2 



Another novelty 1s Isoetes melanopoda (but not blaokl) whioh I 

 also dld not know Saat of the Mississippi. 



Xou have to tetudy still more Queraus alba and Möhlenbergil, the 

 flowers.a.s.o. bark. What klnd of tree ls Itt Does 1t grow between 

 the parents? 



Aster erlooldes wlth large vlolet f lowera ls undoubtedly wrong j 

 lt(erlooldes) has muoh s maller white Clusters; but I oannot say Just 

 what 1t ls« 



Junous marginatus may also posslbly be * J.leptooaulis. You do have 

 m^y Juncl f oompare marginatus wlth lt. 



Lemna perpusllla. Why? Why not L.minor? It ls s maller than minor 

 usually Is.but oannot hardly be dlstlngulshed wlthout the frults. I 

 would oonslder lt belng a sraaller minor. 



Callltrlohe verna ls C.heterophy IIa (wlth clrcular frults). 



I am very pleased wlth Phlox Stella ta. 



I am enoloslng In thls letter Lemna pauolrostata and Wolffll; the 

 f Irst one ls very slrallar to perpusllla f but llkes to bear frults llke 

 thls.but the frults are dlfferent. Xou will easlly find and reoognlae 

 them. 



And now again for the present best thanks - later a more substant- 

 lal one. 



Most frlendly 



yours 



a. Engelmann. 



Translated by R.V.La Garde. 



