44 ON SOUTH-AMERICAN APOCYNACEJE. 
branches 4 lines; the pedicels 5 lines long; the sepals 1 line long; tube of corolla 
44 lines long, segments 3 lines long. 
28. PESCHIERA CONCINNA, nob.: ramulis validiusculis, pallidis, angulato-sulcatis, inferne defoliatis et 
annulatis: foliis heterophyllis, ellipticis, imo acutis, apice in acumen latiusculum plicato-recurvum 
sensim terminatis, tenuiter chartaceis, supra opace viridibus, minute granulatis, costa sulcata, nervis 
tenuibus semiimmersis, subtus flavide pallidioribus, costa prominente, nervis rufulis prominulis; 
. petiolis canaliculatis, imo fossulatis et linea transversa conjunctis, limbo 12plo brevioribus: pani- 
culis axillaribus et terminalibus, 2-3-4-fasciculatis, e basi ramosa circa 16-floris, ramis sub 3-floris ; 
pedicellis medio bracteolatis; sepalis parvis, acute ovatis, submembranaceis, intus singulatim 
squamula plurilaciniata ad basin munitis; coroll. tubo cylindrico, imo paullo latiore, glabro, 
segmentis dolabriformibus, intus pro dimidia parte inferiore dense pubescentibus, sinistrorsum con- 
volutis; staminibus tubi versus basin insertis. In Peruvia: v. s. in hb. meo Tarapota (Spruce 
4534). 
Axils 3 in. apart; leaves of unequal length in each node, 5 and 24 in. long, 2 and 1 in. 
broad, on petioles 5-3 lines long; the upper pairs smaller; panicles 14 in. long; branches 
of peduncles 3 lines long; pedicels 3-5 lines long; sepals 3 line long; tube of corolla 
7 lines long, segments 4 lines; filaments of stamens 3 their length, inserted near the base 
of the tube; anthers 2-aristate at the base; disk none; 2 free ovaries; style short; rest 
conforming to the general character. 
29. PESCHIERA BLANDA, nob.: ramulis subdichotomis, teretibus, striatis, ad nodos compressis et annu- 
latis: foliis heterophyllis, ellipticis, imo sensim acutis, apice in acumen recurvum longiuscule ros- 
tratum subito constrictis, marginibus revolutis, chartaceis, supra viridibus, opacis, leviter corrugu- 
latis, nervis adscendentibus semiimmersis, subtus flavide pallidioribus, opacis, nervis paullo pro- 
minulis, petiolis tenuibus, canaliculatis, linea transversali conjunctis, limbo 8-10plo brevioribus: 
cyma in dichotomiis terminali, circa 12-flora, e basi 3-ramosa, ramis petiolo brevioribus, ramulis 
paucis, bracteolatis, bi- v. trifloris; pedicellis tenuibus, medio bracteolatis ; sepalis parvis, obtuse 
ovatis, membranaceis, imbricatis, singulis squamula interna trilaciniata munitis; corolle tubo 
anguste cylindrico, superne intus puberulo, imo ampliore et glabro, segmentis inzqualiter oblongis, 
tubo brevioribus, glabris, sinistrorsum convolutis; staminibus inclusis ; filamentis tenuissimis circa 
basin tubi insertis; antheris gracilibus, tenuissime biaristatis; disco nullo ; ovariis 2, liberis; stylo 
tenui, brevi, clavuncula incrassata 5-sulcata, imo membrana donata; stigmatibus 2 terminalibus. 
In Peruvia : v. s. in hb. meo Tarapota (Spruce 4209). 
A species near the two preceding: leaves in pairs 5 and 4 in. long, or 4 and 3 in. long, 
14-14 in. broad, on petioles 5 and 4 lines long, or on petioles 9-7 and 5 lines long; cyme 
14 in. long; peduncles 2 lines, their branches 2 lines long; pedicels 3-4 lines long; 
sepals 1 line; tube of corolla 5 lines long, segments 34 lines long. 
30. PrsCHIERA UMBROSA, nob.: Tabernemontana umbrosa, H. B. K. iii. 226: A. DC. L c. p. 375. In 
Venezuela : non vidi. 
A tree, with smooth branches; leaves elliptic-oblong, acute at both ends, membrana- 
ceous, nerves prominent below, nearly 5 in. long, 2-2) in. broad, on channelled petioles 
+ In. long, whose margins are conjoined across the node by a very short transverse 
membrane; corymb subdichotomous, much shorter than the leaves, pedunculated and 
