— iv — 



Cephalozia macrostachya.... 23, 45, 64 



" media 23 



" pleniceps 23 



Cephaloziella 46 



" byssacea 13 



" bicuspidata 43, 44 



" bifida 13, 45, 46 



" elachista 13 



" Hampeana.. . . 13, 61, 67 



" myriantha 13, 61 



" papillosa 61 



" Starkei 43-46 



" Sullivantii 13 



Ceratodon 49, 52 



" columbiae 52 



" conicus. ... 52, 54, (PI. XI) 



heterophyllus 52 



minor 52 



purpureus.... 52, 54, (PI. X) 



Cetraria 70 



aleurites 69, 73 



" var. placorodia 69, 73 



chlorophylla 83 



glauca 79. 83 



" islandica 68, 83 



" lacunosa var. stenophylla 



78, 83 



Tuckermani 83 



Chamaecyparis nootkatensis 77 



Chiloscyphus ascendens 13 



rivularis 66 



Chrysobalanus Icaco 26 



Chrysopsis 63 



Cladonia bacillaris 80 



bellidiflora 80 



cristatella 80 



furcata racemosa 80 



gracilis dilacerata 80 



macilenta 80 



pyxidata 80 



rangiferina 63, 80 



squamosa 80 



sylvatica 80 



verticillata var. evoluta. . 80 



Clevea hyalina 13 



Climacium americanum 67 



Collema nigrescens 81 



Cololejeunea 17, 25 



" Biddlecomiae 26, 67 



" diaphana 26 



minutissima 25, 26 



myriocarpa 25 



setiloba 25, 26 



" subcristata 



24-28, (PI. II, figs. 5-14) 

 " tuberculata 25, 26 



Conocephalum 46 



" conicum 61, 67 



Conostomum boreale 44 



Cratoneuron filicinum 67 



Cynodontium 51 



Cyphelium inquinans 16, 79 



Diapensia 44 



Dicranum elongatum 44 



" fulvum 67 



" longifolium 43 



" montanum 98 



" viride 98 



Didymodon rubellus 67 



Diplophylleia taxifolia 43, 44 



Distichium 51 



" capillaceum 51 



" Macounii 56 



Ditrichum 49, 54 



ambiguum.. . 58 (PI. XVII) 



" brevifolium 56 



" elatum 56 



flexicaule.. 56, 57 (PI. XIV) 

 " " brevifolium. ... 56 



" " longifolium 55 



giganteum. ... 55 (PI- XII) 



" glaucescens 60 



" inclinatum 52 



" heteromallum 



50, 58 (PI. XVI) 



" homomallum 58 



" Macounii 56 



montanum. ... 56 (PI. XV) 

 pusillum 58, 59 (PI. XVIII) 

 " Schimperi 



50, 55, 56 (PI. XIII) 



tortile 58 



Ditrichaceae 48, 49 



Drepanocladus 10 



" scorpioides 48 



Drummondia 98 



Dryptodon patens 93 



Encalypta contorta 67 



" procera 41 



Encyclia tampense 26 



Ephemerum 29 



Evernia prunastri 83 



Fissidens 41 



" adiantoides 67 



" cristatus 67 



" grandifrons 41, 102 



" incurvus 67 



" obtusifolius 16 



Fontinalis dalecarlica 67 



gigantea 32, 67, loi 



" Lescurii 67 



" Umbachii 41 



