xlvi 



205a. Leaf-segments linear or oblong, irregular 



HYDROPHYLLACEAE, p. 93. 

 205b. Leaves truly compound with separate leaflets 



la, in POLEMONIACEAE, p. 92. 



206a. Flowers greenish-yellow SOLANACEAE, p. 100. 



206b. Flowers blue, violet, white, or intermediate tints 



CAMPA1VULACEAE, p. 112 



207a. Leaves simple ERICACEAE, p. 84. 



207b. Leaves compound OXALIDACEAE, p. 64. 



208 



208a. Petals 4 209. 

 208b. Petals 5 212. 

 208c. Petals 6 or more 227. 



209a. Stamens 4 or 210. 



209b. Stamens 6, 4 long and 2 short CRUCIFERAE, p. 42. 



209c. Stamens 9 or more CAPPARIDACEAE, p. 47. 



210a. Leaves compound ROSACEAE, p. 51. 



210b. Leaves simple 211. 



211a. Ovary 1, inferior, appearing as a swelling below the calyx 



ONAGRACEAE, p. 78. 

 211b. Ovaries 4 or 5, in the center of the flower 



CRASSULACEAE, p. 48. 



212a. Stamens with good anthers 5 213. 



212b. Stamens 6 to 10 217. 



212c. Stamens more than 10 222. 



213a. Flowers solitary, terminating the stem 



12b, iir SAXIFRAGACEAE, p. 50. 



213b. Flowers axillary, solitary or in small clusters 214. 

 213c. Flowers several, in loose irregular terminal clusters; leaves 

 simple LINACEAE, p. 63. 



213d. Flowers in slender spike-like racemes; leaves compound 



50b, in ROSACEAE, p. 55. 



213e. Flowers in panicles 20a, in SAXIFRAGACEAE, p. 50. 



213f. Flowers in umbels 216. 



214a. Leaves compound 25b, in LEGUMINOSAE, p. 60. 



214b. Leaves simple 215. 



215a. Flowers blue or yellow, erect or spreading LINACEAE, p. 63. 

 215b. Flowers greenish, nodding la, in YIOLACEAE, p. 75. 



216a. Flowers pink or purple GERANIACEAE, p. 64. 



216b. Flowers yellow or white UMBELLIFERAE, p. 80. 



