— IV — 
Lecanora rugosa 77, 78 
subfusca 78 
var. allophana. . . 79 
“ ' “ var. campestris 
77,78 
var. rugosa 79 
symmictera 78 
vitellina 77 
Willeyi 76 
Lecidea albocaerulescens 78 
“ parasema var. ac.hrista. . . . 64 
Leucplejeunea xanthocarpa 90 
unciloba 90 
Lejeuneae 87 
Leieunea Biddlecomiae 59 
“ clypeata 59, 60 
obtusangula 90 
Ruthii 59 
“ spiniloba 89 
Lecothecium 55 
Lepidozia reptans 54, 60 
sylvatica 59 
Leptolejeunea elliptica 14 
hamatata 14 
Leskea (Sect. Hemiragis) 8 
Leucobryum glaucum 94, 95 
Leucodon brachypus 94 
julaceus 94, 95 
Libocedrus decurrens 61 
Lichen 15, 55, 61, 76 
“ complanatus 
33, 40 (PI. VIII, /. 3) 
dilacerata 49 
farinaceus 1 (PI. I, f. 7) 
fastigiatus. . . .5, 7 (PI. II, f. 2) 
fraxineus 20 (PL V, f. 1) 
linearis. . . .25, 26 (PL VI, f. 4) 
populinus. . . .4, 7 (PL II, f. 4) 
reticulatis. . . .23 (PL VI, f. 2) 
retiformis 23 
rigidus 36 
usnea. . . .81, 87 (Pl. XII, f. 2) 
Lobaria populina 4 
Lophocolea minor 29, 54 
bidentata. 60 
heterophylla 54 
Lophozia 13, 41 
attenuata 40, 41 
barbata .41, 47, 53 
Binsteadii 13 
confertifolia 13, 14 
guttulata 13 
heterocolpa 40, 46, 53 
Hornschuchiana 13 
incisa 53, 59 
inflata. 41, 59 
Kaurini 14, 46, 53 
longidens 46, 53 
lycopodioides 40 
Lyoni. 47 , 53 
Marchica 13 
Mildeana 13 
obtusa 13, 14. 40, 41 
Lephozia porphyroleuca 47, 54 
quadriloba 13 
quinquedentata 41 
Schultzii 13 
“ var. laxa 14 
Wentzelii 13 
Marchantiaceae 41, 52, 71 
Marchantia. 41 
polymorpha 52, 58 
Marsupella 40 
emarginata 41, 58, 71 
Sullivantii 14 
Martinella Simmonsii 11 
Megalospora sanguinaria 79 
Metzgeriaceae 52, 71 
Metzgeria conjugata 58-60 
crassipilis 58, 60 
furcata 87 
pubescens 96 
uncigera 87 
Microglaena Hassei 16 
Microlejeunea laetevirens 71 
Microthamnium 8 
Naegeli 8 
Mittenothamnium diminutivum 
n. comb 9 
repens 9 
thelistegum 9 
Mnium 40, 41 
Mollia tortuosa arctica 11 
Musci 11,15 
Myelopoeae (Series Ramalina) 
1-7, 17-23, 33-39 
Mylia anomala 28 
“ Taylori 41 
Myrinia pulvinata 48 
Nardia Breidleri 13 
“ Geoscyphus 14, 88, 89 
“ hyalina 40 
“ Lescurii 88,89 
Neesiella pilosa 14 
Odontoschisma denudatum 59, 60, 71 
elongatum 14, 41 
Macounii 41, 79 
prostratum 59 
Oedicladium rufescens 80 
Opegrapha 46 
Orthotrichaceae 10 
Orthothrichum Lescurii. .. .48, 94, 95 
Oxymitra 72-75, 92, 93.. 
paleacea. .72 *-74, 92, 93.. 
polycarpa 74 
pyamidata 73~75 
androgyna n. sp..93, (72*) 
Pallavicinia Flotowiana 14, 40 
hibernica 14 
Pannaria 55 
Parmelia crinita var. pilosella 3 
farinacea 56 
fraxinea var. ampliata. . 20 
furfuracea olivetorina. ... 56 
perlata 56, 79 
“ ciliata 79 
