— 31 — 



Matzenbrunnen, Dietendorf 1. Hausskn.!), Hercynia (Nordhausen), Silesia. Helvetia: Ziiricli. 

 Austria: Austr. inf. (Florisdorf, Kottingbrunn). Hungaria: Geising. Bosnia. Herce- 

 govina. Suecia. AngHa. 



Tab. 172, 1 — 2. R. Schulzei Hausskn. (Orig. e manu d. M. Schulze). 1. Inflores- 

 centiae fructiferae pars. 2. Fructus (+). 



b) R. inundatus (conglomeratus 'Xlingulatus) Simk. in Term. Fiiz., X (1886), 183 et 

 Enum. Transs., 471; Rechinger in Kern. Sched. ad fl. exs. austro-hung., nr. 3077. — Habitus 

 foliaque B. crispi. Inflorescentiae rami elongati; verticiUi inferiores remoti, superiores 

 aphylli, aggregati. Pedicelli graciles, valvis duplo longiores. Valvae ovali-triangulares, 



3 tnm longae, longiores quam latae, in margine saepius denticulatae, omues caUiferae. CaUi 

 grossi, oblongi, saepe inaequales, majores, ^^^ longit. valvarum aequantes. 



A B. erispo y. lingulato differt valvis duplo minoribus, omnibus caUiferis, angustioribus 

 et versus apicem protractis, a B. conglomerato longius abest toto jam habitu, verticiUis 

 appropinquatis, valvis ovaUbus, majoribus, dilute coloratis, pediceUis tenuioribus eas longe 

 superantibus. 



Hungaria: Transsylvania, in vaUe Hatszegiensi pr. Varalja (Sim.!) inter parentes. 



Exsiccatae: Kern., Fl. exs. austro-hung., nr. 3077. 



Tab. 172, Fig. 3. Fructus R. inundati Simk. (Orig.) 



20. R. conglomeratus x hydrolapathum. — a) R. digeneus m. = B. hylridus Haussku. 

 in Mitt. geogr. Ges. Thur., HI (1885), 69 (Vidi org.) non Kindb. (1880). — FoUa basaUa sub- 

 coriacea, oblongo-ovalia, basi truncata, apice acuminata (in planta auth. oblonga utrinque 

 attenuata). Rami erecto-patentes. VerticiUi sparsim |oUati, dense aggregati. PediceUi 

 brevissimi, fi-uctum vix aequantes. Valvae late ovales, antice attenuatae, apice obtusae, 



4 mm longae, omnes caUiferae. CaUi magni, ovato-oblongi, longit. ^j^ valvarum aequantes. 

 Habitus foliaque R. hydrolapathi; fructus bene intermedii. 



Germania: RoUsdorf (Hausskn.)! 



Tab. 176, 1 — 3. R. digeneus m. 1. Inflorescentiae fructiferae ramus inferior. 2. FoUum 

 basale (dimin.). 3. Fructus (+). 



21. R. conglomeratus X obtusifolius. — a) R. abortivus Ruhm. in .Jahrb. bot. Gart. Berlin 

 I, 253; cfr. Hausskn. in Mitt. geogr. Ges. Thiir., IH (1885), 72; Murb. in Bot. Not. (1899), 

 29. — Folia inferiora longe petiolata magna, iis R. obtusifolii simUia, oblongo-ovata, basi 

 subcordata, in apice obtusa v. acuta, media in basi cordata, suprema lanceolata. VerticiUi 

 fere ad apicem foUati. PedicelU summum 1-5 X valvis longiores. Valvae ovali-oblongae, 

 in apice productae et obtusae, integrae v. basim versus parvule denticulatae, 3-5 — 4-7 mm 

 longae, 2 — 2.5 mm latae, plurimum omnes caUiferae. SteriUs. 



Haussknecht 1. c. formas sequentes observavit: I. subobtasifolius Hausskn. 1. c, 72. 

 Habitns R. obtusifolii;, foUa basaUa in basi subabrupte rotundata; valvae nunc integrae nunc 

 denticulatae, 1—3 caUosae. F. sterilis Hausskn. ibidem, e basi ramosissimus, abnormis esse 

 videtur. 2. subconglomeratus Hausskn., 1. c, 73, a R. conglomerato imprimis valvis latioribus 

 inaequaUter denticulatis, majoribus, omnibus callosis difi^ert. 



Germania: Thuringia, Mecklenburg, Brandenburg, Westfalen, Rheinpreussen, Schlesien, 

 Baden. Helvetia. Austria: Austria inf. (Wien). Bosnia, Hercegovina, Dania (Born- 

 holm), AngHa. 



