— 12 — 



23. R. aquatilis L. Cod. 4100. Maxim. Enum. Mongol. n. 26. 



Var. (R. flaccidus Pers.) forma Droueti Hiern in Journ. of bot. IX, 1871, 47, 102. Maxim. 

 Enum. Mongol. n. 26. 



Amjhk bt> GojiOTHbixt 03epKaxi> okojo KyKy-nopa, bt> 6ojbiHOMT> KOjnqecTB^, 15 Iiojh '80 bt. h,b. n njoj,. 

 Tn6eTi>: bt> npy^ax-b no K>JKHOMy 6epery 03epa Opnin.-nopa, 13,500 <i>. h. m., Henacro, 27 Iiojih bt> iiojiii. h,b.; 

 Ha HJiocKoropbT> okojio 03epa AjaKt-Hopa, 14,500 <i>. h. m., 8 Abt. '84 bt> ub. h njo#. — Amdo, Tibet bor. 

 orientalis. — Distr. hemisphaera borealis. 



24. R. Cymbalariae PurshFl. bor. amer. II, 392. Maxim. Ind. Mongol. 480. En. Mong. n. 30. Turcz. Fl. 

 Baic. Dah. I, 51. Hook. f. Fl. Brit. Ind.1, 17, p.p. Franch. Pl. David. 1, 20. Fbes et Hemsl. Ind. Sin. 1, 14p.p. 



Amj/d: no BepxHen* XyaHb-x3, bt> Ma-B 1880 6e3T> o6o3naieHifl ^hh h Mtoa co6p. bt> h,b. h ct> mojoi,. nx 

 Bt> Tn6eTf>: Ha BepmnHt Bo;jopa3J,T>JbHaro xpe6Ta Meayry pp. XyaHb-xa n rojy6oH, bt> ym,ejibH okojio pf>HKn, 

 na rjiHHHCTOKaMeHHCToii noqBf, bt> 6ojbmoMT> KOJiniecTBt h nacTO cnjomHbiMT) kobpomt>, 11 Iiohh'84 bt> u,b. — 

 Amdo, Tibet bor. orientalis. — Distr. China finitima, Mongolia, Sibiria, America borealis. 



Exempla tibetica pertinent ad var. alpinam Ledeb. Fl. Ross. I, 34, foliis apice 3-dentatis 3-lobisve, 

 statura minore. 



25. R. tricuspis Maxim. (sect. Hecatonia DC.) Glaber nanus stolonibus elongatis reptans, foliis coria- 

 ceis omnibus radicalibus, petiolis basi vaginantibus, lamina breviore cuneata tripartita laciniis linearioblon- 

 gis obtusiusculis terminali longiore interdum bi-triloba vel -dentata; scapis folia aequantibus 1-floris, raris- 

 sime bifurcatione ad basin (cum bractea lineari) bifioris sulcatis; petalis 5 aureis obovatooblongis sepala 

 consimilia vix v. non superantibus; capitulis fructiferis globosis, carpellis vix compressis semiobovatis 

 parallele longitudinaliter nervosis in rostrum recurvum breve ensiforme acuminatis; receptaculo globoso 

 piloso. Maxim. Enum. Mongol. n. 29. t. IV. 



Amjifl: no p. HypMbiin> oacceiiiia Bepxneii Xyaiib-xa, 9 — 9500 «i». h. m., no rjniHHCTOMy 6epery qacro, 

 10 Maa '80 bt> h,b.; bt> wnmuewb ajibniiicKOMt iioacb xpe6Ta HaHb-maiib, 8000 *. h. m., y Kjnoqeu, bo mho- 

 ?KecTB'fc, 10 Iio.ih '79 bt> hb. h njiOA- (npnteB.); no rjiHiincTonecHaHOMy 6epery p. JlaHiaca-JyHBa bt> ch- 

 pbixT> MtcTaxT>, 8 Man '85 bt> u;b. (Hot.) — fioribus plerisque imo post anthesin subsessilibus. — Amdo. — 

 Distr. Mongoliae tractus finitimus. 



Modus crescendi, carpella nervosa et receptaculum pilosum B. Cymbalariae Psh., qui tamen foliis 

 ovatis v. rotundatis antice dentatis, carpellis (duplo minoribus) oblique obovatis brevissime recteque rostra- 

 tis atque receptaculo oblongo bene distinguendus. E. Jtypcrboreus Rottb. ex descriptione ob folia saepe 

 pariter 3-partita affinior liabendus, revera toto coelo in eo differt, quod in illo ipsi caules fioriferi decum- 

 bunt repunt et pedunculis oppositifoliis fiorent, folia si plus quam 3-partita ita fiunt divisione laciniarum 

 lateralium nec terminalium, petala sunt obovata, carpella vero laevia corticata enervia. Idem obtinet de 

 foliis fiore fructuque R. pygmaei Wahlbg. estolonosi. 



Bipollicaris luteoviridis. Radix e fibris paucis cylindricis crassiusculis fasciculata. Collum vaginis pau- 

 cis foliorum vetustorum tectum, ex axillis foliorum fiagella usque iy 2 -pedalia emittens filiformia, reptantia, 

 ad intervalla circa 3-pollicai'ia vagina membranacea amplectente late oblonga subaphylla (lamina raro dum 

 adsit breve oblonga) instructa et radicantia, ex axilla vaginae folia rite 3-cuspidata formantia, passim plan- 

 tulam juvenilem fiorentem producentia. Folia radicalia petiolo ex basi vaginata erecta membranacea sensim 

 attenuato arcuato-patente superne sulcato laminam 10 — 15 mm. longam superante, lamina ultra medium v. 

 ad basin 3-partita carnosocoriacea, laciniae obsolete 1-nerviae venis obsoletis; terminalis8 — 10:2 — 3mm., 

 laterales 5 — 7 mm. longae mediae subaequilatae, omnes integerrimae v. media hinc angulo denteve 1 v. 

 2 v. utrinque dentibus lobulisve instructa 3-lobata, lateralibus rarissime latere externo 1-dentatis. Scapus 

 e mediis foliis ortus axillaris, saepissime simplex nudus 1-florus, rarius supra basin bractea basi vaginante 



