condensed results of my examinations.I am glad to see that my publi- 
cation about rushes excites our botanists every place, as new results 
arrive from everywherei In general I cannot praise enough the kind- 
ness and eazerness of the botarists, 
You would have the same experience,if you woulä sometime publish 
something about our Charae. It is not enoush to exhort people to pro- 
| „rarae. 
vide their material,it must be presented in developed form to then, 
they must see the results. Do it sometime I Don't wait until allis 
of our transactions 
in order; a short presentatiorfabout Charae would accomplish for you 
more than all exhortations alone to collect,and give us results I A 
short introduction of the important organs,classification, etc,specifics 
basis of rarities and different forms, and then an enumeration of the 
species and their characteristics. Is’'nt the death of Mettenius for 
us anew warning not to delay ? I, myself feel for years that I am get- 
much 
ting old and time must be utilized- and I believe that I accomplish 
mordnow than 20 years ago. 
Isoetes borealis Annon 
1) sine stomatibus, submersa 
is 3. lacustris Sault Ste.Marie,Porter fide Durien 
I. macrospora,prob.the same,Catskill Mountains 
Echolake ? 
2. 1. muricata, Dur. only near‘ Boston,Boott 
2) submersa, stomatibus paucis 
. l.Braunii Deer 
3) amphibiae,stomatibus majoribus 
. l.saccharata Reg. Maryland, Canby 
. I. riparia Eng. Banks of the Delaware,Pennsylv. & Delaware 
Florida, Chapn. 
. vallda Eng. Delaware, Canby;Pennsylvania,Poerter 
4) subterrestris,stomatibus minoribus 
. I.melanopoda Gay (NOT! ;Gay and Durien) Illinois, Iowa 
I 
* — G 
3 
hı 
5 
6. I.Engelmannri Braun Delaware,Pennsylvania,New Jersey,Missouri 
IL 
8 
9 4 florida, Sheffler 
1 
9535. Nüttallii-, Braun in Jittr, 
of the last I know absolutely nothing,of the firstonly, 
% 
6 7 8 9 10 MISSOURI 
BOTANICAL 
copyright reserved GARDEN 
