19 
856. alpestre, Swartz. 
857. arcticum, Sommerf. 
858. obtusifolium, Drumm. 
859. montanum, Wils. 
860. eugyrium, Schimp. 
861. ochraceum, Turn. 
I 
Sub Genus XXV. CALLIERGON. 
862. cordifolium, Hedw. 
863. giganteum, Schimp. 
864. sarmentosum, Wahl. 
865. cuspidatum, Linn. 
866. Richardsoni, Lesq. and 
y 3.m6S 
867. Schreberi, Willd. 
868. Alaskanum, Lesq. and 
James. 
869. stramineum, Dicks. 
870. trifarium, Web. and Mohr. 
871. turgescens, Schimp. 
872. badium. Hartm. 
Sub Genus XXVI. SCORPIDIUM. 
873. scorpioides, Linn. 
Sub Genus XXVII. PLEUROZIUM. 
874. splendens, Hedw. 
var. compactum, Lesq. and 
James. * 
875. umbratum, Ehrh. 
876. Oakesii, Sulliv. 
877. brevirostre, Ehrh. 
Sub Genus XXVm. HYLOCOMIUM. 
878. squarrosum, Linn. 
879. triquetrum, Linn. 
880. Flemmingii, Lesq. and 
James. 
881. loreum, Linn.- 
Species of Uncertain Afllnity. * 
882. Wrightii, Sulliv. 
883. planum, Brid. 
884. Coloradense, Aust. 
Addenda. 
885. Hypnum occidentale, Sulliv. 
and Lesq. 
886. Hypnum, Barberi, Renauld. 
887. Hypnum, serpens, L. var. 
Barberi, Renauld. 
Omission. 
888. Leptodon, Floridanus, 
Lindb. 
