124 New SPECIES or SOUTH AMERICAN PLANTS 
the remaining venation loosely branched.  Panicles axillary, 
S 
3 mm. long, the lobes longer, attenuate from a triangular 
base, carinate, reflexed in fruit. orola more than 2 cm 
mens. Calyx-tube considerably elongated in fruit 
“A shrub or tree to 15 or 20 feet, in a damp ravine above 
Onaco, 3,500 feet, August 18." (Herbert H. Smith, Colombia, 
No. 1386.) 
anthers small, linear. Style very slightly exceeding the sta- 
- 
Diastema Williamsii. 
pseudo-terminal, solitary, 1-flowered, shorter than their leaves, 
thick but weak, purplish, costate or sulcate. Tube of calyx 
a y and slightly flexed upon the pedicel, slenderly ob- 
conical, slightly gibbous at the base, 5-sulcate, fissured on 
[o om top to bottom, continued a little beyond the 
ovary 
nearly half the length of the tube, oblanceolate, 3 narrow an 
Snr ances PPS Sande cort 
“Rio Pelichuco, Bolivia, 4000 feet, August 27, 1902." (R. 
S. Williams, No. 2475.) 
This plant has the foliaceous calyx-lobes of Gloxinia, and the 
disk of Diastema. Its fruit is not ripe, but the fissured calyx- 
tube indicates the dehiscence of Monopyle. The corolla is 
wanting, but I have little hesitation in referring it to Diastema- 
Phinaea albiflora. 
d ore or less pubescent throughout. Stems a few inches 
igh, weak, purple, puberulent below, pilose above, leafy, the 
