Microcachrys 3. 
Micrococcus phosphoreus Chn. 122, 343 
Microcoleus sp. 91. 
Mieroglaena Hassei Zhlbr. 41. — sych- 
nogonoides Zhlbr. 41. 
Miecrostylis chlorophrys 118. — Lowii 
117. — metallica 118. — Reidii 118. 
— sSeottii 118. — sp. 296. 
Mirabilis Jalapa 62. 
Mnium 501. — sp. div. 373. 
Moehringia Bavarica (L.) Fzl. 259. — 
Bornmülleri Ang. 259. — ciliata X 
muscosa 362. — diversifolia Doll. 
37, 259. — hybrıda Kern. 362. — 
Malyi Hay. 259. — Ponae 259. — 
sp. div. 367. 
Molinia altissima Lk. 203. arun- 
dinacea Schreb. 204. — coerulea 204. 
Mollisia sp. 13. 
Mollisiella Austriaca Höhn. 464. 
Monilia aurea (Lk.) f. effusa Sacc. 308. 
Monophyllaea 38. — Horsfieldiü R. Br. 
387, 393. 
Moraceae 353. 
Morus 354. — alba 354. — nigra 354. 
Mosenodendron Fr. 127. 
Mulgedium 342. 
Museci 341. 
Myosotis sp. div. 451, 464. 
Myristica 307. 
Myrrhis sp. 449. 
Myrtaceae 498. 
Myrtus 332. — cummunis 268. 
Myzxobacteriaceae 497. 
Mysxococcus 386. — incrustans Zdb. 
309. 
Myzxormia 464. 
N. 
Najas marina 129. — minor 129. 
Napicladium laxum 174. 
Nardia Breidleri (Lpr.) 188. — con- 
densata 251. — Funckit v. decipiens 
Mass. 98. — gracilis Mass. 169, 282. 
Nardiocalyx 252. 
Nasturtium 385. — officinale 60, 112, 
— palustre D. ©. 468. 
Navieula mutica Ktzg. 130. — sp. 9. 
Neckera sp. 373. 
Nectria moschata 42. — sp. div. 12, 
175. 
Neorehmia Höhn. 46. 
Nepellaphyllum pulchrum 118. — tenui- 
folwum 118. 
Nepeta sp. 451. 
Nephrodium sp. div. 30, 184. 
Neptromium lusitanicum (Schr.) 148. 
Neslia sp. 445. 
525 
Nigella arvensis L. 495. — divaricata 
Arcang. 495. — — FI. Hisp. 495. — 
glaucescens Guss. 495. — satıva 63. 
Nitella sp. 93. 
Nummularia sp. 163. 
0. 
Ochrolechia sp. 246. 
Odontites 220. — sp. div. 297. 
Oedogonium sp. 93. 
Oenanthe aquatica (L.) 389. 
Oenothera 464. — erythrosepala Borb. 
464. 
Ohleria sp. 160. 
Olea 179, 285. 
Olmedia 354. 
Oncidium paprlio 119. 
Onobrychis sp. div. 50, 52, 384. 
Onoclea sensibilis L. v. interrupta Mx. 
30..— sp. 201. 
Ononis alopecuroides 61. — fruticosa 
61. — sp. div. 105, 365. 
Opegrapha Chevallieri Lght. 148. — 
Duriaei (Mt.) 148, 152. grumu- 
losa Duf. 148, 152. — sp. div. 150, 
152. — Umbellulariae Zhlbr. 41. 
Ophiobolus affınis Oud 12. — — Sacc. 
12. — brachysporus F. R. 12. — 
eusporus Sce. 12. — herpotrichus 
(Fr.) 12. — Morthieri Sce. Berl. 12. 
— sp. div. 12, 161. 
Ophioglossum sp. 166. — 
129. 
Ophrys sp. 296. 
Opuntia missouriensis 107, 108. 
Orchidaceae 307, 384. 
Orchis sp. div. 85, 258, 296, 428. — 
tridentata Scp. v. albiflora, brachy- 
loba, lineata, unidentata Waisb. 304. 
Oreochloa sp. 203. 
Origanum 161. 
Ornithogalum sp. 166. 
Orobanche sp. div. 419, 453. 
Orobus niger 61, 111. 
Orthotrichum  Lyellüi v. crispatum 
Schffn. 123. — sp. div. 373. 
Oscillaria 92. — sp. 9. 
Ovularia Bornmülleriana Mgn. 384. 
— Mulgedii Bub. 342. 
Oxygraphis. 103. 
Oxyria sp. 297. 
Oxytropis sibirica 62. — sp. div. 365, 
448, 
vulgatum 
Pr; 
Pachypleurum sp. div. 415, 450. 
Paeonia sp. div. 51, 362. 
Paliurus 179. 
