48 



A MANUAL OP THE CONIFERS. 



Henkel and Hochstetter* give the number of existing genera and 

 species according to the following arrangement : — 



Families. 



1. Araucarieaa- 



2. Abietineae - 



Fir and Pine Tribe. 



3. Cunninghamieas 



Sequoia Tribe. 



4. Cupressineas 



Cypress Tribe. 



5. Taxineas 



Yew Tribe. 



In this enumeration, Abies, Cedrus, Larix, and Pinus are reckoned 

 distinct genera ; Cupressus and ChaniBecyparis also distinct, the latter 

 including Eetinospora ; moreover, the Chinese Larch is separated from 

 Larix and counted as a distinct genus under the name of Pseudo-Larix,t 

 and Juniperus drupacea is also reckoned a distinct genus under the 

 name of Arceuthos. 



In De Candolle's Prodr omits, Part xvi., are given descriptions by the 

 late Professor Parlatore, of all the known genera and species in the 

 following arrangement, the species contained under each genus, being 

 numbered consecutively in the order of description. 



Pinus, Abies, Cedrus, and Larix are here reckoned as one ; and 

 Cupressus and Chameecyparis distinct, the latter including Eetinospora. 

 In addition to the above ; partial descriptions are also given of upwards 

 of fifty species belonging to several genera, but which are considered 

 doubtful, 



* Nadelholzer, Einleitung, p. 12. 

 t Following Gordon, Finetum, p. 360. 



