Übergangsgebirge, fossile Flora — Urococcus insigne var. regularis Schmidtle251 
Übergangsgebirge, fossile Flora. 26, 532; 
35, 541 
Ugni Turcz., et spp. 81, 711 
Ukraine, Kryptogamenflora. 30, 189 
Ulex europaeus, Morphologie. 43,23,759; 
58, 311 
—, Entwicklung. 43, 449 
Ulmus americana, suzammengewachsene, 
bei Chester, Pa. 51, 78 
— effusa, Keimung. 40, 573 
— montana var. pendula, negativer Geo¬ 
tropismus. 89, 218 
—, alte Exemplare. 48, 95 
—, Blutung. 65, 528 
—, Galle. 90, 70 
—, spp. crit. 34, 42; 36, 185 
Ulocodium Massai. 38, 374 
— odoratum Massai. 38, 375 
Uloptera Fenzl. 26, 460 
— macrocarpa Fenzl. 26, 460 
Ulota vittata Mitt. 69, 347 
Ulothrix Ktz., aerophytische spp. 71, 259 
— zonata, Makrosporen, Gruppierung. 
59, 279 
Ulva, Übersicht. 39, 48 
Umbelliferae, Blatt, Morphologie. 83, 223 
—, Blüte, Mißbildung. 53, 202 
—, Morphologie. 43, 422 
—, Österreich. 47, 586 
—, Samenschale. 73, 295 
—, Scheinwirtel (Blätter). 42, 39 
—, Wurzel. 32, 17, 721 
Umbellularia Californica Nutt., Holz, Ana¬ 
tomie. 71, 397 
Umbilicaria atro-papillulata Colm. 52, 499 
— crassa Colm. 52, 500 
— Krempelhuberi Müll. Arg. 72, 64 
— sclerophylla . 45, 82 
—, Reaktionen. 52, 387 
—, spp. crit. 58, 303 
—, Tyrol. 27, 136 
—, Übersicht. 43, 417 
Umbilicarieae, Apothecien. 47, 330 
Umbilicus pendulinus, Knolle, Morpho¬ 
logie. 52, 280 
—, spp. auf Sizilien. 70, 144 
Uncinia longispica Boeck. 41, 650 
— Moseleyana Boeck. 61, 170 
— rigida Boeck. 65, 64 
Uncinula, Perithecien. 88, 355 
Ungarn, Donauländer, Vegetation. 47, 101 
—, Exsiccate; s. Exsiccate. 
—, Heideflora. 40, 49 
Unger, F., Biographie. 54, 361 
Unona, spp. crit. 52, 300 
Unterirdische Pilze. 29, 268 
Unterständiger Fruchtknoten, Entwicke¬ 
lung. 73, 85 
Uralepis Nutt., spp. crit. 38, 425 
Uranthera Naud. 28, 406 
Urceolaria actinestoma Pers. 56, 199 
— bispora Kph. 61, 495 
— citrina Tayl. 71, 536 
— constellata Müll. Arg. 67, 669 
— deuteria Nyl. ' 69, 321 
— diffracta Müll. Arg. 72, 65 
— erubescens Hook, et Tayl. 71, 537 
— interpediens Nyl. 63, 11 
— recondita Krph. 59, 173 
— scruposa var. cinereo-caesia Müll. Arg. 
72, 65 
-var. minor Müll. Arg. 68, 506 
— scruposula Nyl. 55, 430 
— stictica Krb. 47, 267 
— subsordida Nyl. 56, 199 
— viridescens Fee. 68, 506 
—, fränkisches Jura. 67, 415 
—, spp. crit. 44, 619 
Uredineae, Bau der Sporenmembran. 
74, 140 
—, Entwicklung. 46, 177 
—, Morphologie. 38, 724 
—, Revision. 37, 259 
Uredo angiosperma Thm. 61, 443 
— Aspidiotus Peck. 62, 106 
— aterrima Thm. 61, 355 
— Betae Pers., Entwickelung. 52, 476 
— Caraganae Thm. 64, 254 
— Cephalandrae Thm. 61, 355 
— Ficus Cast. 63, 478; 64, 255 
— Goebeliana P. Magn. 84, 176 
— Helianthemi Rabenh. 33, 626 
— Leguminosarum (Lk), varr. 33, 626 
— Lepiselinis Thm. 60, 410; 64, 255 
— Lespedeziae Thm. 61, 94 
— lucida Thm. 59, 570; 63, 321 
— Marrubii Rabenh. 33, 626 
— mixta Duby. 62, 109 
-f. Salicis capensis Thm. 58, 380 
— Myrsiphylli Thm. 60, 410 
— Peckii Thm. 60, 173 
— Pelargonii Thm. 61, 355; 62, 106 
— Schanginiae Thm. 62, 106 
— Secales Rabenh. 32, 209 
— sempertecta Thm. 59, 570 
— Sherardiae Rostr. 63, 321 
— Thermopsidis Thm. 62, 106 
— transversalis Thm. 59, 570; 63, 321 
— Vincae DC. 63, 323 
— Zehneriae Thm. 60, 410 
Urera baccifera, Same, Entwickelung.98,445 
— Kaalae Wra. 57, 542 
— Sandwicensis Wedd., et varr. 57, 540 
Urgebirge, Pflanzen auf. 32, 312 
Urobasidium Giesenh. 76, 139 
— rostratum Giesenh. 76, 139 
Urococcus insigne var. regularis Schmidle. 
78, 45 
