VI — 



Leptogiiim palmatiim 8i 



" pulchellum 8i 



" tenuissimum 8i 



" tremelloides 8i 



Leptolejeunea elliptica 26 



Leptotrichum 54 



" flexicaule brevifolium 56 



" pusillum 58 



" Schimperi 55 



Letharia vulpina ". 83 



Leucobryum glauciim 64 



Leucolejeunea clypeata 26, 27 



Lichen 73. 75 



" aleurites 69, 71 



" ambiguus 69 



" diffusus 72, 73, 74 



Lobaria oregana 78, 81 



" pulmonaria 78, 81 



Lophocolea bidentata 67 



" heterophylla 64 



" minor 67 



Lophozia alpestris 43, 46, 67 



" attenuata 44, 67 



" badensis I3> 67 



" barbata 46 



" bicrenata 46 



" confertifolia 13, 43, 46 



" grandiretis 13 



" Hatched 13, 43, 44 



" heterocolpa 13 



inflata 13, 43, 45 



" Kunzeana •. . 13, 43-46 



" longidens 46 



" longiflora I3> 45 



lycopodioides 43, 44, 46 



" " van obliqua 44, 46 



" Marchica 45 



" quadriloba 13 



" Schultzii 13 



Lycopodium annotinum var. pun- 

 gens 44 



" Selago 44 



Marchantiaceae 46 



Marchantia 18, 19 



" paleacea 18, 60, 61 



" polymorpha 60, 61 



Marsupella 43 



" aquatica 46 



" emarginata 43, 67 



" sphacelata 43 



" Sullivantii 43 



" ustulata 43, 46 



Massalongia carnosa 81 



Megalospora sanguinarius 79 



Metzgeria conjugata 67 



" furcata 13 



" myriopoda 102 



Mnium antiquorum 10 



" cuspidatum 98 



" hornum 67, 98 



" orthorrhynchum 67 



" punctatum 67 



Mylia anomala 45 



Myurella julacea 67 



Nanomitrium 29 



Nardia crenuliformis 13 



" Geoscyphus 13, 43, 46 



" obovata 13, 43, 46 



Neckera pennata 67 



Nephroma helvetica 81 



Nephromopsis cilia ris 83 



" platyphylla 78, 83 



Ochrolechia pallescens 48 



" " var. rosella 48 



" tartarea 82 



Ocotea Catesbyana 26 



Odontoschisma elongatum 43 



Opegrapha macularis 99 



" varia 79 



Panicum amarum 63 



Parmelia 70 (70, fig. 2), 72 



" aleurites 75 



" " var. diffusa 72 



" ambigua 69, 71, 74 



" " var. albescens. . . 69, 75 



" aurulenta 74 



diffusa 74. 75 



" enteromorpha 83 



" Flotowiana 13 



" fuliginosa 83 



" hyperopta 7^. 75 



" lugubris 83 



" obsessa 70. 72, 73 



" perlata 83 



" physodes 75. 83 



" pubescens. 83 



rudecta 48, 69, 71, 74 



" saxatilis 7^.83 



Parmeliella cyanolepra 81 



" , lepidiota 8t 



" microphylla 81 



Parmeliopsis 31. 4-8, 69-74, (70, fig. i) 

 " aleurites 



(PI. XX, fig. 2), 70-75 



" " var. diffusa 



(PI. XX, fig. 3). 72, 74 

 " ambigua 



(PI. XX, fig. 4), 72 



" diffusa 



(PL XX, fig. 5), 70-75 



" hyperopta 75 



" placorodia 



(PI. XX, fig. I), 70-74 



Pedinophyllum interruptum 13 



