392 MR. J. MIERS ON THE HIPPOCRATEACE OF SOUTH AMERICA. 
teolis tecto, flores 4-6 longe pedicellatos fasciculatos gerente; pedicellis petiolo 
sublongioribus; floribus majoribus; sepalis rotundatis, margine submembranaceo 
minutissime denticulatis; petalis triplo longioribus, oblongis, submembranaceis, 
aurantiacis, imo brunneis, minutissime denticulatis; disco magno, carnoso, annulari- 
pulvinato, imo complanatim dilatato ; filamentis complanatis, imo sensim latioribus, 
longiusculis, subreflexis ; stylo brevissimo, triangulatim obtuso. In Brasilia, v. s. iz 
herb. variis, Barra do Rio Negro (Spruce, 1387). 
. A tree growing by the side of streams, whose branches, scandent to a considerable 
height, are rather stout, with axils ¿-1% in. apart; the leaves are 23-6 in. long, some- 
times longer, 12-2 in. broad, on a petiole 6-7 lines long; the axillary bud-like peduncle 
is 1 line long, covered with bracteoles, gives out four or six slender pedicles 6 lines long ; 
the flower is 11 lines in diameter when expanded; the sepals 1j line long; the rotate 
petals 5 lines long, 34 lines broad, are marked by many parallel granulated lines; the 
filaments are 1$ line long. 
4. RADDIA IMPRESSIFOLIA, nob.: scandens, ramulis subteretibus, interrupte striatis, sub- 
rugosis, ad axillas oppositas compresso-dilatatis: foliis ovato-oblongis, imo rotundatis 
et in petiolo brevissime decurrentibus, supra medium sensim angustioribus, apice 
in acumen breve obtusum recurvum repente constrictis, margine cartilagineo revoluto 
undulatis, fere integris, valde coriaceis, supra subnitidis, pallidis, vel leete viridibus, 
utrinque ad nervos subdivaricatos venasque reticulatas conspicue suleatulis, supra 
crebriter punctatim granulatis, costa paulo prominula, subtus opacis, pallide rubes- 
centibus, crebre impresso-punctatis, costa valde prominente et fusca; petiolo 
subtereti, subvalido, fusco, supra anguste canaliculato, subtus ruguloso, limbo 
10-12-plo breviore: pedunculo axillari, gemmiformi, braeteolato-squamoso, flores 
6-8 pedicellatos et fasciculatos gerente, pedicellis tenuibus petiolo longioribus, sæpe 
cano-pulverulentis; floribus majusculis, rotatis; sepalis rotundatis, minutissime 
dentieulatis; petalis triplo longioribus, late ovatis, marginibus subintegris aut ob- 
solete erosulis, opace flavis: cæteris ut in præcedentibus. In Brasilia septentrionali : 
v.s. in herb. variis, Panuré, Rio Uaupés (Spruce, 2600). 
A scandent plant, with branches having very nodose opposite axils, 13 in. apart; the 
leaves are 33-6} in. long, 2-34 in. broad, on a petiole 7-9 lines long; the axillary bud- 
like peduncle is 13 line long and thick; the pedicels are 9 lines long; the flower ex- 
panded is 9 or 10 lines in diameter: the petals 4 lines long, 3 lines broad, and of a dull 
yellow colour. 
- 5. RADDIA LACUNOSA, nob.: ramis crassis; ramulis patentissime divaricatis, subalternis, 
teneris, teretibus, ruguloso-striolatis, lenticellis minutis bilobis verruculatis : foliis 
seepe subalternis, oblongis, imo obtusis vel subrotundatis, apice obtusis, integerrimis, 
marginibus cartilagineis revolutis, crasse coriaceis, supra pallide viridibus, subnitidis, 
ad nervos immersos venasque reticulatas sulcatulis, subtus pallidioribus, glauco- 
dealbatis, opacis, crebre ac profunde favoso-punctatis, nervis immersis costaque 
