28 LAWS OF NOMENCLATURE. 



(7.) Name no species after any one who has neither 

 discovered, nor described, nor figured, nor studied it in 

 any way. 



(8.) Avoid specific names composed of two words. 



(9.) Avoid specific names having, etymologically, the 

 same meaning as the generic name. 



Art. 37. Hybrids whose origin has been experi- 

 mentally demonstrated are designated by the generic 

 name, to which is added a combination of the specific 

 names of the two species from which they are derived, 

 the name of the species that has supplied the pollen 

 being placed first with the final i or o, and that of the 

 species that has supplied the ovulum comiag next, 

 with a hyphen between {Amaryllis vittato-regincB^ for 

 the Amaryllis proceeding from A. reginee, fertilized 

 by A. vittata). 



Hybrids of doubtful origin are named in the same 

 manner as species. They are distiaguished by the 

 absence of a number, and by the sign X being pre- 

 fixed to the generic name (X Salix capreola, Kern.). 



Art. 38. Names of subspecies and varieties are 

 formed in the same way as specific names, and are 

 added to them according to relative value, beginning 

 by those of the highest rank. Half-breeds {mules of 

 florists) of doubtful origin are named and ranked in 

 the same manner. 



Subvarieties, variations, and subvariations of un- 

 cultivated plants may receive names analogous to the 

 foregoing, or merely numbers or letters, for facilitating 

 their arrangement. 



Art. 39. Half-breeds (wwfes of florists) of undoubted 

 origia are designated by a combination of the two 

 names of the subspecies, varieties, subvarieties, etc.. 



