= 2 = 
wur write to Boott about this. But I have a feeling, that I did al- 
ready mention this to you ? 
Now, this time Canby sent 4 different bundles of Isoetes,col- 
lected July 23. 
now 
#, Mäarst again en who died already on June 18 (?).- Un- 
otarıı iv 
keeled on the upper surface, the larger sail and the spores ertirely 
marked netlike but still covered by spines and smaller than I.Engseln.. 
vv ME t Ge 
Eh) Letter of June 24 I called kan I.Engelmanri. He is larger und 
with broader leaves than Eo (and broader than any other Isoetes ?) and 
has flat tubers. 
My assmmption is in error, that the tubers and stems of both plants 
mailed then were perennial,or would 1Iast at least one year. Then in 
June the parts of the stems from the previous years were still' present, 
but in July they had died; thus follow riparia,Engelmanni (why are'nt 
both one) and muricata ?° 
(translated from German script by Edear Denison 
St. Louis, Mo. January 1988. The letter is incomplete and 
badly marked up ... and seens frasmentary.) 
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