Hypnum arcuatum 38 



" cupressiforme var. impon- 



ens 46 



" dilatatum 58 



" eugyrium 58 



" giganteum 39 



" Patientiae 38, 64 



" Schreberi 42, 58, 59 



Isopterygium micans 17 



" Sarasini 28 



Isothecium myosuroides 56 



Jamesoniella autumnalis 30 



" subapicalis 30 



Jungermannia atrovirens 30 



" Bolanderi 16 



" caespiticia 30 



" catenulata 31 



" cordifolia 30 



" danicola 16 



" Hatcheri 30 



" Hornschuchiana. ... 30 



" lanceolata 30 



" pumila 30, 51 



" Rauiana 16 



' * riparia 30 



" Schiffneri 30 



" sphaerocarpa 30 



Lecanora 60 



" albella 25, 73 



" chlarotera 68 



" cinereocarnea 68 



" coilocarpa 25 



" granosa 68 



" saxicola. 25 



" subfusca 25, 73, 74 



'* subgranulata 68 



varia 25, 73, 74 



Lccidea 74 



Leioscyphus 30 



Lejeunea cavifolia 21, 31 



clypeata 53 



" floridana 16 



" laetevirens 53 



" Macounii 40 



" ovata 53 



patens 53 



" Ruthii 50 



" ulicina 53 



" unciloba 53 



Lepidopilum poly trichoides 66 



Lepidozia reptans 21, 51 



Leptobryum pyriforme 64 



Leptogium 60. 61, 71 



" bullatum 63, 72 



" foveolatum 72 



" lacerum 72 



" marginellum 72 



" phyllocarpum . . 72 



" " var. isidiosum72 



*' tremelloides 72 



Leskea obscura 55 



Leucobryum albidum 17 



" crispum 65 



" glaucum 5, 20, 80 



Leucobryum Krempfii 28 



" martianum 65 



Leucodon brachypus 55 



" julaceus 55 



Leucodontopsis floridana 17 



Leucoloma albocinctum 28 



" annamense 28 



" Krempfii 28 



" sarcotrichum 27 



" serrulatum 66 



" Taylori 27 



Leucomium debile 28 



" mahorense 28 



Lobaria 6a 



" crenulata 71 



" dissecta 71 



" quercizans 71 



Lopadium leucoxanthum 73 



Lophocolea bidentata 51 



" heterophylla 52 



" Leiboldii 16 



Lophozia attenuata 30 



" bantryensis 30 



" Baueriana 30 



" bicrenata 52 



" elongata 16 



" Corbieri 47 



" gracilis 30 



" harpanthoides 16 



" incisa 51 



" Jenseni 16 



" Kaurini. . . 15 



" murmanica 16 



" Vahliana 16 



" ventricosa 52 



Macromitrium adelphinum 28 



" mucronifolium 17 



" Sarasini 28 



trinitense.65, 67 (PI. 



IV, f. 1-12) 



Madotheca 31 



" porella 31 



" platyphylloidea 21 



Marchantia 7 



" domingensis 16 



" paleacea 16, 47 



" polymorpha 6 



Marsupella arctica 15 



" Bolanderi 16 



" condensata 16 



" groenlandica 16 



" Sullivantii 51 



Meesia uliginosa 47 



Mesoptychia Sahlbergii 16 



Metzgeria angustata 16 



" conjugata 50 



" crassipilis. . . _ 50 



" uncigera 16 



Microlejeunea Cardoti 16 



Ruthii 16 



Microthelia thelena 73 



Mielichhoferia paradoxa 9 



Mittenothamnium diminutivum. . . 17 

 " volvatum 66 



