— 11 — 



majusculi. Sepala extus glabra, intus tomentella, acuta, reflexa, torum superantia. Petala 

 orbicularia, alba, staminibus conspicue breviora, — 6 mm longa. Folliculi estus gibbi, pluri- 

 mum plus minus puberuli, stylo recto terminali, dehiscentia basi fisso praediti. 



Occurrit folliculis glabris (= leiocarjpa Borb. in Nov. lap. [1890], 69) et pilosis 

 (= trichocarpa Borb., 1. c). 



Crescit iri saxosis, fruticosis et silvaticis montanis et subalpinis ab Alpibus orientalibus 

 usque ad Sibiriam orientalem. — Austria: Stiria australis: Cilli, Tliffer, Trifail; Carinthia", 

 Camiolia: Idria (leg. Scopoli) etc; Gorizia: Mte. Santo (Wulfen), Sabotina; Istria: Storic; 

 Galicia orient. Copiosius in Croatia, Bosnia: Vlasic (Sendtner) etc, Hercegovina: PlaSa 

 (Beck) etc, Montenegro, Serbia et terris balcanicis. Hungaria (excl. occident.), Trans- 

 silvania. Saepissime in hortis colitur et frequenter ex iis effugit. — Floret Majo, Junio- 



Exsiccatae: Reich., nr. 1934; Kern., Fl. exs. austro-hung., nr. 442; Sendtn., Bosn.i 

 nr. 981; Magn., Fl. select., nr. 2448; Heuff., Banat., nr. 122; Schultz, Herb. norm., nov. ser., 

 nr. 2629. 



Tab. 150. Spiraea ulmifolia Scop. I. Ramus florifer, 2. fructifer. 3. FIos longitud. 

 sectus. 4. PistiUum longitud., 5. transversim sectum. 6. Fructus. 7. FollicuU. 8. Semina. 

 (3-8 +). 



Sp. Chamaedryfolia L., Spec, 489 (1753) = Spiraea chamaedryos foliis Amm., Stirp. 

 rar. ruth., 190, nr. 269, a d. Linnaeo in Sibiria indicata, diS^ert foliis angustioribus, ellipticis 

 lanceolatisve, supra mediam inaequaliter serratis vix incisis, floribus saepissime minoribus, 

 sepalis obtusioribus margine puberulis, intus non tomentellis, ramentis conspicue pilosis. 

 Opinione autorum [Regel et Korn. in Reg., Gaiienfl., VII, 48; K. Koch, Dendrolog., 816; 

 Kem. in Ost. bot. Zeit. (1869), 140—141; Maximowicz in Act. hort. Petrop., VI (1879), 

 186 — 187], cjuam plane approbo, planta genuina congruit cum Sjp. flexuosa Fisch. (apud 

 Cambcss., Monogr. Spirees in Ann. sc nat., I (1824), 365 (errore typogr. 265), t. 26. — 

 Sp. chamaedryfolia v. flexuosa Maxim., 1. c, 181. — Karo, Pl. Dahur. exs., nr. 36.] 



Sect. n. Calospira C. Koch in Regel, Gartenfl., IH (1854), 397; Koehne, Dendrol., 

 211. — Corymbi corymbis simplicibus compositi. Flores interdum polygamo-dioeci. Petala 

 in nostris alba. — Spec. nr. 5 — 6. 



5. Spiraea decumbens Koch in Mert. Koch, Deutschl. FL, III (1831), 433; Sturni, 

 DeutscW. FL, Heft 62, c tab. (1833); Graf in Ost. bot. Woch. (1854\ 22; Maxim. in Act. 

 hort. Petrop., VI, 207; Asch. Graebn., Syn. mitteleurop. Fl, VI, 19. — S. fiexuosa Reich., 

 FL Genn., 627 (1832) non Fisch. — Frutex humilis, decumbens, ramis prostratis v. ascen- 

 dentibus, —5 dm longis, glabris. Folia obovalia v. oblonga, in petiolum brevem pius minus 

 cuneato-attenuata, apice obtusa vel rotundata, excepta basi inaequahter acute et cartilagineo- 

 mucronato-serrata vel biserrata, subtus minute puberula, glabresceutia v. glabra. Corymbi 

 temnnales, corymbis simplicibus paucifloris compositi, glabri. Flores poiygamo - dioeci. 

 Pedicelli eiongati, graciies. Sepaia acuta, intus modo puberula. Petaia alba in floribus 3 

 staminibus breviora. Styii terminales. 



Crescit in saxosis et glareosis caicareis Aipium 460 — 800 m s. m. — Carinthia(!): 

 In valie Canalense prope Pontafei, Leopoldsliirchen , in valie Seisera, Gamswurzgraben pr. 

 Raibi, Foroiach. Venetia(!): prov. Udine inter Pontebba et Resiutto, pr. Amaro, Venzone, 

 Gemona. In vaiie Resia, inter Amaro, Toimezzo Zuiio-Arta; in mte. Marianna et S. Simeone 

 (Graf). In Carnioiia non crescit. — Fioret Majo — Junio. 



