On the recent progress and present state of systematic botany / 
G. Bentham. 
<br/><br/> Reprinted from: American journal of science and arts vol. 9, 1875, pp. 288-294.  Extract from report made to the British Association for the Advancement of Science 1874. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plants--Classification.