186 
Oidium Verbenacae Pass. — Opegrapha interabicans Fee. 
— Verbenacae Pass. 61, 109 
— Violae Pass. 62, 127 
Oldham, R., Nekrolog. 50, 16 
Olea Lorentii Höchst. 28, 27 
— Sandwicensis Gray. 57, 548 
—, Lebensdauer. 97, 417 
Oleaceae, Samen, Entwickelung. 88, 300 
—, Schildhaare. 69, 408 
Oleaster, Geschichte. 41, 513 
Olfersia Cervina Kze., Sporophyll. 80, 342 
Olibanum, Harz zum Weihrauch benutzt. 
31 , 12 
—, Gebrauch. 
Olivenbaum, altes, auf Mallorca. 
Olneya Gray. 
Olyra, Gefäßbündel. 
Omalia Besseri De Lobarz. 
Ombrophila Morthieriana Rehm. 
Omphalaria arabica Müll. Arg. 74, 371 
— cribellifera Nyl. 67, 387 
— deusta Tuckerm. 59, 558 
— frustillata Nyl. 68, 295 
Omphalaria intricata Arn. 
39, 649 
51, 271 
38, 588 
72, 414 
31, 687 
63, 313 
— polyglossa Nyl. 
— prodigula Nyl. 
— tiruncula Nyl. 
Omphalarieae, spp. 
crit. 
52, 254; 
62, 360 
59, 558 
62, 353 
61, 338 
39, 209 
Omphalodes linifolia, Morphologie. 43, 675 
— scorpioides, Keimung. 
-, Morphologie. 
— verna, Morphologie. 
—, Inflorescenz. 
Omphallophallus Kalchbr. 
— Müllerianus Kalchbr. 
Onagrarieae, Morphologie. 
Oncidium Cavendishianum Batem., Blätter. 
66, 456 
— Ceboletta Spr., Blätter. 
— fallens Rchb. f. 
— mendax Rchb. f. 
— microchilum Batem. 
— oloricolle Rchb. f. 
— saltabundum Rchb. f. 
— salvum Rchb. f. 
— Schmidtianum Rchb. f. 
— sphacelatum Ldl., Morphologie. 66, 470 
sphegiferum Ldl., Morphologie. 66, 471 
40, 45 
64, 481 
43, 675 
94, 410 
66, 95 
66, 95 
43, 220 
66, 451 
69, 549 
69, 549 
66, 457 
71, 151 
65, 534 
48, 278 
69, 549 
Oncocarpus Gray. 
Oncosperma Bl., diagn. emend. 
38, 398 
Scheff. 
55, 206 
55, 207 
43, 88 
80, 341 
— horrida Scheff. 
Onobrychis sativa, Morphologie. 
Onoclea sensibilis, Sporophyll. 
— struthiopteris Hoffm., Sporophyll. 80, 
352 
Ononis hircina, Morphologie. 43, 32 
— repens, Morphologie. 43, 31 
— rigida Kze. 29, 634 
— spinosa, Morphologie. 43, 31 
— virgata Kze. 29, 760 
—, kleistogame Blüten. 98, 191 
—, Morphologie. 43, 31; 47, 552 
—, Wurzel, Wachstum. 39, 674 
Onosma dalmaticum Scheele. 26, 560 
— tripartitum Höchst. 28, 28 
—, spp. crit. 26, 560 
—, spp. auf Sizilien. 67, 629 
Onychium auratum Klfss., Sporophyll. 
80, 350 
Onychonema filiforme (Ehbg.) Roy. et Biss. 
var. ornata Schmidle. 78, 49 
Oogonium, Mißbildungen, Nitella syncarpa 
88 1 
Oolyse. 65, 209 
Opegrapha actophila Nyl. 63, 13 
— amphotera Nyl. 49, 374 
— areniseda Nyl. 58, 446 
— atra Pers. f. trifurcata (Hepp.) Stizb. 
53, 231 
-var. persicina Müll. Arg. 55, 502 
-virescens Nyl. 52, 85 
— atratula Müll. Arg. 63, 41 
— atro-rimalis Nyl. 47, 488 
— atroviridis Krph. 59, 480 
— atrula Nyl. 60, 565 
— brachycarpa Müll. Arg. 63, 42 
— caesia Müll. Arg. 71, 544 
— capensis Müll. Arg. 71, 207 
— centrifuga Mass. ß athallina Müll. Arg. 
55, 502 
-var. y parasitica Müll. Arg. 55, 502 
— Cerasi Pers. 64, 193 
— Cesareensis Nyl. 51, 477 
— Chevalieri Leight. 70, 162 
— chlorographa Nyl. 49, 293 
— cinereo-virens Krph. 59, 479 
— cireumducta Nyl. 50, 374 
— consimillima Nyl. 69, 321 
— devulgata Nyl. 62, 358 
— diaphoroides Nyl. 61, 453 
— diatona Nyl. 63, 13 
— dichaenella Nyl. 49, 134 
— diffracta Fee. 59, 480 
— dimidiata Müll. Arg. 65, 332 
— emersa Müll. Arg. 70, 63 
— enteroleuca Nyl. 38, 249 
— exaltata Müll. Arg. 66, 350 
— filicina Müll. Arg. 73, 193 
-var. brevis Müll. Arg. 66, 349 
— hapaleoides Nyl. 52, 296 
— herpetica var. astroidea Müll. Arg. 
54, 406 
-var. stellaris Müll. Arg. 66, 349 
— hysteriiformis Nyl. 62, 224 
— insignior var. fusca Müll. Arg. 69, 311 
— interalbescens Nyl. 49, 293 
— interalbicans Fee. 59, 480 
