AD 



DIOSCOREAS MEXICAIVAS. 



(V. Willi, XVIL p. 602 — 6100 



IT lAoUrDm Icoiies ab Hookero editac sab niim, 678 Dios- 

 coream tltnatraut Chilvnsem quam propter 8ta(iirae brcvitatt i:i 

 pusillam iiominaTit releberr. anctor, Qna irone nnpor ni- 

 ap^€la in menlem revoc<iljatur plaiitnta miDor adhnc qusd^^iu 

 ordiuis inter alias repcrla, qunm lirrt iiicomplete nol'^iu 

 Dioscoreis addere et brcvibus verbis deseribere aiidemus. 



Diwcorea nana u* sp., tiiberosa, can lis berbacens^ sub- 

 Bimpl«rx debilis { non scaiidons ) \ folia brevissiine petiohui, 

 late rotnndato corrlata, acnlinsriila, 9 — llii^rvia, membra- 

 aacea glabra; raremi ( pK foemineae) axitlaros, pauci — 1- 

 flori, folio breviorea ; friirtiis siiliglobosi, triaairnli , ad nn- 

 golos Ternicosip 



la plauUie Tolucaua reg. frigiilae imp- Mexcaai log- 

 beatDB Schiede. 



Ptanta (feminea fntetifera tantnm adest) I — 3 pV>)licari^ 

 glabra. B tiiborc globoso-conico ad peripbenam basis 'A^ 

 poll, latac radiculas ageute cxsurgit oanlis anicas debilis, i^- 

 liis paiicia (4 plenimqne) instractn^, quae membraaacea pe- 

 tiole perbrevi inoixa laminam pra^'beal y^ — 1^/^ p. lalam 

 et paalo breviorem, dilatato rotuadatam ai^iuiiisculam, basi 

 profuiide cordatam (obis obtnais^ ainn angtisfo, nervis 9--^ 

 II arcuatis subtus l^viter promincatibna. Kacemi fern, frncli- 

 fcri pedonculati breves, 4— 1 frurtiis gerimt poilicellatos 

 BubseasilesTe, 2 lin, altos, obtuse IrigoAos, faciebns suico 

 impresso Dotatoa, nlrinqac obtusos^ ad angalos obtnsos vcr- 

 riicis papillisque oblongis vario modo obsi^ssaSj 3-locularrs, 

 3"valve9, valvis medio septiferis, loculam. 2 somina i^lo- 

 bosa gerentlbus. Laciniac perigouii mox dpcldciito^ ovato- 

 f>1liptiGM, oblnsae, Styli 3 iiberi apice criissioros; stamiaa 

 6 minata circa stylorum basin. 



1^- 



