HYPNOIDEAE.  HYPNUM. 293 
laevi horizontalis, arcuato - cylindrica turgida brevis, la- 
tissime annulata; operc. obtuse conico brevi mammillato 
leptodermi; perist. longum robustum, d. ext. latissime 
lanceolati, int. in membrana alta maxime reticulata fla- 
vida valde compresso-carinati vix perforati, ciliis 3—4 
aequilongis remote articulatis albidis. 
Hypnum cupressiforme var. complanatum Hmp. Veget. Cell. 
Herc. Exs. No. 96. — H. amoenum Hook. in Drumm: Musc. Amer, 
No. 196 ex parte. — H. pratense Koch in Brid, Il. p. 769 memo- 
ratum. — H. curvifolium Hdw. Brid. II. p. 613 sub Stereodonte. 
Patria. Prope Blankenburg Hercyniae ad fossam 
graminosam humidam sylvestrem copiose: Ham pe; Sue- 
cia, Gefle ex Hartmann; Anglia: Spruce; per totos 
Pyrenäos in graminosis montium humiliorum sed raro fer- 
tile: Spruce; in America tota septentrionali, in paludi- 
bus. —  Aestate. 
Notis cursive impressis ab H. cupressiformi longe 
differt. 
141. H. fertile Sendtn. (in Denckschr. d. Bot. Ges. 
z. Regensb. 3. Bd. 1841. p. 147.); monoicum; cespites 
latissimi procumbentes stramineo-virides intertexti ditis- 
sime fertiles; caulis repens firmus, ramis depressis, ra- 
mulis regularibus breviusculis plus minus hamulosis api- 
cem rami versus brevioribus pinnatis; folia caulina con- 
ferta, maxime secunda, e basi late ovata lanceolata, in 
acumen tenue elongatum falcatum producta, integerrima; 
margine ubique erecto, nervis obsoletis, cellulis pallidis- 
simis veluti conflatis, saepe rubiginosis, alaribus submul- 
tis subventricosis maxime incrassatis parum flavidis; pe- 
rich. late vaginantia albida stricta longe lanceolato-acu- 
minata, apice subdenliculata, basi laxe reticulata tenera, 
subplicata; theca in ped. longissimo crasso aurantiaco 
laevi flexuoso subrigido horizontalis subareuate ovalis bre- 
vis turgida majuscula aurantiaca olivacea, operculo co- 
nico acuminato recto; perist. M. callichroi, ciliis plerum- 
que ternis. 
H. crinale Schleich. ex RBabenh. Deutschl, Krypt. 11. p. 276; sed 
nomen nunquam antea editum, igitur Sendtneriano postponendum. 
