Vol. 48 No. 7 
BULLETIN 
OF THE 
TORREY BOTANICAL CLUB 
JULY, 1921 
A rearrangement of the Bolivian species of Centropogon and 
Siphocampylus 
He A: Gleason 
Of forty species enumerated in the following article, six have 
been known to science for from fifty to ninety years, while thirty- 
four bear names not over thirty years old. Modern investigation 
of the two genera begins with Zahlbruckner, who in 1891* de- 
scribed three new species from the collections of Mandon. In 
1892 Britton published in his enumerationt of the South American 
plants collected by Rusby a list of fifteen species and two varieties 
of these genera, of which eight species and both varieties were 
described asnew. This was followed in 1896 by Rusby’s papert on 
the Bolivian collections of Miguel Bang, in which four species 
were mentioned, including three described as new. Zahlbruckner 
in 1897§ monographed the Lobeliaceae of Bolivia and recognized 
nine species of Centropogon, of which two were published as new, 
and twenty species and three varieties of Siphocampylus, of which 
eight species and the three varieties were regarded as new, making 
a total of thirty-four. Rusby listed|| several species of both 
genera and described one as new in 1907, and in 1912 described** 
* An te K. Naturhist. Holauie. Wien 6: 432-444. 18091. 
f Bull. Torrey Club 19: 371-374. 1892. 
ft Mem. Torrey Club 6: 72-74. 1896. 
§$ Bull. Torrey Club 24: 371-385. 
: 400- 
[The BULLETIN for June (48: 159-188) was issued August 1, 1921.] 
