
          Our University has published its Catalogue for 1820 & it contains 
Professors & Tutors.  202 [added:collegiate] students, & 34 Medical [crossed out:Medical] Students.
My compliments to Dr. Mitchill & all friends to Nature etc.

I send you beneath the Description of my Eustachya purpurea for
Silliman's journal or the Journal of Lyceum if ever to come out.

A member of the Lyceum has published a Description of [illegible], [crosse out:illegible]
in New York pray get it for me & send it on to Mr. [crossed out:Cliffor] Leanning
for Mr. Clifford, as above, he will also pay you the [illegible] on Mr. Cli'd [Clifford's] acct. [account]

Who has wrote the geological Descript [description] of the Hudson as far as Newburgh?

When you write me send me news, etc. of all kinds, you know what
will interest me Discoveries, Publications, etc.

Believe me truly, Your friend, C S Rafinesque

PS How fares our friend Knersch with his pretty bride
And where is now Eaton,  I heard last he was [illegible] at Hudson.
Nuttal has made great botanical Discoveries on the Arkansas where he is
still.  Baldwin made few before his death.  Say has discovered several 
new insects, birds etc. but they hardly do more than I, altho' [although] quite
alone & unsupported.

Notice on the Eustachya purpurea

The genus Eustachya was established by me 12 years ago under 
the name of Callistachya, but I changed that first name as soon as I saw
that an Australian genus had also received it.  Mr. Nuttal without
taking notice of it, has established it againunder the name of Leptandra.
It belongs to the natural family Pederotia, along with the genera
Pedenia, Wulfeni, Calcenlaria, Beula, etc.  There are 4 species of it.
2 in Afric: 1. E. cerulea (Veronica sibinica L ) 2. E. japonica (Veronica
Virginica Thunberg.  & 2 in North America 3. E. alba (Ver. virginica L)
& 4 E. purpurea - a new species found in the Barrens of Kentucky
Tennessee, Virginia, etc.
Eustachya purpuria -  Stem cylindrical smooth, leaves ternate,
sessile, ovate-lanceolate, acute at both ends, unequally serrate, stamina
double the length of the Corolla.  Flowers purplish, spike
solitary angular verticillate dense.

It differs from E. alba [Eustachya alba] which has white flowers, shorter stamen
leaves lanceolate 4 to 6 in a whorl acuminate, with a short petiol.
etc. and from E. cerulea [Eustachya cerulea] which has a [illegible] stem, leaves 6 to 7 in
a whorl, flowers blue etc - Lexington, 10th Febry [February] 1820
C.S. Rafinesque
        