^BA HOBHXT. P01A flJM KABE13A. 430 



mo OHa KaaeTca czrerKa KpiwaToff. Oopaia iibmbhhkob'b y Toro h i,py- 

 roro pacxeHia coBepmeHHO oftHMKOBa. Ho 3a to pacieHia pB3KO pa3HHTca 

 no habitus'y; Harae pacTeme ropa3i.o HOipfce (multo robustior), 

 nim> aiftpHKaHCEoe; JiHCTBa y Hero ebckojibko nmpe h npi tostb 

 Bpta (rigidiora); aojih naraewH doiBe nrapoKia, a b-bhihkh 

 ropa3^,o (JojrBe EpynHtie dtaro pfrra, raorfla CHH3y cjierna po30Ba- 

 THe (y R. fistulosa ohh (JijiecoBarae mh ctpHO-seaTHe). KpoM* Toro, 

 pta Hamero pacTema Ewbnvb oieHB npiaTHBiM sanaxi. — wo Heatsa 

 CKa3aTB ofo aftpHKaHCKOM-b pacTeHin. 



Mbi Ha3BajfH Hanie pacieaie R. Medwedewi wb qecTB HSBicTHaro 

 KaBKa3CBaro oVraHHKaJI.C.Mei.B'BAeBa, KOTopoiy yi,ajiocB Hata ero 

 aa KaBKa3B BnepBbie. 



Dioscorea caucasica n. sp. Lipsky (in litteris). 

 Descriptio nostra: Planta volubilis, rhizomatibus lorison- 

 talibus longis validis crassis; eaulibus glabris; foliis sparsis et sub- 

 oppositis, inferioribus verticillatis: verticillastris terms, quaternis 

 quinisque, formae variae: nunc omnino integris cordato-ovatis longe 

 acuminatis, nunc basi sinuato-sublobatis, 9-nerviis nervo utroque 

 extimo bifido, interdum 10 sub — 13-nerviis, subtus plus minus 

 pubescentibus interdum subglabris; petiolis basi glanduloso - hirtis; 

 inflorescentiis spicatis axillaribus; spicis masculis 1 in unica 

 axilla vel 3—4 in verticillastro, folio multo longioribus laxe ra- 

 wosis: ramis 1 —3 vel subnullis; rachi glanduloso-puberula; floribus 

 masculis sessilibus solitariis vel per 2 in rachi remote glomeratis 

 1— 2-bracteolatis bracteis lanceolatis 1-nerviis: perigonio sexfido 

 Minpamdato lobis erecto-patentibus elliptico-lanceolatis 1-nerriis; 

 staminibus imo perigomi tubo insertis tubura aequantibus perigonii 

 iobis oppositis; antheris filamento multo brevioribus; pistilli rudi- 

 mento centrali conico; spicis femineis simplicibus 1-5-sub 

 6 "floris, capsulis orbiculatis triquetris trialatis plerumque apice vel 

 etiambasi retusis coriaceis pergameis nitentibus glabris; seminibus 

 2 ^ quolibet loculo circumcirca late alatis, ala basi abrupte trun- 

 &<&, nucleo elliptico. 



