82 BOTANICAL NOMENCLATURE. 
M. seidelii, M. seitziana,” and so on, offend the sight of tho 
doctiatomed to pote methods, and can win no adhe art to sdb 
a system. I ds one very forcibly of the two Australian 
rascals, ‘ ‘diebhintegthelse with a little m, and brutus with a little 
b,” sketched by Mr. Charles Reade in his novel, ‘It is Never too 
Late to Mend.’ These examples a me that Haworth’s genus 
should be written Mammillaria (Pl. Sue 177). Reichenbach in 
1827 seems to have led the pid in stant it, and Bentham 
‘and sera o so in the ‘Genera 
wor ehaivte Morsus. 
Pythiwm De Baryanum is too monstrous to pass in that form. 
ebaryanum or Baryanum if you please; either combine the pre- 
position with the following noun or discard it, as in Vanheurckia, 
réb., or Cand ndollea, Lab. 
The last item in my present communication is on the ill- 
advised abbreviations used by certain writers from whom one 
thi 
DC. being too well known for any possible mistake, and consecrated 
by long babiade, me akg combinations of initials also should 
be eschewed ongs do not make a right, and if one cannot 
support each other. §. & M. for Se and Mauri, M. . K 
for Merten ns and Koch, O. & H. for Oliv r and Hicth, and K 4 
tion. H. & T. has fr requently been used for Hooker and ei 8 
‘ Muscologia Britannica,’ whilst H. f. & T. means Hooker [fil.] and 
Thomson's ‘ Flora ica :’ two entirely different sets of authors 
their co - 
to expand it te to the A form. “ Webs Mohr.” and ‘ Kar. 
Kir.” ne e sign & to complete the reference. I have — 
the example of zoologists as only to be shunned; their rules 
