Halesia, Pterostyrax. gg 



im Waide (Biltmore, herb. n. 40i7a); Georgia im Walde am Ufer des Savannah-Fluss 

 Bejrich a. 1834); Sumter County im Walde am Flint-Flusse 65 m ü. M. (Harper 

 n. 1060); zuweilen in Gärten der Südstaaten kultiviert (nach Sargent). 



Einheimische Namen: Snow-drop-tree (Süd- Carolina, Alabama, Louisiana, Texas). 



— Silver-bell-tree (Mississippi, Texas). — Gow Licks (Louisiana, nach Sargent). 



— Herb. Berlin, Brüssel, München, Wien. 



3. H. parviflora Michx. Fl. bor. amer. IL (1803) 40; Nuttall, Gen. IL (4 84 8 

 83; A. DG. in DG. Prodr. VlIL (18 44) 270; G. Don, Syst. IV. (1837) 6; Chapman 

 FL S. St. (1872) 272, ed. 3. (1897) 293; Gray, Synopt. FL N. America IL (1878) 71. — 

 Mohria parviflora (Michx.) Britton in Gard. and For. VI. (1893) 434. — Mohrodendron 

 parviflorum (Michx.) Britton, 1. c. [Nov. 1893); Britt. and Brown, lUustr. Fl. N. SUtes 

 and Ganada IL (1897) 598; Small, FL S. East. U. States (1903) 615; Sargent, Silva 

 N. America VL (1894) 19 note. — Carlomohria parviflora Greene in Erythea L (Dec. 

 1893) 246. — Halesia tetraptera parviflora Beissner, Schelle u. Zabel, L c. (1903) 405; 

 Vilmorin et Bois, Fruticetum Vilmorin. (1904) 180. — Frutex; folia iis Styracis tetra- 

 pterae similia, sed minora; corolla albida 8 — 12 mm longa (ex Gray). Fruetus ca. 

 2,5 cm longus, anguste 2 — 4-alatus (ex J. D. Smith). 



Atlantisches Nordamerika: Florida (ex herb. Gray, Nuttall); Clay County, 

 Borders of Swamp, Magnolia (John Donnell Smith); Süd-Georgia und Nord-Florida 

 (nach Sargent). 



Einheimischer Name: Small-flowered Snow-drop-tree (nach Sudworth). 



Nota. Species ut mihi videtur accuratius observanda nondum plane certa; forsan nihil 

 nisi formam nanam H. dipterae vel carolinae sistit, quacum eam nondum conjungere ausus 

 sum, cum species adhuc ab omnibus auctoribus americanis recepta sit. 



Species exclusa. 

 Halesia ternata Blanco, Fl. Fihp. ed. 1. (1837) 399 = Illigera spec. (ex Ind. kew.). 



6. Pterostyrax*) sieb, et Zucc. 



Pterostyrax*) Sieb, et Zucc. Fl. japon. (1835) 96, t. 47; A.DC. in DG. Prodr. VlIL 

 (1844) 269; Walp. Ann. L (1848) 500; Miers, Contrib. Bot. I. (1851 — 1861) 195, 

 t. 31. — Halesia Sect. Pterostyrax Gurke in EngL u. Prantl, Pflzfam. IV. (1891) 177. 



Calyx campanulatus ovario adnatus, dentes 5, breves, distincti, nervis quinque cum 

 dentibus alternantibus. Corollae petala 5, decidua, calycis fauci affixa, nonnunquam ima 

 basi subcohaerentia, in aestivatione imbricata, erecto-patentia. Stamina 10, exserta, a 

 petaHs sublibera, 1-seriata, inaequalia, 5 quam cetera longiora, vel interdum subaequalia, 

 filamentis in parte superiore liberis, latis, in parte inferiore in tubum cylindricum 

 membranaceum lateraliter connatis vel rarissime liberis; antherac oblongae introrsac, 

 loculis linearibus parallelis, longitudinaliter dehiscentibus, basi subcordatis; pollinis granula 

 globoso-triangularia, in quovis angulo poro hemisphaerico notata; ovarium pro maxima 

 parte inferum, 3 — 5-loculare, multiovulatum ; Stylus elongatus subulatus apice obsolete 

 3-lobus; Ovula in quoque loculo plura, medio axi affixa, superioribus ascendentibus 

 inferioribus penduhs. Drupa oblonga, subsicca, calycis dentibus coronata, indehiscens, 

 5-alata, alis interdum fere obsoletis, vel cylindrica utrinque attenuata, 1 0-nervia, abortu 

 1 — 2-locularis, 1 — 2-sperma, tenuiter tomentosa vel densissime hispida. — Fruticos pilis 

 stellatis conspersi. Folia alterna membranacea, argute denticulata. Flores in ramulis 

 hornotinis ex axillis foliorum superiorum et terminales in paniculas subcorymbosas multi- 

 floras congesti, pediccllati. 



Species 3, 2 japonicae, 2 chinenses. 



*) meQoy (ala); fruetus alati. 



7* 



