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XXVIII. Description of Cowania, a new ius of/ Plants ; and 
of a new Species of Sieversia. By Mr. David Dof, Libr. L.S. 
Read November 2, 1824. 
Ix an extensive Mexican collection, forming part of the Her- 
barium of the Spanish botanists Sessè and Mocinno, which has 
lately come into Mr. Lambert's possession, are specimens of two 
remarkable plants belonging to the family of the Rosacee : one of _ 
them forms a very singular new genus, and the other has all the 
essential characters of Sieversia, but widely different in its habit. 
I have named this new genus Cowania, a name which is intended 
to commemorate the botanical zeal and acquirements of James 
Cowan, Esq., who, as a merchant, had several times visited 
Mexico and Peru; from whence he has introduced many new 
plants, some of which have now become common in our gar- 
dens,—such as Cineraria Petasites and Inula glauca. The showy 
Solanum amazonium, Russelia multiflora, Chrysiphiala flava, and 
Allium Cowani were first introduced by him. Mr. Lambert re- 
ceived from him in 1823 a rich collection of seeds and bulbs: 
among the latter were Chrysiphiala urceolata and Amaryllis 
candida. A number of plants, some of them apparently new, 
have been raised in the stoves at Boyton from the seeds, and 
are likely soon to produce flowers. Much was still to be ex- 
pected from Mr. Cowan's exertions in the advancement of his 
favourite pursuit; but alas! death deprived science of his la- 
bours. He died at Lima in the autumn of 1823, deeply regretted 
4r2 by 
