38 Rhodora [Marcu 
Recommendations. 
IV. When the name of a genus, subgenus or section is taken from the name 
of a person, it is formed in the following manner: 
a) When the name ends in a vowel, the letter a is added (for example 
Glazioua after Glaziou; Bureaua after Bureau), except when the name already 
ends in a, in which case ea is added (e. g. Collaea after Colla). 
b) When the name ends in a consonant, the letters ia are added (thus 
Magnusia after Magnus; Ramondia after Ramond), except when the name 
ends in er, in which case a is added (e. g. Kernera after Kerner). 
c) The spelling of the syllables unaffected by these finals is retained, even 
with the consonants k and w or with groupings of vowels which were not 
used in classic latin. Letters which are unknown to botanical latin must be 
transcribed, diacritic signs are suppressed. The german 4, 6, ii become ae, 
oe, ue, the French é, è and ê become generally e. 
d) Names may be accompanied by a prefix, or a suffix, or modified b 
anagram or abbreviation. In these cases they count as different words 
from the original name. E. g. Durvillea and Urvillea, Lapeyrousea and Pey- 
rousea, Englera, Englerastrum and Englerella, Bouchea and Ubochea, Gerardia 
and Graderia, Martia and Martiusia. 
V. Botanists who are publishing generic names show judgment and taste 
by attending to the following recommendations: 
a) Not to make names very long or difficult to pronounce. 
b) Not to use again a name which has already been used and has lapsed 
into synonymy (homonym). 
c) Not to dedicate genera to persons who are in all respects strangers to 
botany, or at least to natural science, nor to persons quite unknown. 
d) Not to take names from barbarous tongues, unless those names are 
frequently quoted in books of travel, and have an agreeable form that is 
readily adapted to the latin tongue and to the tongues of civilized countries. 
€) To recall, if possible, by the formation or ending of the name, the affini- 
ties or the analogies of the genus. 
f) To avoid adjectives used as nouns. 
g) Not to give a genus a name whose form is rather that of a subgenus or 
section (e. g. Husideroxylon, a name given to a genus of Lauraceae, which, 
however, being valid, cannot be 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 attend to the preceding recommendations and also to the following: 
a) Give, where possible, to the principal division of a genus, a name which, 
by some modification or addition, calls the genus to mind (for instance, Eu 
db: at the beginning of the name, when it is of greek origin; -astrum, -ella 
at the end of the name, when latin, or any other modification consistent 
with the grammar and usages of the latin language). 
b) Avoid calling a subgenus or a section by the name of the genus to which 
it belongs, with the final -oides or -opsis; on the contrary reserve this ending 
for a section which resembles 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 section. 
c) Avoid taking as the name of a subgenus or section à name which is 
already in use as such in another genus, or which is the name of an admitted 
genus. 
VII. When it is required to express a subgeneric or sectional name to- 
gether with the name of the genus and the name of the species, the name of 
the section is put between the others in a parenthesis. E. g. Astragalus 
(Cycloglottis) contortuplicatus. 
