Xll CONTENTS. 



Page 



Orders determined by the pistils . . 150 



Plants do not always conform to this system . .160 

 The system too natural ! ! ! . . ib. 



Character of Linnaeus . . . . ib. 



First Linncean Lesson . . . ] 60 



Questions upon flowers , . 16 1 



The twenty-four Linrircan classes . . . ib. 



Second Linncean Lesson . . . 162 



Plants with apparent and with non- apparent flowers . ib. 



1 . Flowers with definite and equal stamens . . t b . 



2. Flowers with indefinite stamens . . .166 



3. Flowers with two of the stamens shorter . . 167 



4. Flowers with stamens united by their filaments . 168 



5. Flowers with stamens united by their anthers . 169 



6. Flowers with stamens and pistils united . . .170 



7. Flowers of only one sex . . .171 



8. No flowers apparent on the plant . . . 172 

 This system extensively injurious . . . ib. 

 Easier to understand than to apply . ib. 

 Instance from red valerian .... ib. 

 Withal, this system superior to all others . ib. 



CLASSIFICATION OP JUSSIEU, ALLEGED TO BE THE NATU- 

 RAL SYSTEM ..... 173 



Jussieu fixed upon the seed . . ib. 



Chief employment of modern Botanists . . ib. 



Sorting the characteristics of seeds cannot be science . ib. 



Logical exercise of the mind . . . 174 



First Lesson on Jussieu's System 



Plants classed by their seeds or by their structure . . ib. 



De Candolle's classes . . . " .175 



Second Lesson on Jussieu's System . . . ib. 



Plants without seed-lobes or sap and pulp vessels . ib. 



Seeds with one seed-lobe . . . . 176 



Seeds with two or more seed-lobes . . .177 



1. Flowers without petals . . ib. 



2. Flowers with one-petaled blossoms . .178 



3. Flowers with many petaled blossoms . 179 



4. Flowers with the stamens and pistils in separate 



blossoms . . . . .180 



OBJECTIONS TO THE NATURAL SYSTEM 



Its alleged character . . . .181 



Its true character incongruous and unnatural groupings 182 



Instances given from Professor Lindley . . . ib. 



Wholesome and poisonous plants . . . ib. 



Inert and actively medicinal plants . 183 



Dangerous principles of the Natural System . .184 



The days of mystery and nonsense nearly over . . ib. 



Classing and naming of plants . . . ib. 



