588 DIOSCOKE;E. 



long-petioled ; capsule still uuknown. — Hab. Jamaica !, Mac/.; [Portorioo !, French islands !, 

 Guiana !]. 



6. D. Kegeliaraa, Gr. Stem subcyliudrical ; leaves cordate-deltoid, cuspidate, gla- 

 brous, membranaceous, T-nerved with the exterior pair united, twice as long as the i)etiole; 

 S flowers in filiform, simple, or slightly compound racemes: rhachis hairy; ? flowers 

 distantly glomerate in spikes ; capsule elliptical, chartaceous : seeds surrounded by a wing. 

 —Leaves 2" diam. ; capsule 10"'-12"' long, 8"'-10"' broad.— Hab. Trinidad!, Cr.; 

 [Guiana!]. 



7. D. pilosiuscula,, Berter. Stem subcylindrical, striate; leaves subcordate-ovate 

 (or subcordate-roundish), minutely pointleted, hairy beneath, 7-ll(-13)-nerved with the 

 exterior nerves cohering, twice-thrice as long as the petiole ; \_S flowers fascicled in simple, 

 filiform racemes : rhachis p\ibescent] ; ^ flowers single, in long, filiform, hairy spikes ; 

 "capsule oblong: [seeds winged at the base"]. — Helmia, Kth. The characters included 



■-in brackets, are taken from Z). j-emoi^ora, Ktli. (iZe/»8J« £AreK3er^8«K«, Kth.), which is 

 apparently a continental form, with roundish, more pubescent leaves, and the number of 

 their nerves increased. Leaves 2"-3" long ; $ spikes peduncled, often geminate. — Hab. 

 Jamaica!, Pd., M'Nab. ; [Haiti; the continental form ranges from Mexico to Panama!]. 



Sect. 3. LvcHNOSTEMON. — Stamens i fertile, 3 sterile,., inserted into the rotate perigone : 

 the fertile l-fid at the summit, with distant anther-cells. — Leaves alternate, membra- 

 naceous. 



8. D. multiflora, Prl. Glabrous ; stem subcylindrical ; leaves cordate-deltoid, cus- 

 pidate, glabrous, 9-11-nerved, with the exterior pair coheriug and the veins in a loose net- 

 work, dotted with miimte, pellucid lines : basilar sinus open ; 3 spikes simfly branched 

 below, filiform ; flowers distantly glomerate ; capsule roundish-oval, membranaceous-ehar- 

 taceous : seeds surrounded by a wing. — Plum. Ed. Burm. t. W^.f. 1. — D. altissima, Sieb. 

 Mart, (non Lam). D. Sieberi, Kth. — Leaves 3"-5" diam. ; capsule 1" long, 10'" broad. — 

 Hab. Jamaica!, all coll., common; S. Vincent!, Guild.; [Martinique; Venezuela!]. 



Sect. 4. Allactostemon. — Character of Lychnostemon, but no sterile filaments, and 

 anther-cells approximate. 



9. D. lutea, il/^y. / Glabrous; stem cylindrical; leaves cordate-roundish, ot corialx- 

 deltoid, cuspidate, 9-7(-ll)-nerved with the primary veins transverse, (rarely dotted with 

 pellucid lines) : basilar sinus open ; spiies simple, filiform : S flowers distantly glomerate ; 

 capsule oblong, membranaceous : seeds surrounded by a narrow wing above : wing obovate- 

 roundish at the produced base. — Veil. Fl. Plum: 1 6. t^ 124. — ^^D. heptaneura, Veil. D. sa- 

 tiva, Gr. Biosc. Brasil. {exclus. Syn. Linn). B. saliva, L., comprises : 1", B. Cliffbrtiana, 

 Ijam. (H. Cliff, t. 28), which is probably a form of B. villosa, L. ; 2", D. multiflora, Prl. 

 (ex. syn. Plum, and P. Bi'.) ; 3°, B. altissima. Lam. (ex. syii. SI.) ; 4°, the Kast Indian 

 species, figured by Kheed. 8. t. 51 ; and 5°, the contested plant, quoted from Humph. 5. 

 t. 180. — Leaves 3"-6" diam. ; capsule 10'" long, 5'" broad ; seeds (the wing included) 3'"- 

 4'" long : wing IV" diam. at the base, V"-V" above. — Hab. Antigua !, Wullschl. ; Trini- 

 dad !, Cr. ; [Cnba I to Brazil IJ. 



2. KAJANIA, L. 

 Samara one-seeded by abortion : seed flat, wingless. — Habit of Bioscorea. 



10. R. ovata, Sw. ! Leaves ovate, shortly acuminate or pointleted, rounded-truncate 

 or subcordate at the base, Z-l-nerved, long-petioled; flowers pedicellate, $ "compound- 

 racemose with minute branches;" samara oblong, obliquely rounded at the summit : mng 

 much longer than the seed. — Leaves 2"-3"long; samara 12"'-14'" long, about 4"' broad 

 above. — Hab. Jamaica!, Pi^., Manchester; [Haiti!]. 



11. R. pleioneura, Gr. (n. sp.J. Leaves cordate-roundish {fi^co'ci&\:R-aifAe),iAtdii- 

 pointed or cuspidate, 9 -nerved, twice as long as the petiole : basilar sinus deep ; flowers 

 pedicellate, S compound-racemose with minute branclies; samara semiobovafe-oblong,. 

 bluntish, pointed at the incurved base ; wing thrice as lona as the seed.—U. hastata, Kth.!" 



