CATALOGUE OF CRYPTOGAMIC PLANTS. 353 
they differ in their smooth and loosely areolate leaves, but agree in 
general habits. 
b. N. aciculata (Tayl.), Mitten. Leskea aciculata, Tayl. Lond. Journ. 
Bot. 1847. p. 339. 
65. Pilotrichum tenuissimum (Wils.), C. Muller.. Cryphea tenuissima, 
Wils. Lond. Journ. Bot. v. 5. p. 6. t. 15. E. 
66. Hypnum evpansum, Tayl. Lond. Journ. Bot. 1846. p. 64. 
67. H. superbum (Tayl), C. Muller. Leskea superba, Tayl. Lond. 
Journ. Bot. 1846. p. 61. Wils. l.c. v. 5. t. 15. M. 
68. H. porotrichum, C. Muller. Neckera longirostris, Hook. Muse. 
Jot. t. 1l. Hypnum floridum, Tayl. Lond. Journ. Bot. 1847. 
p. 339. i 
b. Idem. An older state. Leskea gymnopoda, Tayl. Lond. Journ. 
Bot. 1846. p. 62. 
69. H. gracillimum (Tayl), Mitten. Neckera gracillima, Tayl. Loud. 
Journ. Bot. 1848. p. 199. ; 
Closely resembling H. polycarpum and its allies. 
70. H. Hedwigii (Wils.), Mitten. Leskea Hedwigii, Wils. in schedula. 
L. cæspitosa, Hedw. non Swartzii, fide Wiis. 
1l. H. denticulatum, Linn. 
72. H. scariosum, Tayl. Lond. Journ. Bot. 1846. p. 65. 
73. H. Jamesoni, Tayl. L c. p. 63. 
14. H. conostomum, Tayl. 1. c. 1848. p. 194. 
15. H. pseudo-plumosum, Brid. 
16. H. rusciforme, Weis. 
77. H. rutabulum, Linn. 
78. H. intermedium, Mitten, MSS.; monoicum, viridissimum et lu- 
tescens, caule gracili rigidulo bipinnato, foliis cordatis acuminatis — 
opacis papillosis apicem versus denticulatis, nervo sub apice : 
evanido, perichætialibus lanceolatis subulato-longe-acuminatis _ 
elongate laxius reticulatis minute denticulatis, theca in pedunculo _ 
longissimo rubro levi parum inclinata oblonga fusca, operculo - 
longe rostrato, peristomio interno e processibus pallidis imperfora- - 
tis ciliis nullis. 
Intermediate between H. minutulum and H. pauperum, agreeing 
with the first in size and habit, but differing in its shorter cauline — 
leaves, which are toothed about the apex and not recurved at the - 
margins; with the second it corresponds in some degree in the form of — 
