KEY TO CULTIVATED HERBS AND POTTED SHRUBS 



)6 a When broken plants exude a colored sap 197 



b When broken plants do not exude a colored sap 200 



>7 a Leaves with spiny teeth Argemone. p 755 



b Leaves not with spiny teeth 198 



>8 a Plants with a white sap Papaver. p 155 



b Plants with a reddish or yellow sap 199 



)9 a Flowers 1-2 in. broad, yellow Glaucium. p 155 



b Flowers about ^4 in. broad, whitish or rose-colored 



B occonia. p 755 



K> a Sepals petal-like or else wanting when flowers are open 201 



b Calyx present, green, not petal-like 206 



>i a Petals 5, small, tubular Helleborus. p 152 



b Petals wanting or not as in a 202 



>2 a Flowers subtended by an involucre of divided bracts 



Nigella. p 154 



b Flowers not subtended by divided bracts 203 



33 a Leaves finely dissected into linear or oblong segments. . 204 



b Leaves not finely dissected as in a 205 



>4 a Petals 4 ; pistil i Eschscholtzia. p 755 



b Petals 5 or more; pistils numerous Adonis, p 154. 



>5 a Flowers globose, yellow to orange, sometimes red ; leaves 



palmately 5-parted Trollius. p 152 



b Plants not completely as in a Anemone, p 152 



)6 a Corolla more or less tubular 207 



b Corolla with distinct petals 210 



37 a Leaves all basal Primula, p 797 



b Leaves not all basal 208 



38 a Leaves lobed, not pinnately divided Physalodes. p 210 



b Leaves pinnately divided or compound 209 



39 a Leaves pinnately divided into linear segments . Gilia. p 202 

 b Leaves pinnately divided into 5-21 ovate or lanceolate 



leaflets Polemonium. p 202 



10 a Leaves compound, composed of distinct leaflets 211 



b Leaves lobed, not compound 215 



11 a Leaves doubly compound 212 



b Leaves singly compound 213 



12 a Flowers 2 in. or more broad Paeonia. p 152 



b Flowers % in. or less broad, numerous Astilbe. p 161 



13 a Leaves palmately compound, of 3-7 leaflets. .Cleome. p 160 

 b Leaves pinnately compound 214 



ij. a Flowers red mixed with yellow Geum chiloense. p 165 



b Flowers white or yellowish Ulmaria. p 166 



15 a Flowers yellow, double; sepals 5, distinct. Ranunculus, p 153 

 b Flowers not completely as in a 216 



16 a Flowers less than % in. broad; petals 6 Reseda, p 160 



b Flowers usually i in. or more broad 217 



93 



