102 ON SOTJTH-AMEEICAN APOCYNACTLE. 



let bearing 3-5 approximated flowers on bracteolated pedicels 1 line long ; sepals acutely 

 ovate, puberulous, 1 line long ; corolla subglabrous, 2 lines long ; segments ovate, a little 

 shorter than the tube, submembranaceous, smooth, with dextrorse convolution ; stamens 

 more than half-iucluded, anthers with 2 long basal prongs. 



23. Thtrsanthxis glabrescens, nob. : Forsteronia glabrescens, Mull. I. c. p. 102. In Brasilia australiore, 

 V. V. et sice, in herb, meo (n. 3942) Rio de Janeiro, Botafogo ; v. s. in herb. Mus. Brit. prov. S. Paulo 

 (Bowie and Cunningham) . 



Its branches are interruptedly striate, sublenticeUate, oppositely branched, branch- 

 lets slender, striolate, with axils 1-lJ in. apart ; leaves often scarcely opposite, elliptic 

 oblong, obtuse at the base, ending iu a sudden sharp acumen, submembranaceous, 

 fuscous rufescent green above, often marked by many small white leprous dots, with 

 about 7 pairs of semi-immersed oblique nerves, and with 2 small yellowish glands at the 

 base of the midrib, opake and subferruginous beneath, with promiuulent reddish midrib, 

 nerves, and reticulated veins, 2^3|- in. long, Ij-lf in. broad, on petioles 3 lines long ; 

 panicle terminal, pyramidally thyrsoid, laxly branched, 3^ in. long ; peduncle slender, 

 bare at the base for 4-6 lines, branches somewhat spreading, |-1 in. long, diminishing 

 upwards, again laxly divided, bearing many lax flowers on bracteolated pedicels 1-1^ Hne 

 long, all subglabrous or shortly puberulous ; sepals ovate, subobtuse, 1 line long, each 

 with 3 minute inner basal scales; corolla glabrous outside, IJ line long; segments 

 lanceolate, as long as the tube, woolly within ; anthers semi-exserted, bifurcate at the 

 base ; disk of 5 free lobes, nearly as long as the 2 glabrous ovaries. 



24. Thyrsanthus bracteatus, nob. : Echites bracteata, Veil. Fl. Flum. p. 112^ Icon. iii. tab. 41 (non 

 Kunth) : Echites Velloziana, A. DC. l. c. p. 474 : Forsteronia bracteata, Miill. /. c. pp. 106-453. 

 In prov. Rio de Janeiro : v. v. et sice, in herb, meo (n. 4025) montibus Organensibus [in flore etfructu). 



A scandent species, with rigid subflexuous rufescent branches, oppositely divided, 

 branchlets more slender, verrucously lenticellate, with axils 1-1^ in. apart, aU 

 covered with dense, short, ferruginous pubescence; leaves spreading, oblong ovate, 

 shortly cordate at the base, with a very short obtuse or acute acumen, rigidly charta- 

 ceous, with revolute margins, dark green above, opake, sulcate on the pUosulous midrib 

 and oblique nerves, with 2 or more small glands among the rigid hairs at the base of the 

 midrib, ferruginously opake beneath, hispidly pilose upon the prominent midrib and 

 nerves, the hairs rufoiis and spreading, l|-2f in. long, -g— Ij in. broad, on stout villous 

 petioles 1^2 lines long; raceme terminal, 1 in. long, densely hirsute, on a stoutish 

 pedimcle 9 lines long, bearing an oblong capitate head of small flowers, all rufously hir- 

 sutulous, on horizontal stout pedicels ^ line long, at first approxiniately spicate, after- 

 wards more remote, the lower ones supported by lanceolate bracts 2 lines long, the upper 

 ones by acutely deltoid bracteoles J line long; sepals acute, subpilose, 1 line long; 

 coroUa subpUose outside, glabrous within, 2 lines long; tube 1^ line long; segments 

 membranaceous, J Hne long ; stamens small, apices subexserted ; disk of 6 oblong free 

 lobes, a little shorter than the 2 subpilose ovaries ; foUicles 2, horizontally divaricate, 

 black, sparsely pilose, terete, straight, 2 in. long, 1 line thick, subacute at the apex, each 



