ON SOUTH-AMERICAN APOCYNACEZ. 257 
inner broad, roundish, denticulate scale, puberulous outside, 3 lines long, 14 line broad ; 
tube of corolla cylindrical, pale yellow, glabrous, 8 lines long, with a thin annular ring 
in the mouth, and beneath it 5 linear appendages half-exserted ; segments rhomboidally 
inequilateral, acute at the sinister angle, 3 lines long, 2 lines broad, dextrorsely convo- 
lute; stamens seated on a pilose ring a little above the middle of the tube; filaments 
compressed, ciliate, reaching the mouth; anthers linear-oblong, acuminate, partially 
cohering and wholly exserted, 2 lines long, each with 2 subdivaricating basal prongs ; 
disk of 5 free, oblong, obtuse, erect lobes, as long as the 2 acutely oblong ovaries; 
follicles, according to Velloz, 2, free, slender, torulose, slightly arcuate, 5-10 in. long, 
2 lines broad at the distentions, glabrous; seeds 6 lines long, 14 line broad, with an 
apical coma 9 lines long. 
Velloz says the plant is called Cipó carneiro (fleshy climber) on account of the thick 
fleshy rugose stem, which is also lactescent; he found it at Santa Cruz, in the province 
of Rio de Janeiro. 
6. Hamapicryon BRACTEOSUM, Müll. Fl. Bras. xxvi. p. 168. Prope Rio de Janeiro (Riedel): v. v. et 
sicc. in herb. meo (no. 3270), ad Morro Flamengo. 
This is a slender twining species, with densely hirtellous branches, near 1 line thick, - 
its axils 4-5 in. apart ; leaves oblong-ovate, roundish at the base, where they are often 
subplicate, suddenly constricted at the apex into an acumen, thinly chartaceous, with 
subundulate margins, of a dark-olive hue, with 5-6 pairs of divergent, arcuately conjoined 
nerves and laxly reticulate veins, paler and subferruginous-opake beneath, the nerves 
prominulent, 32-42 in. long, 11-21 in. broad, on petioles 5-7 lines long; racemes solitary 
at the nodes, 21-32 in. long, shortly hirtellous, densely flowered on a peduncle bare at its 
base for the length of near 1 in., bearing above 10-20 flowers on very slender approximate 
pedicels 9 lines long, supported by a very membranaceous spathulately linear-acuminate 
bract 6 lines long, 1 line broad; sepals oblong-ovate, acute, submembranaceous, reticu- 
lately veined, subpuberulous, each with an inner deltoid 4-denticulate scale corolla 
glabrous; tube broadly cylindrical, 9 lines long, with a crenulate annular ring in its 
mouth, and below it 5 linear semi-exserted appendages ; segments rhomboidally inequi- 
lateral, expanding, 5 lines long, 3 lines broad; the usual stamens, inserted in the middle 
of the tube, nearly reaching the mouth; disk of 5 lobes, scarcely longer than the 2 
glabrous ovaries. 
7. HÆMADICTYON DENTICULATUM, nob.: Echites denticulata, Vell. Fl. Flum. p. 110, Icon. iii. tab. 9 
A. DC, Lc. p. 455: Hema dictyon macroneurum (in parte) , Müll. /. c. p. 169. Prov. Rio de Janeiro 
(Velloz) in sylvis maritimis: v. s. in herb. Mus. Brit. Itagoahy (Bowie & Cunningham). 
A climbing glabrous species, well represented by Velloz, and very distinct diem E 
macroneurum, Müll Its branches are flexuose, striate, pale, glabrous, with axils 4-43 "e 
apart; leaves elliptic-oblong, acute at the base, suddenly constricted towards the eee 
into a very narrow acute acumen, dark green above, opake, somewhat translucent, wit 
dark red midrib, nerves and very reticulate veins, obsoletely puberulous, Ei. 
opake beneath, 3—4 in. long, 14-2 in. broad, on subpubescent channelled petioles 3 lines 
10ng ; raceme solitary and lateral at the nodes, 33 in. long, on a slender E. ven? 
L 
