LAWS OF NOMENCLATURE. 29 



that have given birth to them, the same rules being 

 observed as in the case of hybrids. 



Art. 40. Seedlings, half-breeds of uncertain origin, 

 and sports should receive from horticulturists fancy 

 names in common language, as distinct as possible from 

 the Latin names of species or varieties. When they 

 can be traced back to a botanical species, subspecies, 

 or variety, this is indicated by a succession of names 

 {Pelargonium sonale, Mrs. Pollock). 



Section 3. 



On the Publication of Naines, and on the Date of each Name 

 or Combination of Names. 



Art. 41. The date of a name or of a combination 

 of names is that of its actual and irrevocable publica- 

 tion. 



Art. 42. Publication consists in the sale or the 

 distribution among the public of printed matter, plates, 

 or autographs. It consists, likewise, in the sale or 

 the distribution, among the leading public collections, 

 of numbered specimens, accompanied by printed or 

 autograph tickets, bearing the date of the sale or 

 distribution. 



Art. 43. The communication of new names in a 

 public meeting, and the placing of names in collections 

 or in gardens open to the public, do not constitute 

 publication. 



Art. 44. The date put to a work is presumed to be 

 correct, till there is evidence to the contrary. 



Art. 45. A species is not looked upon as named 

 unless it has a generic name as well as a specific one. 



Art. 46. A species announced in a work under 

 generic and specific names, but without any inforraa- 



