous. Leaves verticillate. Aquatic 



plants.] 



Santalace^k. Limb of perianth corispicuous. Stam. 4—5. Style 

 glabrous. Leaves alternate. Eoot woody. 



B. 



Barren flowers in catkins; or fruit surrounded hij a hardened or prickhj 



involucre. Ovules and seeds within a closed pericarp. Style or Stigma 

 present. 



85. 



8G. 

 84. 



8 



3. 



82 



[4G 



Saucace.e. Ovary superior, 1 -celled, many-ovuled. Fruit 2-valved, 

 Seeds numerous, comose. Woody plants. 



CuPULTFER.p.. Ovary inferior, with 2 or more cells, Fruit inde- 

 hiscent, 1 — 3-seeded. Trees or shrubs. 



BETULACE.-E. Ovary superior, 2-celled. Ovules solitary, pendulous. 

 Fruit indehiscent, membranous. Trees or shrubs. 



Mykicace.e. Ovary superior, 1 -celled. Ovule 1, erect or as- 

 cending. Styles 2. Perianth 0. Fruit indehiscent, drupaceous. 

 Shrubs. 



El/EAgnace^. Ovary superior, 1-celled. Ovule 1, ascending. 

 Style 1. Perianth of pistillate flowers tubular, at length succulent. 

 Fruit indehiscent. Shrubs. 



CoMrusiT.E (Genus 47.). Fruit indehiscent. Pistillate flowers 

 surrounded by a prickly involucre. Plants herbaceous.] 



C. Barren flowers in catkins. Fruit in cones; or the seed surrounded ly a 

 fleshy involucre Ovules and seeds not contained within a closed peri- 

 carp. Style and Stigma 0. 



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87. C0NIFER.E. Scales of barr. catkins (monadelphous filaments) bear- 

 ing the anther-cells on the under-side, those of the cones (open 

 ovaries) bearing the ovules on the upper surface. 



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I. Flowers usually perfect, i. e. each ivith stamens and pistil 



(Ord. LXIX.— LXXV.) 



Ovary superior or nearly so. (Ord. LXIX.— LXXIII.) 



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Ord. LXIX. AMARANTHACE^ Juss. 



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Sometimes monoecious. Perianth 3~5-leaved, usually Tvlth 

 small bracteas at the base. Stamens 3—5, hypogynous, some- 

 times monadelpbous, opposite to the segments of the perianth. 

 Anthers often 1-celled. Ovary 1, 1— 2-celled, with 1 or several 

 ovules, iityles 1 or 0. Stigma simple or compound. Capsule 

 membranaceous, 1-celled. Seeds attached to a free central 

 puxcenta, often stalked. Embryo curved round a farinaceous 

 awimen.—Uevhs, rarely shrubs. Stems not Jointed. Leavea 



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