418 DXOSCORINEAE. (Helmia.) 



1. 82. Poir. Encycl. snppl. 5. 705. Griseb. in Morilz. Herb. 

 Klolzsch in Karst. llerb. no. 38. D. iriloba e Columbia Karslen 

 no. 38. D. villosa? Willd. Ilerb. no. 18424. fol. G? — Cara- 

 cas. 2J. — Rami tenues, angulati, glabri, volubilcs. Folia sparsa, 

 ternato- frisccta , glabra; scgmenlis sessilibus, mcmbranaceis, 

 cptuicfatis; terminali cllipfico-oblongo, acnminato, basi cuneato, 

 trinervio, 15 lin. longo ; lateralibus paulo minoribus, subinae- 

 quilatcris. Petioli 6-8 lin. longi, glabri. Spicae (femincae) axil- 

 laris, solilariae, adjecto pedunculo (scsquipollicari) 4-5-pollica- 

 rcs, aliae fioriferae, aliae inferne vel superne fructiferae. Florcs 

 sessiles, solitarii, reinotiusculi, basi bibractcati, l^ lin. longi; 

 bracteis lanccolatis, acuminafis, glabris; exferiore ovario dimidio 

 breviore ; latcrali multo minorc. Perigonium superum, 6-parti- 

 tum , glabrum, subtilissime glanduloso- punctulatum , glabrum; 

 laciniis oblongis, acutitisculis, enerviis, subacqualibus, paienti- 

 bus. Stigmaia 3, scssilia, crassiuscula, tcreti-subulaia, intcgra, 

 disiincia, paiula, pcrigonio parum brcviora. Siamina effcta 

 nulla. Ovarium lincare, triqueirum, apice stipifato-atienuafum, 

 glabrum. Capsulae brevissime pedicellaiae, reflexae, triqueirac, 

 oblongae, apice rotundaiae ct perigonio quasi siipitato coronatae, 

 ima basi abruptc in stipitcm attcnuatae, laeves, glabrae, mem- 

 branaceo-pergamenac, fuscescenli-stramincae, trilocularcs, locu- 

 licido-irivalvcs, 8-8j lin. longae, 4 lin. laiac. Scmiua duo in 

 quolibet loculo, angulo interno diversa altifudine immcdiaic sus- 

 pensa, compressa, infernc! longe alaia. Nuclcus lenticulari- 

 comprcssus , subrotundo- ellipticus, oblique siius, immaturus. 

 Ala nucleo parum latior et duplo longior, membranacea, fcrru- 

 ginea, oblique oblonga, utroque marginc nuclci coniinuata ejus- 

 que verticem cristae angustae instar cingcns. (Descriptio juxia 

 spccimina Karstiana, quibus Moriiziaua certe conspecifica.) Vidi 

 in seminibus perfcciioribus plantae ftloritzianac ut sequiiur: 

 Scmina inferne alata ; nucleus lcnticulari-comprcssus, subroiundo- 

 rcniformis, parum oblique situs, castanco-fuscus, opacus, basi 

 cbalaza notatus, supcrne, ubi embryo inclusus, fovcola latcrali 

 vix | peripheriae a cbalaza remota insirucius. Testa icnuiicr 

 mcmbranacea, albumini arctc adnata, infcrne in alam, superne in 

 marginem cingenicm dilataia; ala mcmbranacca, rodmdata, fcr- 

 ruginca, nuclco fcrc iriplo longior, fcrc duplo lalior, in vcrti- 

 cem nuclci coniinuaia eumque margine angusto cingens. Albu- 

 mcn nuclco conforme, carnoso-corncum, fissura ccnirali amplis- 

 sima clausa (nec biantc) inslruciiim. Embrjo minuius, in sum- 

 mo fissnrae angulo rcccpius. Radicula pcripheriam speclans, 

 abbrcviaia, tcrctiuscula, apicata, anfice infra origincm cofyledo- 

 nis pro rcccpiione plumulae abbreviato-roiundatae excavafa. Co- 

 tyledon plana, ovaio-oblonga, apice rofundafa, obsolcte 5-nervia. 

 Planta in Ilerb. Willdcnowiano sub noniine Dioscorcae villosae? 

 asscrvaia ct cujus patria plane latet est probabilitcr planfa no- 

 stra olim ab Humboldiio cum Willdcnowio communicata; de- 



