ON SOUTH-AMEEICAN APOCTNACEiE. 241 



6. ExoTHOSTEMON spEciosuM, G. Don, l. c. p. 82 : Echites speciosa, H. B. K. iii. p. 219 ; A, DC. I. c. 



p. 460. Rio Orinoco : non vidi. 



A slender climber, with filiform branches, the younger ones hirtellous, all with remote 

 axils ; leaves oblong, acuminate, rounded and cordate at the base, membranaceous, 

 green and glabrous above, reticulately veined, beneath paler and hirteUous, with pro- 

 minent nerves, 2^-2f in. long, 9-11 lines broad, on hairy channelled petioles 3 lines 

 long ; raceme lateral, pedunculate, 2 in. long, all hirtellous, its rachis flexuose ; bracts 

 2 lines long ; pedicels 4 lines long ; flowers yeUow, 2 in. long ; sepals acutely oval ; tube 

 of corolla 9-10 lines long, sericeo-pilose in the mouth ; stamens and other parts as in 

 the preceding species ; follicles 2, terete, fuscous, smooth, pointed, 7 in. long, the sutural 

 placenta afterwards free ; seeds oblong, 5 lines long, dorsally convex and pilosulous, 

 channelled on the opposite face ; coma sericeous, ferruginous, deciduous. 



7. ExoTHosTEMON PALXJDosuM, G. Don (in parte), I. c. p. 83: Echites paludosa, H. B. K. (non Vahl), 



iii. p. 221. In Cuba : non vidi. 



A climbing species, with striate terete glabrous branches ; leaves oblong or oblong- 

 Unear, acute at the base, acute or shortly acuminate at the apex, membranaceous, 

 entire, glabrous, reticulately veined, with a prominent midrib beneath, 2-2^ in. long, 

 4-11 lines broad, on glabrous channelled petioles 4-5 lines long ; raceme terminal, 2 in. 

 long, pedunculate, bearing 2 to 4 geminate flowers on pedicels 4 lines long ; sepals 

 acutely oblong, glabrous, reticulately veined, 3 lines long ; corolla glabrous, its tube 

 cyKndrical, much longer than the sepals, its segments as in the last species ; the sta- 

 mens inserted on a pilose ring in the throat ; the anthers exserted, bearded : the rest as 

 in all the preceding species. 



A species confounded with the Echites {Bhabdadenia) palustris, Vahl, which it much 

 resembles in habit, but differs in the narrow cylindrical tube of the corolla with a pilose 

 ring in the throat, on which the exserted stamens are seated. 



8. ExoTHOSTEMON sERicETTM, nob. : Prestonia sericea, Mart. & Galeot. Bull. Acad. Brux. xi. p. 360 ; 



Walp. Eep. vi. p. 478. In Mexico, prope Oaxaca : non vidi. 



A climbing plant, with villous branches : leaves ovate -lanceolate, subcordate, acu- 

 minate, villous and scabridulous above, flavescent and sericeo-tomentose beneath, 

 subsessile; panicle axiUary, with a bifid peduncle longer than the leaves, fulvo- 

 tomentose, each branch corymbiferous ; bracts linear - acuminate ; sepals rather large, 

 cordately ovate, acuminate, villous; corolla salver -shaped; tube sericeously villose; 

 segments obovate ; stamens half- included, semi-exserted ; no appendages in the mouth 

 of the tube. 



9. ExoTHosTEMON coNTORTUM, nob. : Hcsmadictyon contortum, Mart. & Gal. Bull. Acad. Brux. xi. p. 360; 



Walp. Rep. vi. p. 473. In Mexico, ppope Oaxaca : non vidi. 



A subscandent species ; leaves oval, subcordate, acuminate, pubescent above, puberulo- 

 velutinous beneath ; panicles axillary, on a bifid peduncle longer than the leaf, each 



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