DIOSCORINEAE. (THoscorea.) 391 



catis. Roxh. D. opposifa Thunb. Jap. 151. (Jide syn.) — India 

 orienlalis (Coromandelia), Insula ISipon (Thunb.). ?4- — Radix 

 (uborosa, porennis, edulis. Caulis volubilis, gracilis, (eres, lac- 

 vis, annuus. Folia opposita . petiola(a , ova(a, acu(a, undata, 

 glabra, 3-7-nervia. Flores masculi uumerosissimi in paniculis 

 axillaribus. Flores feminei pauci in spicis axillaribus. Roxb. 

 Vidi iu ieone Wightiana u( sequitur: Folia opposi(a. Spicae 

 mascnlae (valde juveniles) in paniculam dup!ica(o- compositam 

 congeslae. Spicao femineae sxillares, solitariac, simplices, op- 

 posifae. Fructus subrotundo - (rip(eri. — Loureiro buc ducit 

 Ubinm anguinum Rumph. 5. /. 122. et cum ? D. japonicam 

 Thunb. 



88. D. divaricata Rhmco, Flora de Filipinas p. 550. — 

 Insulae Philippinae. 2\. — Radix magna, (uberosa. Caulis an- 

 gnlosns, volubilis, inferne aculea(us. Folia opposi(a, sagittata, 

 lobis divergentibus, 3-7-nervia, apice glandnloso, integra, glabra, 

 firma. Flores in paniculis spicatis, dioeci; masculi basi uni- 

 bracteati, 6-amlri. Caljcis foliola ovalia, tria exteriora. Fila- 

 menta brevissima, basi foliolornm inserta. Antherae bilocula- 

 res. Pistilli rudimentum triangulare. Flores feminei: Calyx 

 superior, basi bibracteadis, 6-phyllus. S(amiua efl'e(a ; antheris 

 sagittatis, sterilibus. Styli 3, crassi et breves. Stigmata sim- 

 plicia. Capsula flore coronata, alis tribus semicireularibus par- 

 vis, 3-locularis. Semina in loculis 1-2, compressa, subrotunda, 

 late alata. Blanco. An recte huc relata ? 



16) Perigonium 6-fidum, bibracteolatum, subcarnosum; laciniis 

 subconico-conniventibus, subaequalibus. S(amina basi laciniarum 

 inser(a ; tria sepalina fer(ilia, brevia: antheris subrotundo-didy- 

 mis ; (ria petalina castrata (staminodia), sfjuamaeformia. Rudi- 

 mentum slylinum perspicuum. — Flores masculi pedicellati, so- 

 litarii : racemi simplices vel compositi : pedicellis basi ebrac(ea- 

 tis. Flores feminei : Columna stylina brevissima. S(igma(a 3, 

 apice obcorda(o - biloba, sursum complica(a, recurva(a. Folia 

 sparsa, digi(ato-3-5-sec(a. Sec(io dis(inc(issima, nisi genus 



peculiare. 



89. D. TOMENTOSA *) Hohenacker , Pl. Tnd, or. no. 286. 

 (t;. s. in Herb. />?tc.) Ramis teretiusculis , (omentosis , inermi- 

 bus; foliis sparsis, ternato-triseclis ; segmen(is cuspidatis, mem- 

 branaceis , pellucido -lineolatis, supra glabris, subdis incano-to- 

 menlosis; (crminali ellipdco-oblongo ; lateralibus dimidiato-cor- 

 dato-ovatis ; racemis masculis axillaribus et terminalibus, solita- 

 riis, his duplicato-, illis simpliciter ramosis, folia superantibus ; 

 perigonii bibracteolati laciniis ovatis, subaequalibus, urceolato- 

 conniventibus ; staminodiis spathulato-subbiiobis ; bractcolis in- 



°) Dioscorea tomentosa Roxb. est Helmia tomentosa nob. 



