NEW PUBLICATIOXS. 109 



VI. Thallogens^ grow into a flat expansion, as seaweed, lich 



IS, &c. 



The clearness and beauty of this natural system, thus dependent 

 on structure and growth, command universal approbation. So far 

 there is little improvement to be expected or desired. 



Class I. Exogens, then divided into subclasses, depending 

 upon the corol — as 



Sub-class 1. Polypetalous, p. 13, 2. MonopetalouSy p. 168, 

 and 3. ApetalouSj p. 314. This constitutes the arrangement, more 

 nearly approaching nature than any other yet proposed. Under 

 these divisions are arranged the several Orders of the Exogens, 

 lin their improved form and description, and the genera and species 

 lead to the desired result. It thus is evident that this work is 

 anique in our country; unlike any other ; superior in its applica- 

 tion to any other ; and giving the student advantages possessed by 

 no other. It has deserved popularity where it has been examined 

 lind used. It elevates Botany as a study, as well as a science. It 

 :annot fail of exerting a happy influence on the mind. C. D, 



Rochester, June 14, 1845. 



Traxsactions of New-York State Agricultural Society, together with an 

 abstract of the Proceedings of the County Agricultural Societies, 1841-2-3-4. 



The current age is a remarkable one, if for nothing else, from 

 the fact that every thing of a public nature is done through large 

 organizations. Whether in morals, benevolence, politics or sci- 

 ?nce, all is done by conventions or societies. The people of the 

 present day are unmovable, individually, and we are inclined to 

 the belief, that, were it not for the movements of masses organized 

 and combined, such would be the apathy of men, that they would 

 kink back into a solitary, selfish misanthropy. Great impulses are 

 iiecessary to set the wheels in motion, and when started, the steam 

 nust be kept up almost to the bursting point, or the huge car of 

 pociety begins to retrogade towards utter inactivity. 

 We have sometimes felt disposed to find fault with such a state 



)f things, and look upon it as furnishing evidence of a sort of 

 jiegative tendency to dissolution. But when we remember that 



he world has long been, and is still becoming more and more 



