Campbell, Douglas Houghton,    1859-1953. <br/><br/>
The structure and development of the mosses and ferns (Archegoniatae ) /    
Douglas Houghton Campbell. 
 - London :   Macmillan,   1895. 
 - viii, 544 p. :    ill. ;    23 cm. 
<br/><br/>Includes bibliographiocal references (p. 521-534.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany --Morphology.------<br/>Mosses.--Morphology.------<br/>Ferns.--Morphology.------
<br/><br/><label>Dewey Class. No.: </label>586