
          Cambridge, Monday Evening, 29th April 1852.


 My Dear Doctor,


 I duly received yours of the 20th & to-day
 yours of the 27 from New York, the first with the
 notes on Oleomella, all with nice characters. 
 I wish it were a little longer, that I could print 
 it in Memoirs of Academy. But it wont make 4
 pages. It will however make a good sized note. 


 Are you right about Vauquelinia. In 
 Gregg's coll. [collection] of 1848-49, I have nos 599 & 104
 both the same plant, the latter in fruit. But 
 I had put it in Cotoneaster & it has the 
 fleshy fruit & adnate calyx of Pomaceae.
 Can yours be the same thing? I must look 
 at the plate in Pl. [AEquirdet.? [Plantae aequinoctiales?]] to-morrow. 


 You mistook my specific name Cassia
 bauhinoides, n. sp. [nova species] for Bauhinia, n. sp. [nova species]. I 
 was aware of Bentham's note. 


 I remember nothing of Chenopodium aristatum. [3?] Linn. [Linn�]


 The plants I brought from Fremont were 
 for you. They are all he had, I suppose. If my
        