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VJli .-.KQUKlJ^CE OF OliPERS WITH PT^IEF rHAL'ACTKKS. 



CXXII. ULMACEiE (piige 51 G). Flmn-rs hcrmaplu\.dite or 



unisexual. Terianili 4-5-merous. Stamens as many as the perianth- 

 lobes and opposite to them or more ; tiLuneuts not inflexed. Oi'iiJc 

 pendulous. Frnit fleshy ^vith hard endocarp (in the Soutli African 

 genera). Leaves alternate. Style 2-pariite. {Ttpcs or shruhs,) 



CXXII A. MOKACEiE (page 522). Flotcers unisexual in 

 spikes or globose heads or enclosed within a globose or pear-shaped 

 receptacle or^ seated upon or imraerscd in a flattened receptacle. 

 Perianth 4-6-lobcd. Filaments inflexed or erect in bud. Omry 

 1-celled ; ovule solitary, pendulous ; styles , 2 or 1. Fruit of 

 achenes. 



CXXII B. XJRTICACE^ (page 541). Fhamrs monoecious 

 or dii)eeious. Perianth 2-5-lobed or partite or u?-ceo1ate or tubular 

 or bi'act-likej sometin^es absent from female flowers. Stamens 1-5 ; 

 filaments inilexed in bud. Ocary 1-celled ; ovule solitary, erect ; 

 style solitary. Fruit an achene or fleshy. 



CXXIII. ^lYIUCACE^ (page 561). Flowers unisexual, in 

 spikes, without perianth. Stamens 2 to many ; fllainents short, more 

 or less connate; anthers erect. Ovary 1-celiedj ovule solitary, 

 erect. Fruit a drupe. Seed without albumen. (Trees or shrnhs^ 

 frequently aromatie.) 



CXXIV. BETULACE^ (page 573). Flowers monoecious, 

 in catkins or budlike heads. Perianth 4- or fewer-lobed, some- 

 times none. Stamens 2-12; filaments free, often split; anthers 

 erect. 0^?«ry inferior, 2-celled ; styles 2 ; ovules solitary, pendulous^ 

 Fruit a nutlet, [Trees or shtuls.) 



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Series viii. OnniNEs Anomali. Orders nearest allied to those 

 of series vii. UnisexualeSj but not sufiieiently closely so as to be 

 joined to any one of them, 



CXXV. SALICINE^ (page 574). Flotrers dioecious, in cat- 

 kins or racemes. Perianth 0. Stamens 2 Lo maiiy j filaments free 

 connate or. Ovary 1-celled ; placentas 2-4 parietiil ; ovules 2-many. 

 Capynle 2-4-valved, Seeds exalbuminous, with silky hairs. (Trees 

 or shrubs,) 



CXXV A. CEKATOniYLLE^ (page 580). Floiceis uni- 

 sexual, axillary. Perianth multipartite. Stamens many. Ovary 

 1-eelIed, 1-ovuled. Fruit a nutlet. Seed pendulous, exalbuininous. 

 {Suhmeryed aquatic herb.) 



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