-2- 



5) Amm . dentifera A t Gray , pl. Wricrhtianae IO63, a small fragment with bud, 

 open flower, fruit springing up and some leaves. 



6) Cuphea Vrightii A. Gray , pl. Wright. 1064 f a pair of leaves with flower. 

 7} Lythrum alatum ; of all forms, or of each individual variety which Aga Gray 



has established in this species, a flower and a complete leaf, resp. a small 

 fragment with t^ese parts. - I lay great weicht on these varieties, because I could 

 form no certain opinion of scarcely any of them and am firmly convinced, that here 

 probably easily distinguishable species have been thrown together. 'Vith it I have 

 throughout no inclination to particularly nsrrow limitations of species, but other- 

 wise I am fully prepared to undertake combinations, where formerly varieties were 

 separated. 



8) Lythrum californicum (Torr, et Gray, Watson) here it appears to me two different 

 ones have been described under the s^me name. 



9) Lyt hrum bre viflorum Watson , appears to me to be similar to L. o valifo lium 

 Engelm , (which I consider a good species. ) 



10) Ammannia samosi or Michaux (non L.), a flower and 1 leaf of an authentic 

 specimen. 



11 ) Ammannia vamosa Hill , should be, according to Watson = Am. humilis Michx : 

 1 flower with leaf. 



Perhaps you are in possession of some of these authentic varieties and inclined 

 to let some of the requested specimens come to me;I can of course not conceal to 

 myself that I am putting you to a lot of trouble. It would be a great help to me 

 if I could receive 1 flower and 1 leaf of all of the Lindheimer Lythraceae as also 

 of all of the Wright Lythraceae , collected on the American mainland, together with 

 the respective collection -number and the Asa Gray names. As I may assume, you 

 probably are in possession of these collections. 



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