188 
Orchis. Hybride — Orthotrichum Leikipiae Müll. Hai. 
—, Hybride. 38, 29, 301 
—, tetramerische Blüten. 70, 453 
Oreodaphne bullata N., Holz, Anatomie. 
71, 387 
— foetens, Holz, Anatomie. 71, 388 
— Leucoxylon L., Holz, Anatomie. 71, 389 
Organe, endogene, Entwickelung. 63, 227 
—, Entwickelung. 77, 223 
Orient, Exsiccate; s. Exiccate. 
—, Flora. 28, 25; 30, 289 
Orientierungsbewegungen, dorsiventrale Or¬ 
gane. 76, 265 
Origanum illyricum Scheele. 26, 574 
— latifolium Scheele. 26, 574 
— Onites Savi. 27, 571 
— vulgare var. spicatum Willk. 35, 275 
-, Gebrauch. 46, 263 
Orlaya, Blatt, Morphologie. 83, 283 
—, spp. auf Sizilien. 69, 572 
Ormenis Cass. 43, 433 
Ornithocephalus stenoglottis. 69, 551 
Ornithogalum caudatum, Brutknospen. 
98, 333 
-, Heliotropismus. 43, 689 
— collinum Guss. 68, 96 
— nutans, Embryologie. 57, 373 
— pyrenaicum, Staubblätter. 34, 246 
— umbellatum Kze. 29, 698 
-, Blütenstand. 47, 169 
—, spp. crit. 32, 728; 33, 577 
—, spp. auf Sizilien. 63, 430 
Orobanchaceae, Biologie. 37, 577 
Orobanche angustisepala F. W. Sch. (26,130 
arcuata F. W. Sch. 
— Avellanae Pfund. 
— brachysepala F. W. Sch. 
— breviflora F. W. Sch. 
— crassistyla F. W. Sch. 
— diaphana F. W. Sch. 
— erubescens Saut. 
— Fraasii F. W. Sch. 
— glabriuscula Strobl. 
— grandisepala F. W. Sch. 
— Grenieri Fr. Sch. 
— hygrophila Brügger. 
— Kochii, F. Sch. 
— lilacina F. W. Sch. 
— lycica F. W. Sch. 
— macrosepala F. W. Sch. 
— minor, Keimung. 
— neottioides Saut. 
— parviloba F. W. Sch. 
— punctata F. W. Sch. 
— Sauteri F. Sch. 
— Spruneri F. W. Sch. 
— stigmatodes Wimm. 
— subverticillata F. W. Sch. 
— versicolar F, W. Sch. 
26, 129 
26, 182 
27, 808 
28, 738 
26, 130 
26, 131 
26, 130 
35, 577 
26, 127 
68, 640 
26, 128 
28, 739 
38, 33 
30, 66 
26, 129 
26, 128 
27, 808 
37, 577 
35, 578 
26, 128 
26, 131 
34, 49 
26, 130 
30, 66 
26, 128 
26, 129 
— villiflora Koch. 28, 740 
—, Anatomie. 33, 26 
—, Gebrauch. 46, 264 
—, Keimung. 38, 225 
—, Morphologie. 38, 49 
—, spp. crit. 28, 737; 35, 577; 55, 295 
—, spp. in Griechenland. 26, 125 
—, spp. in Pfalz. 54, 375 
—, spp. auf Sizilien. 68,639; 69, 187 
—, Übersicht. 37, 594 
—, Wachstumsverhältn. 27, 40 
Orobus ciliatus (Guß.) Alef. 45, 275 
— saxatilis Vent. 45, 275 
— subalpinus Herb. 37, 670 
Orophea, spp. crit. 52, 302 
Orthidium (fructificatio).' 73, 202 
Orthochilus Mechowii Rchb. f. 65, 532 
— Renschianus Rchb. f. 65, 532 
— Welwitschii Rchb. f. 48, 186 
Orthodontium denticulatum Geh. et Hpe. 
64, 374 
Orthorrhynchium Balansaeanum Müll. Hai. 
82, 457 
— Beccarii Müll. Hai. 82, 457 
— cj^mbifolioides Müll. Hai. 82, 458 
— cymbifolium Müll. Hai. 82, 457 
—, Morphologie. 96, 94 
Orthostichella capillicaulis Müll. Hai. 73, 
491 
— curvifrons Müll. Hai. 73, 491 
— profusicaulis Müll. Hai. 73, 492 
— sericea Müll. Hai. 73, 490 
— tenellula Müll. Hai. 73, 492 
Orthothecium binervulum Mol. 48, 70 
— strictum Lorz. 48, 70 
Orthotrichum aetnense de Not. 50, 442 
— altum Müll. Hai. 82, 453 
— appendiculatum Schp. 48, 233 
— aristocalyx Müll. Hai. 82, 454 
— Barthii Sendtn. 32, 274 
- a majus Sendtn. 32, 274 
- ß minus Sendtn. 32, 274 
— Blyttii Schpr. 48, 233 
— Breutelii Hampe. 32, 273 
— bullatum Müll. Hai. 70, 223 
— canum Müll. Hai. 82, 454 
— coralloides Duby. 60, 74 
— crenato-erosum Müll. Hai. 68, 420 
— Cumingi Müll. Hai. 82, 452 
— cupulatum Hoffm. ß Rudolphianum 
Schpr. 55, 489 
— diaphanum, Peristom. 84, 151 
— gymnostomum Bruch. 67, 19 
— Hawaiicum Müll. Hai. 82, 451 
— Hillebrandi Müll. Hai. 82, 450 
— incanum Müll. Hai. 68, 419 
— inclinatum Müll. Hai. 68, 419 
— intricatum Müll. Hai. 82, 452 
— Leikipiae Müll. Hai. 73, 483 
