WITTIA. 207 
2. Wittia panamensis Britton and Rose, Contr. U. S. Nat. Herb. 16: 241. 1913. 
Branches much flattened, up to 1 meter long, 4 to 7 cm. wide, low-crenate; flowers sometimes 
I5 or more on a branch but solitary at areoles on upper half of joint, purple, becoming straight, 
2.5 to 3.5 cm. long, 5-angled, stiff; outer perianth-segments 10, in 2 series, equal, obtuse ; outermost 
ones angled on back; inner perianth-segments 5, similar to outer but thinner, not angled or only 
slightly so, a little longer, all erect; innermost segments 1o or 11, thinner, paler, and much smaller 
than outer, apiculate, sometimes toothed above; tube proper 5 to 6 mm. long, the throat 10 mm. 
long; stamens many, in 2 series, one on base of throat on long filaments, one on top of throat on 
short filaments, all included; stigma-lobes 4, white, but remaining in a close cluster, the top exserted 
beyond perianth-segments; ovary globular, purple, bearing a few scarious scales. 
Type locality: Mountains above Chepo, Panama. 
Distribution: Panama, Colombia, and perhaps Venezuela. 
Mr. Henri Pittier has collected in Venezuela a plant which is closely related to this 
species (No. 7656). 
Illustrations: Contr. U. S. Nat. Herb. 16: pl. 73; Curtis’s Bot. Mag. 145: pl. 8799. 
Figure 209, shown below, is from a photograph showing the plant collected by 
Mr. Pittier in 1912 which afterwards flowered in Washington. 
