iv GENERAL KEY. 



Ovary and pod 1-celled, many-seeded; seeds furnished with a downy 



tuft at one end SALICALBS 114 



Ovary 1-2-celled, only one ovule in each cell; fruit 1-seeded. 



Parasitic on trees Loranthaceae in SANTALALES 12T 



Trees or shrubs, not parasitic. 



Calyx regular, in the fertile flowers succulent in fruit. 



TJETICALES 124 

 Calyx none, or rudimentary and scale-like. 



Fertile flowers 2 or 3 at each scale of the catkin. 



FAGALES 119 

 Fertile flowers single under each scale; nutlets naked, 

 waxy-coated or drupe-like MYRICALES 118 



PETALS PRESENT. 



A. Stamens numerous, at least more than 10, and more than twice the 

 sepals or lobes of the calyx. 

 1. Ovary superior, i. e., calyx entirely free and separate from the 

 pistil or pistils. 



Pistils numerous but cohering over each other in a solid mass on an 



elongated receptacle Magnoliaceae in BANALES 143 



Pistils numerous, separate, but concealed in a hollow receptacle. 

 Leaves opposite, entire, no stipules. 



Caltcanthaceae in EANALES 143 



Leaves alternate, with stipules Bosa in BOSALES 178 



Pistils several, immersed in hollows of the upper surface of a large 



top-shaped receptacle Nelumbo in BANALES 145 



Pistils more than one, separate, not enclosed in the receptacle. 



Stamens distinct, inserted on the calyx. .Bosaceae in BOSALES 167 



Stamens inserted on the receptacle BANALES 143 



Pistils several-lobed ; the ovaries united below the middle. 



Eesedaceae in PAPAVERALES 154 

 Pistil one as to ovary; the styles or stigmas may be several. 

 Leaves punctate with transparent dots. 



Htpeeicaceae in PAEIETALES 222 

 Leaves not punctate with transparent dots. 



Ovary simple, 1-celled, 2-ovuled. . . .Drupaceae in BOSALES 167 

 Ovary simple, 1-celled, with 1 parietal many-ovuled placenta. 



EANALES 143 

 Ovary compound, 1-celled, with a central placenta. 



Portulacaoeae in CHENOPODIALES 132 

 Ovary compound, 1-celled, with 2 or more parietal placentas. 



Calyx deciduous PAPAVEBALES 154 



Calyx persistent, of 3-5 sepals. 



Cistaceae in PAEIETALES 222 

 Ovary compound, several-celled. 



Calyx valvate in the bud MALVALES 220 



Calyx imbricated in the bud, persistent. 



Shrubs, stamens on the base of the petals. 



Theaceae in PAEIETALES 222 

 Aquatic or marsh herbs; ovaries many. 

 On 5 placentae in the axis. 



Sarraceniaoeae in SABEACENIALES 16ft 

 On the 8-30 partitions. 



Ntmphaeaceae in EANALES 143 



2. Ovary more or less inferior, i. e., calyx more or less coherent with 

 the surface of the compound ovary. 



Ovary 8-30-celled; ovules many, on the partitions; aquatic. 



NTMPHAEAOEAE TW RAlVJAT.Tiia 1i9 



