Ornithogalum Thunbergianum—Oxytropis Urumovii BT 
Örnithogalum Thunbergianum 204 _ _Osyridocarpus 518 
Orobanchaceae 96, 459, 460. — II, 1, | Osyris II, 177 
92 — abyssinica 518 
Örobanche 460. — II, 110 — alba 518, 699. — II, 122, 207 
— caryophyllacea II, 50 Othonna 84, 103, 673 
— cernua II, 188 Otiophora 506 
— hederae II, 175 ı Otophora 519 
— major 460. — II, 35 Otopappus asperulus 308 
—_ minor IH, 143, 151, 154 ' Otostylis brachystalix (Rchb. f.) 
—Zpieridis IT, 177 | Schltr. 216 
— ramosa 460 , Otozamites 605 
— rubens 459 ı — Bechei 605 
— speciosa 460 ı — bengalensis 605 
Örobus niger II, 43 ı — Feistmanteli 605 
—_ ]Juteus II, 85 ' — Queenslandi 605 
— varius purpureus grandiflorus 428 | —- Zeilleri Berry* 565 
— tuberosus 61 | Ottelia 199 
Orochloa 183  — alismoides 199 
Örophea 97, 102 | — Verdickii 199 
Örothamnus Zeyheri 481 Ottoa 70 
Oroya Britt. et Rose N. @. 276 ÖOttonia palustris II, 188 
Örthachne 185 ' Oudneya 348 
Örthosiphon 101 ' Ouratea 454 
Orthosphenia 298 Ä  Oxalidaceae 460, 110 
Orthotrichum Schawii II, 175 ' Oxalis 695 
Örychophragmus 348 | — acetosella 695. — II, 194 
Öryctanthus 434 | — atropurpurea II, 184 
Orygia decumbens 245 ' — bupleurifolia 70 
Oryza 192 ' — eornieulata II, 194 
— sativa 187 \ — gigantea 460 
Öryzeae 194 | — valdiviana 57 
Osbeckia 442 — violacea II, 206 
— erinita 442 ' Oxyanthus 508 
Oscillatoria corallinae II, 176 | Oxychlamys 392 
Osmanthus 458 | Oxycoccus II, 38 
Osmorrhiza longistylis 546 | — mierocarpus 122 
— —— var. brachycoma Blake* 546 — quadripetalus 122. — II, 80 
— — var. villicaulis Fernald 546 Oxylobium 413 
Osmunda II, 51, 165 ı Oxymitra 250 
— (laytoniana 30 ı — filipes Hook. f. 248 
— lignitum 574 ı Oxyosmyles viscosissima 264 
— regalis 18, 23, 28, 575. — II, 8, 5l, | Oxyaria 473, 474 
63, 64, 165 Oxytenanthera 176 
Ossaea 442 ' — Hayatae Camus* 176 
— Duckeana Hoehne 441 ı Oxytropis 416, 418 
Östeomeles 493 re dinmEzul 
Österdamia 184 ı — lapponica II, 118, 182 
Ostrya 567 ı — pilosa II, 47, 104 
— carpinifolia 261  — thionantha 410 
— japonica 260 | — Urumovi II, 124 
ID 
ID 
Botanischer Jahresbericht LI (1923) 2. Abt. [Gedruckt 24. 1. 33] 
