556 POLYGONEAE. atraimiaxi?* 



pcdlcclli supra mcdiuin articululi, articulus supcrior inrcriurc duplo et triplo hrcviur, 

 !iC|iulis cxtcriiis dcnium vix ac(|uil(iiigus ; bcpaln KulMirliiculuriu , iiiteriia cxteriiis (re- 

 flexi.s) diinidio niajura ) ucliuciiium acutum (ruclclius rlii>nib(;u-uvatis) , sejialis inter- 

 nis dimidio brevius. [) — Crcscit in Sibiriu altuica, tiuungaria. 



b, Rarauli omncs nuilici. 



13. A. TOUUNKFOHTII Jaub. et Spach 1. cit. 14. et 18. -;- t. lli. — Ilamuli subHc- 

 xuusi, iiovclli pubcruli; foliu clli[)tlco-oblon;ja cus|iidulata viridia , !>u[ira angusta- 

 tam basiii cuiicula, margine crispa et puberula; oclirea albidu, loiigc cuspidatu, inleriiu- 

 dio breviur; iicdicelli juxta mcdium articulati, articulus superior demum se|>alis 

 externls vix loiigior; scpala iiitcrna rciiirurml- vcl cordato-orbicularia, externis 

 (reflexis) dimidio breviora, subduplo aiigustiora; acliaenium acutum (faciebus elli- 

 pticoovatis), perianthio subduplo brcvius. [) — Crescit in Armenia. 



1-1. A. LAKTEVIUENS Ledeb. Icoii. flor, Ross. Alt. t. 422. — Jaub. et Spach I. c. — 

 Runiuli llcxuosi , novelli pubcruli ; roTu obovata vel subrotunda vcl ovulia, obtusis- 

 simu vel acuminata vel mucrunata , margiiie crispa et puberula, supra ungustatam ba. 

 siii plerumque truncata; ochrea longe cuspidutaalbida, plerumque intcrnodio brcvior ; 

 pedicclli inrra mcdium articulati, articulus supcrior infcriori subtriplo, sepalis exter- 

 nis subduplo longior ; sepala subrotunda vel nvato-subrotunda (basi rotunduta vel 

 subcordata) , iiiterna externis (reflexis) dimidiu longiora, duplo latiora; achacnium 

 acutiusculum (raciebus rhombeoovatis), perianthio dimidio brevius. \) — Crescit in 

 Soongaria. 



13. A. DUXIFOLIA Bieberst. 1. cit. 284. (sub Tragopyro) — Jaub. et Spach 1. c. — 

 Ramuli flcxuosi, novelli puberuli ; rolia obovuta vel subrutunda vel ovalia, obtusis- 

 sinia vel mucroiiata vel acurainulata viridiu, supra angustatum busiii cuneata, margine 

 crispa et pubcrula; ochrea bidentata vel breviter cuspidata fusca, intcrnodio brcvior ; 

 pedicelli juxta medium articiilati, articulus superior demum seiialis externis subdu- 

 plo longiur; sepala iiiterna suborbicularia (basi truncata vel rotundata), externis 

 (reflexis ) dimidio longiora, subduplo latiora; achaenium perianthiu subduplo bre- 

 vius , fucicbus elliptico- vel riiombeo ovatis. ^ — Polygonum buxifoliiim M. Bieb. 

 1. c. 1. 300. — Crescit in Iberia. 



JDivisio II. Folia reticulato-venosa (in sicco), sensim secus basin 

 angustata. 



a. PediccIIi supra medium articulati, Stjii brevissimi , ultra medium vel fere 

 omnino concreti, 



16. A. DEClPiENS Jauh, et Spach I. cit. 14. — Inermis glabra; fulia lanceoluta vel 

 lanceolato-linearia oblongave (inflma obovato- vel oblongo-spathulatu, obtusa, siimma 

 subulata) , glaucescentia subulato-acuminatu, vix undulata ; pedicellurum urticulus 

 superiur articulo inferiori duplo et triplo brevior, sepalis externis dcmum vix longior ; 

 sepala interna orbicularia vel ovato-orbiculariu, basi truncata vel subcorduta, scpalis 

 cxternis reflexis late ovata duplo majora; achaenium acutiusculum (faciebus elli- 

 ptico-oblongis) , perianthio paulo brevius. \) — Polygomim frutescens Hort. Paris. — 

 Crescit in . . . ? 



b. Pedicelli juxta vel paulo infra medium articulati, Styli basi solum con- 

 creti. 



17. A. MICRANTHA Jaub. et Spach 1. cit. 15. — Inermis glabra ; folia lanceolata 

 vel lanceolato-ovalia (infima lanceolato- vel spathulato-obovatu obtusa, summa laii- 

 ceulato linearia vel subulata) , viridia subglaucescentia subulatu-acuminulata vel nui- 

 cronata (subpungentia) , margine magis minusve undulata; pedicellurum articulus 

 superiur demum sepalis externis sublongior ; perianthium sub anthcsi albo- vel car- 

 iieo- et violacco- vel saiiguineo-variegatum , vix lineam longum; sepala interna orbi- 

 cularia vel ovato-orbicularia , basi truiicata vel subcordata, sepalis externis reflexis 

 subduplo raajora; achaenium acutiusculum (faciebus ellipticooblongis) , periantliio 



