X CONTEXTS 



VINE VITACE^E 196 



SOAP BERRY ACERACE^ 198 



PEA LEGUMINOSE.E 199 



ROSE ROSACES 204 



SAXIFRAGE SAXIFRAGACE^; 211 



GOURD CUCURBITACE^E 211 



PARSLEY UMBELLIFER*: 215 



MADDER RUBIACE^E 215 



SUNFLOWER COMPOSITE 216 



HEATH VACCINIACE^E 217 



CONVOLVULUS CONVOLVULACE^E 218 



NIGHTSHADE SOLANACE^E 219 



GOOSEFOOT CHENOPODIACE.E , 221 



BUCKWHEAT POLYGON ACE^E 222 



NETTLE URTICACE.E 223 



WALNUT JUGLANDACE^E 225 



OAK CupuLiFERuE 226 



WILLOW SALICACE^E 227 



BANANA ZINGIBREACE.E 227 



LILY LILIACE.E 228 



GRASS GRAMINE^E 228 



XXII. SPECIAL EXERCISES WITH PLANT FAMILIES 234 



APPENDIX REFERENCES.... . 243 



