62 HENRY S. CONARD 



Subfamily 1. Podocarpoideae 



2. Phyllocladoideae 



3. Taxoideae 

 Tribe 1. Cephalotaxeae 



2. Taxeae 

 Genus Torreya 



Taxus 



Class 3. A ngiospermae.— Pollen received upon a stigma of the carpel 

 Subclass 1. Dicotyledoneae 

 Cohort 1. Archichlamydeae 

 Order 1. Casuarinales 



Family 1. Casuarinaceae 

 Order 2. Piperales 

 Family 2. Saururaceae 



3. Chloranthaceae 



4. Piperaceae 



5. Lacistemaceae 



Etc., following Engler. 

 Cohort 2. Metachlamydeae 

 Order 31. Ericales 

 Family 189. Clethraceae 



190. Pirolaceae 



191. Lennoaceae 



192. Ericaceae 

 Etc. 



Subclass 2. Monocotyledoneae 

 Order 41. Pandanales 

 Family 241. Typhaceae 



242. Pandanaceae 



243. Sparganiaceae 

 Order 42. Helobiales 



Family 244. Potamogetonaceae 

 245. Najadaceae, &c. 



There should be general agreement upon the validity and 

 significance of most of the terms of the above table. The claim 

 that this arrangement is the most desirable one, however, may 

 need defence. It will be possible only to suggest some of the 

 general principles of classification to which we suppose all will 

 agree, and to point out some of the facts upon which this 

 arrangement is based. 



A classification should first of all conform to the discovered 

 facts of nature. Our present ideal, as I understand it, is to 

 present in tabular form an epitome of the plant world and its 



