202 ON SOUTH-AMEEICAN APOCYNACE^. 



linear-fusiform, compressed, dorsally convex and rugosely striate, flat on the ventral face, 

 4 lines long, with a longitudinal raphe and a spreading coma of soft whitish hairs 

 8 lines long. 



This species was confounded hy Miiller with Echites Mansoana A. DC, a very dififerent 

 plant with more ovate leaves, from Cuyaba ; it is extremely distinct from the Echites 

 coalita of Velloz. 



25. Echites tripida, Jacq. (non Miill. nee Griseb.) Amer. p. 31, tab. 24; A. DC. I. c. p. 454; H. B. K. 

 iii. p. 216; Seem. Bot. Her. p. 168 (excl. syn.). Ad Carthagena (Jacquiii); Cmnana (Bonpland) : 

 V. s. in herb. Mus. Brit. Panama (Seemann 161). 



A climbing lactescent species, with slender terete glabrous branchlets, with axils 

 2-2f in. apart, charged with a few obtuse glands between the petioles ; leaves ovate-oblong, 

 rounded or obtuse at the base, acute or acuminate, submembranaceous, reddish green 

 and opake above, nerves semi-immersed, scabridulous to the touch, with a broadish, 

 dusky, ciliolate gland at the base of the midrib, paler and yellowish opake beneath, with 

 immersed fine reddish nerves and reticulated veins, 2-3 in. long, |— 1-|^ in. broad, on ex- 

 tremely slender channelled petioles 3-6 lines long ; raceme lateral, on a peduncle 3 lines 

 long, trifld at its apex, each branch bearing about 5 approximate flowers on pedicels 

 8-4 lines long, minutely bracteolate ; sepals oblong, scarcely acute, imbricate, fleshy, with 

 diaphanous margins, 2 lines long, with an inner broad pluridentate scale ; tube of 

 corolla cylindrical, of a dark purple colour, 10 lines long, swelling a little above the 

 middle ; segments of a greenish hue, obliquely oblong, 6 lines long, 4 lines broad, rotate ; 

 stamens inserted on a pilose ring at the contraction of the tube ; anthers linear, with an 

 acute membrane at the apex, and 2 parallel obtuse lobes at the base; disk of 5 obtuse 

 lobes, half the length of the 2 pointed glabrous ovaries ; style long and filamentous ; 

 clavuncle conically oblong, with a membranaceous indusium at its base, terminated by 

 2 subulate stigmata. 



26. Echites tubulosa, Benth. Joum. Bot. iii. 249 ; A. DC. I. c. p. 454 : Mesechites trifida, MiiU. (in 

 parte) I. c. p. 151 : Echites trifida, Griseb. I. c. p. 413. In Amazonas et Guiana Brit. : v. s. in herb, 

 meo et alior. Guiana (Schomb. 311), Rio Solimoes (Spruce 1348),. 



A climbing species, diflferiag from E. trifida, Jacq., in its larger leaves upon longer 

 petioles, and its inflorescence : branches terete, sulcate, obsoletely puberulous, lenti- 

 cellate, with axils 4-6 in. apart and transversely glanduliferous ; leaves oblong-ovate, 

 roundish or subcordate at the base, shortly acuminate, submembranaceous, glabrous, with 

 many patently divaricate immersed nerves, midrib sulcate, bearing at its base 2-3 

 superposed ovate acute adpressed glands, opake beneath, pallidly ochraceous, fine 

 reddish prominulent nerves reticulately veined, 3-5 ia. long, lJ-2 in. broad, on suddenly 

 deflexed petioles 6-12 lines long ; raceme lateral, on a peduncle .6 lines long, divided 

 at the apex into 2 branches 9 lines long, each bearing numerous approximate flowers, 

 on minutely bracteolate pedicels 4-6 lines long ; sepals acutely oblong, with membra- 

 naceous margins ; corolla rose-coloured ; tube 12 lines long, swelling above the middle ; 

 segments broadly dolabriform, 3 liaes long ; stamens inserted on a pilose ring at the con- 

 traction of the tube ; follicles free, 8-10 in. long according to Mr. Bentham. 



