JOURNAL OF PROCEEDINGS. 675 
1859, from the Institute. 
Mr. James Buckland was elected an Associate Member. 
September 5, 1859. 
The President, Dr. W1si1zENvs, in the chair. 
Nine members present. , 
Letters were read from the “ K. Akad. der Wissenschaften, 
Vienna, Dee, 2, 1858, & Jan. 22, 1899, acknowledging receipt 
im ave ha 
d gp g 
Received the following works: Sitzungsb. der K. Akad. 
der Wissensch., Wien, math.-naturw. Classe. Band XXVIII, 
858. 
¥ i i 
r. Engelmann exhibited specimens of several spesion, of 
the genus Verbena, from this neighborhood, and of three by 
brids between them. ee 
He observed that hybrids were undoubtedly much more . 
- Nature than is often Batielpateds that hybrids among plants were well 
: : tion had been 
‘own in Europe, but that in this country very peontagc on of oaks, at 
since by the march of improvement. Our willows, : e Euro- 
merous hybrids, which owaves have not yet been Peotone Preche in 
pean hybrid willows lately were. The only other i was Verbena. His 
North America which seems inclined to hybridizatio 
is recent investigations of three hybrids, in all in- 
: : ovula were ; 
cto-bracteosa, and V. stricto-hastata, proved that the always small, in- 
found to be small, shrivelled, and not containing 4” es was 
these effete pulleaereing gegen number of well developed on 
