14 INTERNATIONAL RULES FOR BOTANICAL NOMENCLATURE 
RECOMMENDATIONS. 
XXV. Authors’ names put after names of plants are abbreviated, 
unless they are very 
or this purpose preliminary oo = hare that do not, 
strictly speaking, form part of the name, — “ the 
rst lett i If a of one 
=o 
i3) 
5 
mm 
2 
a] 
tae) 
BR. 
Es 
_ 
3.8 
ef 
=o 
3 
= 
er 
o 
5 
ba} 
° 
B 
-_ 
m™ 
es 
two or more syllables, the first syllable and the ‘arst letter of the 
give more of a name to avoid confusion between names beginning 
with the same syitnbleg, the same system is to be followed. For 
instance, two syllables are given together with the one or two first 
consonants of the third; or one of the last characteristic consonants 
of the name is added ‘(Bertol. for Bertoloni, to distinguish from 
— Michx. for Michaux, to distinguish from Micheli). Chris- 
an names, or accessory designations, serving to distinguish two 
ists of the same name, are abridged in the same way (Adr. 
Juss. for Adrien de Jussieu, Gaertn. fil., or Gaertn. f., for 
Gaertner filiu 
en it is a ell: established ania Ae abridge a name in 
r manner, it is best to conform to it (L. for Linneus, DC. 
for. De Candolle, St.-Hil, for Saint- Hilaire). 
publications destined for the general public and in titles it is 
preferable not to abridge. 
aE 6. On Names THaT aRE TO BE RETAINED WHEN a GROUP 
S$ DIVIDED, REMODELLED, TRANSFERRED, MOVED FROM ONE 
ae TO ANOTHER, OR WHEN Two aig OF THE SAME Rank 
ARE UNITED. 
Article 44, change of characters, or a revision which 
involves the baler rea of certain elements of @ group or the addition 
of new elements, does not warrant a chan ange in the name or names 
of a group, except in cases provided for in Article 51. 
mples. The genus Myosotis as revised by R. Brown diffe 
from the — genus of Linneus, but the name has not been 
changed, S any change iaagegien Various authors have 
united with “Ce icine Jacea L. one or two species which Linneus 
Centaurea Jacea L. (sensu ampl.), or Centaurea Jacea Ly, (em. 
isiani, em. Godron, &¢.); the ereation of a new name, such as 
Centaurea vulgaris Godr., i is superfluo 
Article 45. Whena genus is ets into two or more genera, 
the name must be kept and given to one of the principal divisions. 
If the genus contains a section or some other division, which, 
