XX KE? TO THE ORDERS. 



ARISTOLOCHIACE^E. Calyx 3-lobed, dull purple inside. 



Ovary 6-celled 182 



SANTALACE.E. Low plants with greenish-white flowers in 

 terminal clusters. Calyx-tube prolonged, and 

 forming a neck to the 1-celled nut-like fruit 195 



EL^EAGNACE^E. Shrubs with scurfy leaves. Flowers per- 

 fect or dioecious. Calyx 4-parted, in the fertile 

 flowers apparently adherent to the ovary, and 

 becoming fleshy in fruit 194 



* * * Calyx inferior (plainly free from the ovary). 

 4- Ovaries more than one and separate from each other. 



RANFNCULACE^E. Calyx present, coloured and petal-like. 



Achenes containing several seeds, or only one .... 2 



RTJTACE^E. Prickly shrubs, with compound transparent- 

 dotted leaves, and dioecious flowers 43 



-H 4- Ovary only one, but with more than one cell (except in 

 Glaux). 



CRASSULACE.E. Herbs, in wet places. Pod 5-celled and 



5-horned 78 



PHYTOLACCACE.E. Herbs. Ovary 10-celled and 10-seeded 183 



EUPHORBIACE^E. Herbs. Ovary 3-celled, 3-lobed, pro- 

 truded on a long pedicel. Juice milky 195 



SAPINDACEJE. Trees. Ovary 2-celled and 2-lobed. Fruit 

 two 1-seeded samaras joined together. Flowers 

 polygamous 47 



RHAMNACE.E. Shrubs. Ovary 3-celled and 3-seeded ; 



forming a berry 45 



FICOIDE^E. Prostrate herbs with whorled leaves. Ovary 



3-celled, many-seeded 86 



URTICACE^E. Trees. Leaves simple. Ovary 2-celled, but 

 fruit a 1-seeded samara winged all round. Stig- 

 mas 2 t 198 



EMPETRACE.E. Low shrubby evergreens with heath-like 



leaves , 213 



Glaux, in 



PRIMULACE^E. Herbs. Ovary 1-celled, the placenta cen- 

 tral 145 



4- 4- 4- Ovary only one, 1-celled and 1-seeded. 



POLYGON ACEJE. Herbs. Stipules sheathing the stem at 



the nodes 188 



