Buellia punctiformis 92 



Buelliaceae 35 



Buxbaumiales 10 



Calicium hyperellum 80 



Calliergon cordifolium 6 



" cuspidatum 32 



" Richardsonii 6 



" Schreberi 7 



Calliergon stramineum 7 



Callopisma 57 



Camptothecium nitens 7 



" Nuttallii var. 



tenue 32 



Campylium chrysophyllum 7 



" polygamiim 7 



" stellatiim 7 



" " var. pro- 



tensum. . 32 



Campylopus Nietneri 96 



Candelaria concolor var. effusa. . . 64 



Catharinaea 43 



" angustata 44, 48 



" undulata 44 



Catillaria 40, 78 



" Hochstetteri 78 



" Laurcri 36 



Cenozosia 65 



Cephalozia luniilaefolia 56 



" media 56 



Cephaloziella byssacea 56 



" elegans 56 



" Starkii 56 



Ceratodon 43 



" purpureus 4, 44, 90 



Cercocarpus parvifolius 2 



Cetraria cucullata 34 



" hiascens 34 



" islandica 33 



*' " var. crispa 



" " " Delisaei. . . 3 



" lacunosa 35 



" nivalis 34 



Cheilolejeunea pililoba 56 



Cbiloscyphus rivularis 55 



Chiodecton sanguineum 32 



Cladonia 33 



" alpestris 34 



" amaurocraea 34 



coccifera var. stemma- 



tina 34 



" cornucopioides 34 



" cornuta 34 



" cristatella 34 



" deformis f. gonecha 56 



" ftmbriata 96 



furcata 34 



" var. subulata. . . 34 



'/ gracilis 34 



" " elongata 16 



" pyxidata f. lepidophora. 34 



" rangiferina 34 



" squamosa 34 



" " f. denticollis. . 34 



turgida 34 



" verticillata 34 



Clasmatodon parvulus 29 



Climacium amcricanum 7, 44 



" dendroides 7, 44 



Collema nigresccns 64 



Cololejeunea 49, 52, 53 



" Biddlecomiae .... 52-54, 



" diaphana — . . . . 52-54 



" Jooriana 52 



" minutissima 52-54 



" myriocarpa 53, 



" setiloba sp. nov.* 



51-54, 52 (f. 1-7), 56. 



Coniocarpineae 36 



Crypheaceae 11 



Cryphea glomerata 29 



Cyclocarpineae 33 



Cyclolejeunea Chitonia 54 



Cynodontium polycarpum 4 



" var. strumiferum. . 4 



" torquescens 31 



Dactylina arctica 48- 



Dendrographia leucophaea 80 



Dermatocarpon monstruosum. . . 2 

 Zahlbruckneri 



sp. nov 2 



Dermistocarpon hepaticum 80 



Desmaziera 65 



Dichelyma uncinatum 8 



Dicranella 28, 46 



" heteromalla 29, 30 



" " Fitzgeraldii 28 



" " var. ortho- 



carpa.. 30, 90 



" " varia 29 



" salsuginosa 46 



" Schreberi 4 



" varia 29, 30 



Dicranoweisia cirrhata 64 



Dicranaceae 4^ 89 



Dicranum 42, 43 



" Bergeri 44 



" - flagellare 4. 44 



" fulvum 45, 90 



" fuscescens 4 



" longifolium 4 



" scoparium 4. 44 



" undulatum 4 



" viride 90 



Didymodon 43 



" aeneus 25 



" mexicanus . 25 



revolutus comb. nov. 25 



" rubellus 44 



" stenopyxis 25 



Dimelaena 57 



Diplophyllum albicans 32 



Ditrichaceae 89 



Ditrichum 27,43,90 



" pallidum 8, 27 



" rhynchostegium 8 



" Schimperi 31 



" tortile 44 



Drepanocladi 28 



Drepanocladus aduncus 7, 44 



" " paternus 16 



" fluitans 7 



" scorpioides 16 



" uncinatus 7 



" vernicosus 7 



Drummondia 28 



