CRYPTOGAMIA. 171 
tate crispa. Sete terminales, rarius plures 
e perichzatio, apice sub sporangio incrassa- 
tis. Sporangium cylindricum, cernuum , le- 
viter incurvum. ' Operculum convexum: 
rostello subulato, recto, longitudine fere 
sporangi.  Calyptra glabra, extimo apice 
rudimentis paraphysium exasperata. JDezn- 
£es 32, angusti, basi coaliti.. Margo perzsto- 
mir incrassatus. 
Foliola perigonialia Surculorum | masculorum 
extima recurva. 
b. Variatio singularis, sed non distincta .spe- 
cies. Discrepat Staturá multo minori, fo- 
lüs siccitate incurvis, marginibus valde un- 
dulatis ; Sporangio uraboldio, sepe ovato- 
subrecto nec cernuo & dentibus peristo- 
mii fere longioribus. 
33. POLYTRICHUM ocyZndricum Sw.: surculo 
simplici; foliis lineari-lanceolatis, margine un- 
dulato-crispo carinàque versus apicem serru- 
latis; sporangio cylindrico rectiusculo. 
DBryum juniperi folis rugosis, capsulis recti- 
oribus. Dill. H. M. p. 36». t. 46. 19. 
Polytrichum undulatum minus Michaux. Fl. 
bor. Am. T. II. p. 295. 
P. angustatum Brid. Suppl. l. p. 79. 
VN UE controversum Pal. de Beauv. T 
p. 42. 
Hab. in Pensylvania, Virpinia. 
Descr. Habitus omnino P. undulati a, at mi- 
uus & tenerius. Surculi breves & folia 
91 
9 Catharinea angustata Brid. Bryol Univ. T. U. 
p. 105. 
Editor. 
