14 ANALYTICAL KEY. 



Pistils (as to ovary) one below but 3-several-lobed or horned at the top PAS* 

 Not fleshy plants: petals unequal, cut or cleft: pod 1-celled, 



many-seeded MIGNONETTE F. 68 



Not fleshy : pod several-celled, several-seeded, 



(Nigella) CROWFOOT F. 34 



Fleshy plants: petals equal, narrow, entire FIG MARIGOLD F. 199 

 Pistil one, completely so as to the ovary, which is 



One-celled, and with one parietal placenta, or otherwise showing 



that the pistil is of a single carpel 

 Shrubs or trees : leaves twice pinnate or else phyllodia : fruit 



apod . . . . (Acacia) PULSE F. 116 



Shrubs or trees : leaves simple : stone fruit (Primus) ROSE F. 141 

 Herbs ; with 1-flowered 1-2-leaved stems : leaves peltate, 



(Podophyllum) BARBERRY F. 49 

 Herbs; with flowers in racemes, &c.: leaves not peltate, 



CROWFOOT F. 34 

 One-celled, with two or more parietal placentae 



Calyx free from the ovary : stamens on the receptacle 

 Leaves punctate with pellucid and dark dots, opposite, 



entire . . . .ST. JOHN'S-WORT F. 81 

 leaves not punctate 



Calyx persistent, of 5 unequal sepals ROCKROSE F. 69 

 Calyx deciduous, of 4 sepals : petals 4, 



(Polanisia) CAPER F. 68 



Calyx falling when the corolla opens or before : 

 petals more numerous than the (mostly 2) 



sepals POPPY F. 64 



Calyx coherent with the ovary 



Fleshy and leafless, often prickly plants CACTUS F. 195 

 Leafy herbs, rough or bristly, the hairs sometimes 



stinging LOASA F. 187 



Two-several-celled, or when 1-celled the ovules not parietal 

 Leaves punctate with both dark and pellucid dots, opposite: 



ovary superior . . .ST. JOHN'S-WORT F. 81 

 Leaves punctate with pellucid dots, not jointed with their 



stalk: ovary inferior .... MYRTLE F. 175 

 Leaves punctate with pellucid dots, alternate, jointed with 



their stalk : ovary superior .... RUE F. 98 

 Leaves not punctate with pellucid dots, and 



All at the root, in the form of pitchers or tubes, 



PITCHER PLANT F. 53 

 All at the root, bearing a flytrap at the end, 



SUNDEW F. 173 



All from prostrate rootstocks or tubers under water, 

 mostly peltate or rounded, equal-sided, 



WATER LILY F. 51 



On the rootstock or tuber, or alternate on stems, unequal- 

 sided, succulent : flowers monoecious BEGONIA F. 193 

 On herbaceous stems, succulent : pod 1-celled, 



PURSLANE F. 79 



On woody stems (trees or shrubs), of ordinary confor- 

 mation 



Stamens on the receptacle, mostly in 5 clusters : calyx 

 valvatein the bud: stipules (often deciduous), 



LINDEN F. 91 

 Stamens in 5 clusters, one on the base of each petal : 



calyx imbricated in the bud : no stipules 

 Ovary superior, 5-celled . CAMELLIA F. 84 

 Ovary partly inferior, becoming one-celled and 



one-seeded .... STORAX F. 277 

 Stamens separate : leaves alternate, mostly with 



stipules PEAR SUBF. 143 



Stamens separate : leaves opposite or some of them 



scattered: no stipules 

 Calyx tube or cup wholly adherent to the 3-5- 



celled ovary . . SAXIFRAGE F. 164 

 Calyx cup extended beyond the free or adherent 



few-many-celled ovary LOOSESTRIFE F. 177 



