6 INTERNATIONAL RULES FOR BOTANICAL NOMENCLATURE 
(0) Not to use again a name seo has already been used, and 
has lapsed isles synonymy (homo : 
(c) edicate genera a oe s who are in all respects 
scangers “8 botany or at least to eedial science, nor to persons 
ug ae of civilized countries 
(e) To recall, if possible, by the ena or ending of the name, 
the reas r the analogies of the gen 
(f) To void adjectives wag as nou 
(9) Not t give a genus a name whi a: form is teens that of a 
Set or stl (e.g. Husideroaylon, a ven to a genus 
of Lauraceae, which, however, being valid, cannot 3 changed). 
(h) Not to make names by the combination of two languages 
(nomina hybrida). 
VI. Botanists constructing names for subgenera or sections 
will do well to atten to the preceding recommendations, and also 
to the followin 
(a) Give, Se A sage to ho principal division of a genus, 4 
name which, by so fies n or addition, calls the genus to 
d (for sick se: "Bu ‘plat oe beginning of the name, when 
i igi at the end of the name, when 
Latin, or any other moditiention consistent with the grammar and 
usages of the Latin language 
(b) Avoid calling a subgenus or a section ~ the name of the 
genus to which it belongs, with the final -otdes or -opsis ; the 
contrary, reserve this ending for a section which saacin bla another 
genus, by adding in that case -oides or -opsis to the name of that 
other genus, if it is of Greek origin, to form the name of the 
° 
Bb 
(c) ‘Avoid taking as the name of a subgenus or section a name 
which is already in use oll suc in another genus, or which is the 
name of an admitted genu 
VII. When it is saan to express a subgeneric or al 
name, together with the en of the genus — the name of the 
species, the name of the section is put between the others in a 
parenthesis—e, g. pobeuhs \(Cyeloglortis) ITAL 
§ 4. Names of Species and of Subdivisions of Species. 
le 26. All species, even those that —- constitute a 
genus, are designated by the name of the us to which they 
belong, followed by a name Pes epithet) ened pecans usually of 
e nature of an adjective (forming a combination of two names, a 
binomial or binary na me). 
Examples : Dianthus monspessulanus, Papaver Rheas, Fumaria 
ussonet, Uromyces F. abe, Geranium Robertianum, Embelia Sarast- 
norum, Adiantum Capillus-Veneris. Linnzeus has sometimes intro- 
duced symbols in specific names. These must, — to 
