228 ON SOUTH-AMEEICAN APOCYNACE^. 



6. Secondatia PeetjvianAj Popp. Nov. Gen. iii. p. 71^ tab. 281. In Peruvia, ad Cuchero : non vidi. 



This is described as a climbing plant, hanging from the summit of trees 30-40 feet 

 high, having many branches 3-4 in. thick, intertwining, covered vrith a dark rough 

 bark. Its branchlets are slender, straight, smooth, their axils scarcely dilated, 1^2 in. 

 apart, bearing 2 extremely smaU stipules ; the leaves are elliptic, broadish at the base, 

 and suddenly narrowed upon the petiole, acutely acuminate, subundulate on the 

 margins, membranaceous, smooth above, glaucous beneath, vrith fine divergent nerves 

 and transverse veins, 4 in. long, 2 in. broad, on slender petioles 5 lines long ; panicles 

 opposite, axillary, shorter than the leaves; peduncle slender, 1 in. long, its summit 

 divided into 2 slender branches, vdth a solitary pedicellate flower in the dichotomy, 

 each branch 1^ in. long, bearing 6-8 alternate flowers on bracteolate pedicels H line 

 long, laxly disposed ; sepals acutely ovate, 1 line long ; tube of corolla stoutishly cylin- 

 drical, 9 lines long, 5-sulcate, narrowed in the middle and contracted in the mouth, 

 which is there furnished with a pilose ring ; segments obtusely oblong, inequilateral, 

 dextrorsely convolute, 2| lines long ; stamens seated a little above the base of the tube ; 

 anthers acuminate, divided at the base into 2 acute subdiverging prongs; style ex- 

 tremely short, stoutish; clavuncle incrassate, claviform, with a membranous basal 

 appendage ; disk urceolate, 5-lobed on margin, shorter than the 2 unilocular ovaries ; 

 follicles 2, oblong, very divaricate, in an immature state plano-convex, containing 

 numerous imbricate seeds, too much injured by insects for their structure to be 

 ascertained. 



All these characters seem to favour the conclusion of Poppig, that the plant belongs 

 to Secondatia. 



Haplophtton. 



A genus established by Prof. De CandoUe in 1841 (Prodr. viii. p. 412), upon a Mexican 

 plant in Pavon's herbarium and a drawing of the same by Mocinno et Sesse, named 

 Hchites cimicifuga. It is a shrubby plant, subherbaceous, with very slender terete, erect, 

 dichotomous, puberulous branches ; leaves subopposite, subdistichous, narrowly ovate- 

 acuminate, thinly membranaceous, puberulous, with hairs arising from vesicles, glandular 

 in the axils of the oblique nerves, veinless, 2-2f in. long, 8-10 lines broad, on petioles 

 1-1 J line long ; flowers geminate in the dichotomies of the branchlets, on puberulous 

 pedicels three times as long as the petioles ; sepals linear-acuminate, 2 lines long, 

 erect, without inner scales, subpilose outside ; corolla hypocrateriform, 9 lines long, pale 

 yellowish ; tube 4 lines long, cylindrical, broader in the middle, glabrous in the mouth 

 and at the base, otherwise internally pilose ; segments oblong-obovate, more than twice 

 the length of the tube, simply sinistrorsely convolute ; stamens inserted in the middle 

 of the tube on slender filaments ; anthers linear, obtuse, shortly and roundly bilobed 

 at the base ; disk none ; style filiform ; stigma capitate, 2-lobed ; follicles 2, narrowly 

 terete, erect, straight, striate, at first subpuberulous, 2 in. long; seeds many, linear- 

 oblong, crowned with a coma of equal length. 



The specimen is from Tehuantepec (Andrieux 250). 



