195 
rowing ferns with once-pinnate leaves. Most of the 
so divided and also in the fact that it frequently tended to 
ack to the original Boston form. It was unstable. This 
2 it an uneven and mixed sort of a plant. For purposes of 
yarison its name may be written in full as follows: Nephro- 
exaltata Fee sent Piersoni. 
1e original Piersont was soon sie leeaay by a somewhat smaller 
» compact an y divided form which was called 
hrolepis exaltata een Piersont elegantissima. It 
Id be said that in the trade it is generally called merely 
‘egantissima but its full name is as above. This also had the 
ault of reverting to the original Boston form and was re- 
nsis Piersoni elegantissima ‘‘i ' Neph. exaltata 
miensis Piersoni elegantissima compact t d, and 
3 name indicates, it was a sport from elegantissima, of simil 
acters in cutting but considerably m a hese 
\r 
2s with closely packed divisions. The original Pierson 
elegantissima are no more in the trade and exist only as 
is form 
Ss ie noniceable characteristic is found. in ee 
, bi 
aat a single leaf is not a athing of beauty although a Sahel 
