Buchenäu, Dr. Fr. 
1867, March 27th 
Bremen, Germany 
TRANSLATION 
Bremen, 22th March 1867 
Dear Doctor, 
Many thanks for your letter of 23rd February of this year. Again it was very 
rich in interesting material for me. Whoever, as you, is surrounded by the richest 
material, has an entirely different judgment than I who has before him only the 
scantiest of material. 
I am answering you tüday to let you knüw I have hät received the fürst part 
of your work. I only learned of it from the issue of the Transactions which your 
Academy sent to our Natural History Society. In your letter of November, you 
mentioned that you would send me, after completion of the printing, a copy of the 
whole work by mail. I, therefore, should appreciate very much if you would do that. 
Don't worry about my species making. I am very careful with systematic decisions 
(or what one thinks they are) than most anybody else. Otherwise I could have 
given to the world dozens of (perhaps bad) new species; but I know how easy it is 
to be faced by the threatening punishment of the synonyms. I am now satisfied 
with regard to J. Roemerianus since you saw the original specimen; however, not 
so much, as I state frankly, with regard to J. stygius americanus; I, therefore, 
wish very much to be able to compare plenty of material of this. 
The growth condition of Juncus and Luz. shall occupy me next summer; some 
facts I have already gathered, some were also described by Jestch Obviously, 
many interesting things can be found there. I ask you if you select plants for me 
again to pay special attention to the rhizomes, since I am unfortunately not 
able to study the live American plants. 
With regard to the structure of the seed, I am not entirely in agreemeent 
with you in some points; it is the name of s. linelolata. When I first studied 
your seed table, I was always confused by the fact that I also saw a lateral line 
in these seeds, mostly of the same strength as the vertical lines, seldom weaker. 
Shouldn't it be natural to all these seeds s. transverse reticulata, since 
indeed the narrow transverse small pits or grooves are surrounded by elevated 
rims all around. s. lineolata probably has no or very seldom elevated vertical 
lines. I talked about this in a small paper concerning the seed coat of the 
German Juncaceae which I shall send you as soon as it comes from the printer and 
ask you to reply. 
I have sent Braun immediately your (unfortunately very much delayed) Iso@tes. 
They must have arrived (even though he did not expressly mention it) since in his 
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