Marcgravia cuyuniensis—Merillosphaera africana 799 
Marcgravia cuyuniensis 397 
— purpurea 397 
Marchantia 643, 652, 705 
— paleacea Bertol. 668 
— palmata 650 
— planiloba 650 
— polymorpha 300, 640, 646, 649, 
650 
Marchantiaceae 697, 699 
Marchantiales 271, 641 
Marchesinia Mackaii 
663 
Marianthus lineatus 454 
Marrubium deserti 482 
Marsupella alpina 687 
— apiculata Schiffn. 662 
— aquatica 687 
—  condensata 666 
— nevicensis 687 
— sphacelata 687 
— Sullivantı 687 
— ustulata 667 
Masdevallia muscosa 429 
Martinellia 657 
— scandiea Arnell* 657 
— tundrae Arnell 657 
Mastigobryum ambiguum Lindenb. 700 
— Merrilleanum Steph. 714 
Mastigocladus laminosus 36 
Mastigocoleus (Lagerh.) Carter N. 6. 
1073 
— obtusus 165 
Mastogloia Smithi Thw. 152 
Matteuceia orientalis 567 
Matthiola 283, 468 
— incana 275 
Maxillaria rufescens 401 
Mayaca 350 
— fluviatilis 314 
Medicago laciniata 482 
— sativa 408 
Medusa seintillans Macart. 189 
Meesea uliginosa Hedw. 652, 733 
Megachilidae 412 
Melampsora 268 
— reticulata 268 
Melampyrum 557 
—- arvense 455 
Melandryum apetalum Fenzl 465 
— triflorum Vahl 466 
(Hook.) Gray 
Melanorrhoea usitata 323 
Melanotheca N. A. 15 
Melia 332 
— azedarach 379 
— Candollei 323 
Melica altissima 317 
Meligethes 410 
— pieipes 405 
Melobesia 34, 137. — N. A. 242 
— subgen. Eumelobesia Fosl. 236 
—  chamaedoris 236 
—. corchorifolia 349 
— Zia1:n0sas O2 
— ‚Lejolisii 114, 132 
Melon 08, 0, 72, Te Tas — No A 
196 
— sell. 
— sect. 
—. sect. 
— sect. 
Decussatae 74 
Doliosirae 74 
Heterostriatae 74 
Laevigatae 74 
— sect. Rectistriatae 74 
— sect. Sigmostriatae 74 
-—— Zarenamaml 02063 
— baikalensis Wislouch* 74 
— Binderana 74 
—. Borreri 70 
— distans 74 
— granulata 74 
— italica 74 
— Juergensii 70, 263 
— striata 74 
— valida 74 
—- werkam Ta, a ll 
Melosirineae 313 
Membranoptera 111, 115. — N, A. 
242 
Meneshiniella Setch. et Gardner N. @. 
226 
Menispermum 274, 312, 345 
Menoidinium 61 
Menoidium pellucidum var. elavatum 
Playj. 
Mentzelia multiflora 406 
Merceya ligulata 695 
Mercurialis perennis 290 
Meridion 49 
— eireulare 129 
Merillosphaera Shaw N. 6. 92, 217 
— africana (West.) Shaw* 92 
