386  STEGOCARPI. PLEUROCARPI.  Hypyum, 
Isothecium chryseum Spruce in Musc. Pyr. No. 90. Anu. and 
Mag. of Nat. Hist, 1849. — Isothecium rufescens B. chryseon Hüb. 
Musc. Germ. p. 601. — Leskea rufescens B. chrysea Brid. Il. p. 
986. — Leskea chrysea Hoppe et Hsch.; Brid. 1. c. 
Patria. Yn alpe Pasterze Carinthiae superioris in ru- 
pibus nivalibus: Hornschuch; in Austria inferiore fide 
Schwägricheni; in Pyrenaeis occid. et central. ad rupes 
humidas, in fissuris: Spruce, e zona subalpina usque 
ad medialpinam ascendit; Rocky Mountains, ad rupes hu- 
midas: Drummond No. 221. 
Notis laudatis ab H. rufescente distinctum. 
B. Nervi callosi. ' 
300. H. aureum Lam. (Encycl. Meth. Bot. IIT. p.172.) ; 
dioicum ; robustum fastigiatim ramosum, dicranoideum lu- 
teo-fuscum nitidum, ramis apice cuspidatis ascendenti- 
bus breviusculis erecto- patentibus; folia caulina erecto 
imbricata, humore maxime patentia, elongata, subsecunda, 
longissime late lanceolata acuminata, parum falcata, plu- 
ries distincte longitudinaliter plicata, margine erecto vel 
parum reflexo planiusculo, ubique denticulato, nervis lon- 
gissimis parallelis tenuibus flavidulis distincte conspicuis, 
dorso calloso - prominentibus, superne dentatis, apice spi- 
nae forma abruptis, cellulis angustissimis incrassatis ser- 
pentinis elongatis fuscidulis, basi infima fuscis, alaribus 
paucis brunneis veluti obsoletis; perichaetia turgida, fo- 
lis late vaginantibus longissime acuminatis flexuosis, basi 
laxissime reticulatis aureis v. brunnescentibus, vix plica- 
tis enervibus; theca in ped. elongato purpureo erecta bre- 
viter cylindracea fusca; perist. d. ext. linea media dia- 
phana latiuscula exarati, late lanceolati subulati, interni 
in membrana lutescente ciliaeformes. 
Dicranum Novae Hollandiae Hsch. in Sieber, Musc. Exs. NO. 
7; in patria certe false indicata. — Leskea congesta Brid. II. p 
323. excl. Syn» Swartz. — L. striata Schw. Suppl. I. I. p. 180, t. 
86. — Brid, II. p. 334. — H. phryzophyllum Arn. — Mnium au- 
reum P. B. Prodr. p. 74. 
Patria. Insulae Antillarum, ubi in monte sulphuri- 
fero insulae Guadeloupe primus legit Richard. 
