1111 BULLETIN DE L"HEIlBlEn BOISSIKR (i""' SÉl!.). (27(5) 



50/40 liiiii. jrlalira: raceiiii masoiili axillares simplices i;raoiles 4o-50 mm.; flores 

 maseuli pejiccllati (1.5-2 mm.) bracteolis basilariljus miiiimis: perigonium 

 rolatum basi vix campauulatiuii, diam. 4 mm.; slamiiia iii ceutro floris breviler 

 monadelpha (ilamentis crassiusculis perdimidiam partem coalitis, antheris 

 ellipsoideis; tiibus staminum in centro uepressiis; tlos fœmiiieus deest. 



Aff'mis D. piperifolùi'. Willd. 



SnlTrutex volubilis 0.5-1 m. flos viridi-nibe.sceiis. iji diimeto in regione cur.sus 

 .superioris ttuminis Apa, Dec, n. 8154. 



Dioscorea mulliflora Mari. 



Mss; Gris. Flor. Bras. III, i. p. 3o. 

 Yar. gouanioides iiob. 



Folia elliptica vel ovato ellipliea breviter vel longius apicnlala nervis robiislis 

 subparallelis crecto-arcuatis percursa nervillis transversal! bus conjiinctis disco- 

 loria, supra opaca. sublus glauceseentia 120/103 113/85 70/30 70/45 mm., 

 charlacea, peliolo 13-23 mm., 1,3 mm. lato; apex anguslala 3-10 mm. long»; 

 panicula ampla simplicitcr racemosa 30-40 cm. loni;a 13-20 om. lata; raceuii 

 singuli ce. 10 cm., longi; flores mascnli sessiles int'iiiidiliilironnes 2,5/2,3 muL. 

 perigonio ad médium diviso filamentis staminum ad 13 corolKo afllxis sracilibus, 

 autheris ellipsoideis quam filamenta 3-6 X plo brevioribus, iobis paulo breviu- 

 ribus. 



Frutex scandens 4-6 m. flos tlavo-virens, in silvis in regione cursus superioris 

 fluminis Apa, Dec, n. 8298. 



Dioscorea Concepcioiiis nob. spec nov. 



Sect. Cryptantlia Uline. N&L PHanzfam. Naclitr., |i. 82. 



Folia eordata vel subtriloba auriculis lateralibus rotuiidalis lobo modiaiia 

 aculo interdum acutissinm subcoriacea glabra, petiolis 20-30 mm. vel in speci- 

 minibus masculis minoribus; racemi maseuli paniculati, floribus sœpe 2-3 aggre- 

 gatis quique 3-9 cm. longi; flores maseuli campanulati sessiles inaperti elobosi 

 2-3 mm. longi, Iobis ad 1/3 pertinenlibus; stamina ad médium tubi inserta 

 filamentis anttieris 2-3 plo longioribus, médium loborum atlingentibus; racemi 

 fœminei fructiferi elongati pcdicellis lignesceulibus recurvis imbricati; capsuhx; 

 obovato- cuneatae 23/14 mm.; semina nunc leviter 4/3 mm. reniformia ala 

 superiori angusla 1 mm. inferiori elongala 6 mm. 



Suffrutex volubilis 2-8 m. tlos ^ flavo-virens, in dumetis pr. Cbololo, in valle 

 fluminis Y-aca, Dec, n. 6861 ; in dumetis insulœ Chaco-v pr. Concepcioii, Sept., 

 n. 7368, 



Dioscorea Hassleriana Cliod. spec nov. 



Folia delloidea vel eordata sensim aeuta nervis palmatis 3-7 dorso pubescontia, 

 petiolo 10-15 mm. longo, lind)0 60/42 60/48 30/30 mm.; inllorescenliai nmsculime 

 dupliciter racemo.sœ 13-20 cm. longan, 10-13 racemos partiales ferentes 

 70-100 mm. longos; flores basi bracteolati brevissime pedicellati, ce 4 mm. 

 longi, tubulosi ore leviter expanso Iobis brevibus, tubo 6-7 plo brevioribus; 

 stamina supra partem tertiani in.serta filamentis longis tubo paulo brevioribiLs. 

 antbera; lato (dlipsoideiu; fl. l'o'minei ignoti. 



Ilerba an sullVulex volubilis, 1-3 m. Ibis |^ briuiMcd-virens, in dumetis pr. 

 Ciiololo in valle tluminis Y-aca, Dec, n. (i8:i:i. 



Var. trilolm nob. 



Folia magna triloba supra glabra sublus pra^cipui' in nervillis pnbcrula. 

 piitiolo apice dilatato, indi! Inliuiii basi nlisdlclo pc.llaliiin. liudij 15/16 cm. vel 

 minora, petiolus 3-6 mm. bingus, panicula axill.iris nmlli rai'cmosa, racemis 

 11-13 cm. longis, rliacbi [luberula, llon's çj" luliul(iso-nn-('(dali, Iobis reflexis, 

 filamentis supra partem ijuarlam insertis, villibirmia lubum snperantibiLs, 

 anllieris brevibus connectivo lato affixis. 



