Systematik und Pflanzengeographie. lOT 



Achenia with long, plumose, persistent styles ; outer stamens often sterile ; 

 involucre remote from the flower, 3 leaved; radical leaves digitately much 

 divided. 1. Pulsatilla. 



Achenia glabrous, pubescent, or wolly, with short, subulate, not plumose 

 ütyles ; stamens all antheriferous ; involucre remote from the flower or flowers, 

 1 — 3 ieaved, the leaves sessile or jietioled, radical leaves various. 2. Anemone. 



Acheuia pubescent, short - beaked ; stamens all antheriferous; involucre 

 approximate to the flower, 3 leaved, calyciform, the leaves sessile. radical leaves 

 petioled, 3 lobed or sometimes 5 — 7 lobed. 3. Hepatica. 



Achenia? carpels densely villous-pubescent ; style glabrous: tilaraeuts all 

 antheriferous ; involucre ; leaves petioled, entire. 4. Capethia. 



Achenia cylindric; style filiform; stigma papillose ; outer stamens dilated 

 and petaloid ; involucre 5 — 6 leaved or 5 — 6 lobed, eontiguous with the flower; 

 radical leaves enlire, lobed or bifid. 5. Bameoudia. 



Achenia columnar, terete, deeply grooved, the stigma sessile and trun- 

 cate ; stamens all antheriferous ; involucre distant from the flower, of 2 —3, 

 sessile, ternate , long-stalked leaflets; radical leaves 2 — 3 ternately Compounds 



6. Syndeamon.. 



Es werden beschrieben mit Angabe genauer geographischer Ver- 

 breitung, der Synonymen, Abbildungen, Beschreibungen u. .«. w. : 



Pulsatilla hirsutissima Pursh, P. occidentalis S. Wats., Anemone decapelala 

 Ard., tridentata Vahl, Caroliniana Walt., sphenophylla Poepp., parviflora Mchx.^ 

 Drummondii S. Wats., multifida Poir., Virginiana L., cylindrica A. Gray, Teto- 

 nensia Porter nov. spec, A. Richardsonii Hook., deltoides Dougl., quinquefolia 

 L., trifoUa L., Orayi. Behr, Lyallii nov. spec, Canadensis L., rigida C. Gay, 

 Anfucensis Poepp., hellehorifolia DC, Peruviana nov. spec, Sellowii Pritz., Gla~ 

 zoviana Urban, Mexicana H. B. K., Hemsleyi nov. spec, narcisaiflora L., Jame- 

 soni Hook., hepaticifolia Hook. — Hepatica Hepatica L., acuta Pursh. — Capethia 

 integrijolia DC, Weddellii nov. spec. — Bameoudia Chilensis C. Gay, major Phil.,. 

 Domeykoana Leybold, Balliana nov. spec. — Syndesmon thalictroides L. 



Ausgeschlossen sind bezw. als zweifelhaft betrachtet: 



A. nudicaulis A. Grav und anomala Raf. 



E. Roth (Halle a. S.). 



Britton, N. L., A list of species of the genera Scir^us 

 and Rhynchospora occtirring in Nor th - America. (Trans- 

 actions of the New-York Academy of Sciences. Vol. XI. 1892. 

 No. 3—5. p. 79-93.) 



Eine Aufzählung mit Synonymen, geographischer Verbreitung, Ver- 

 öflFentlichungsorten u. s. w. : 



Scirpua nanua Spreng., var. anachaetus Torr., pauciflorus Lichtf., pumilus 

 Vahl, caeapüosva L., Clintoni A. Gray, planifolius Muhl, subterminalia Torr., 

 cermata Vahl, carinatus H. et A., Cuhenais Poepp. et Kunth, Mexicanua Clarke 

 ined., Potbainus Clarke ined., Hallii A. Gray, debilis Pursh, Smiihii A. Gray, 

 mucronatua L., Americanus Pers., var. longespicatua nov. var. , Nevadenaia S. 

 Wats., Olneyi A. Gray, Torreyi Oluey, cylindricua Torr., lacustria L. , var. 

 occidentalis S. Wats., Californieus C. A. Meyer, maritimua L., robustus Pursh^ 

 ßuviatilis Torr., criniger A. Gray, rufus Huds., ailvaticua L., microcarpus Presl., 

 atrovirena Mühl., var. pallidus Brittou, divaricatua Elliott, polyphylloa Vahl, 

 Pechii nov. spec, cypennua L., var. eriophorum Mchx., lineatua Mchx. 



Rhynchospora Mexicana Liebm., globosa R, et S., cyperoides Sw., Tracyif 

 corymbosa L., corniculata Lam., var. macrostachya Torr., var. j^o^mZo Chapm., *cm- 

 tellata Griseb., Orizabenais Clarke nov. spec, ined., corymbifera Nees, Schiedeana 

 Kunth, var. varica Clarke ined., polyphylla Vahl, Tuerckheimii Clarke nov. spec. 

 ined., acirpoidea Torr., nitens Vahl, corymbiformis Benth,, robuata Kunth, eximia 

 Nees, 7'ufa Nees, micrantha Vahl, tenuia Link, pusilla Curtis, divergeiia Curtis, 

 Chapmannü Curtis, pallida Curtis, oliganlha Ä. Gray, plumosa EIL, intermedia 

 Chapm., ttemiplumoaa A. Gray, alba L., var. macra Clarke, capillacea Torr., var. 

 laeviseta G. J. Hill., Kaieskemii Carey, glomerata L., var. paniculata Ä. Gray^ 



