GLEASON: CENTROPOGON AND SIPHOCAMPYLUS 199 
perfectly with Planchon’s figure and may prove specifically 
distinct 
29. SIPHOCAMPYLUS REFLEXUS Rusby, Bull N. Y. Bot. Gard. 4: 
403. 1907. 
“Siphocampylus elegans cordatus A. Zahlb. Bull. Torrey Club 
24: 381. 1897. 
Leaf-blades thin, ovate-lanceolate, with a long narrow acumi- 
nation, distinctly cordate at base. 
$ ovate-oblong, erect or somewhat spreading; leaves acute to subacumi- 
30. SIPHOCAMPYLUS ANDINUS Britton, Bull. Torrey Club 19: 
373. 2892. 
III. Corolla tubular, stout, conspicuously egpciond curved, little cr not at all con- 
stricted at base, distinctly ampliate toward the throat, corolla-lobes with 
sca more or less oblique, and phe or directed anteriorly, the two 
three 
A. Ventral anthers terminating in a tuft of loose hairs, dorsal anthers sparsely 
pilose; hypanthium distinctly urceolate; foliage and flowers strongly to- 
mentulose; petals all about equal, broadly and obliquely triangular, acute; 
filaments long-exserted; leaves petioled, the blades oblong-lanceolate, acute. 
31. CENTROPOGON UNDUAVENSIS (Britton) A. Zahlb. Bull. 
Torrey Club 24: 374. 1897. 
Siphocampylus unduavensis Britton, Bull Torrey Club 19: 
473... 1802. 
B. Ventral anthers terminating in a stiff scale composed of united hairs; hypan- 
thium hemispheric to campanulate; foliage and flowers not tomentulose; 
at least the much smaller lower ee terminating in linear or subulate 
strongly curved appendages. 
I. Sepals linear to triangular, with broad flat sinuses; teal blac narrowly to 
broadly oblong or obovate. 
* Leaf-blades broadly oblong, almost entire. 
32. CENTROPOGON YUNGASENSIS Britton, Bull. Torrey Club 19: 
a7i. -18G2, si 
Leaves firm, glabrous; sepals triangular, distinctly shorter 
than the hypanthium. 
** Leaf-blades narrowly oblong denticulate or crenate. 
33. Centropogon aggregatus (Rusby) comb. nov. 
Siphocampylus aggregatus Rusby, Bull. N. Y. Bot. Gard. 8: 
422.) 1912. : 
