T k i e e IV GRIMMIEA;. Plants tufted or pulvinate. Leaves short,
solid, often piliferous-acuminate; areolation dense, obscure, puncti-
form minutely round-quadrate and chlorophyllose above. Capsule
re'^ular, on. a straight or arcuate pedicel. Teeth 16, transversely
articulate, entire, cribrose or variously cleft, rarely absent. Calyptra
generally mitriform, sometimes split on one side or lobed.
Plants floating in long tufts. Calyptra cucullate.
Teeth cancellate.
Leaves hair-pointed. Calyptra lobate-raitrate.
Capsule emerging on an arcuate pedicel;
teeth cribrose or lacunose.
Plants pulvinate. Capsule immersed.
Teeth cribrose.
Capsule immersed. Lid persistent.
Teeth 32.
Capsule on a short curved pedicel. Teeth
none, or cleft or perforated.
Capsule erect on a straight pedicel.
Plants large. Calyptra mitriform-subulate.
Teeth irregularly cleft to below the middle,
or to the base Into two flliform segments.
Leaves liyaline, citiate at apex. Capsule immersed.
Peristome none.
Capsule long-pedicelled, pyriform or turbinate.
45. C in c l id o t u s .
46. G r im m ia .
Subgen. ScMstidium.
Subgen. Scouleria.
Subgen. Gasterogrimmia.
Subgen. Gumbelia.
47. R a c o m i t r iu m .
48. H e d w ig ia .
49. B r a u n ia .
T r i b e V O R T H O T R I C H E A l . Plants tufted. Leaves of close texture,
lanceolate segments.
Calyptra covering the capsule to the base.
Teeth cribrose.
Calyptra covering the capsule to the middle.
Teeth narrowly lanceolate.
Calvptra covering the capsule to below the
base, plicate and cleft at base. Teeth entire.
Capsule striate, urceolate. Calyptra cucullate.
Calyptra large, cuculliform. Teeth short,
truncate.
Leaves long, flexuous, crisp when dry. Calyptra
hairy.
Leaves shorter, striate when dry. Capsule
mostly immersed, 8-16-striate. Calyptra
campanulate, naked or hairy.
Calyptra campanulate, plicate, laciniate at
base.
Calyptra campanulate, not plicate. Teeth
spirally revolute.
Calyptra very large, cylindrical-campanulate,
covering the whole capsule.
Calyptra twisted, persistent,
stricted at base, enclosing
Peristome none.
plicate, con-
the capsule.
50. C o s c in o d o n .
51. P t y c h o m i t r iu m .
52. G iy p l iom i t r iu m .
53. A m p h o r id iu m .
54. D r u m m o n d ia .
55. U io t a .
56. O r th o t r io h u m .
57. M a o r om it r iu m .
58. S c h io t h e im ia .
59. B n c a i y p t a .
60. C a iym p e r e s .
Calvptra cnciillate-dimidiate. Peristome of 16
horizontal teeth. 61. S y r r h o p o d o n .
T r i b e YI. TETKAPIIIDEÆ. Plants tufted. Leaves and areolation
"neaiiy as in Bryeæ. Peristome composed of the cellular part of the
lid, divided into 4 broadly lanceolate teeth.
Caulescent,
apex 62. T e t r a p h i s .
63. T e t r o d o n t iu m .
65. S c h i s t o s t e g a .
Calyptra thin, white, reddish at
Stemless. Calyptra covering the capsule to
the base.
T r i b e VII. DISCELIE^. Plants gemmiforrn, very small. Leaves not
costate. Capsule oval, pedicellate. Peristome of 16 simple teeth,
split at base.
C h a r a c t e r of t h e Tribe. 64. D i s c e i iu m .
T r i b e VIII. SCHISTOSTEGEAl. Plants annual, from a colored pro-
thallium, delicate, dimorphous; the sterile frondiform, with leaves
verticillate and confluent at base; the fertile frondiform in the lower
part only, with apical flowers and a few minute horizontally tufted
leaves. Capsule small. Peristome none.
Single genus.
T r i b e IX. SPLACHNEAl. Plants and leaves of soft loose texture. Male
flowers discoid. Capsule with an apophysis varying in shape and
size.
* Calyptra mitriform. Apophysis not discolored by age.
Leaves ovate or spatiilate, obtuse. Peristome
of 16 short or truncate teeth. 66. D lS SO d on .
Leaves long, spatulate-acuminate. Teeth of
the peristome long, attached below the ori- _ _ , .
flee of the capsule. 67. T a y lo r ia .
* * Calyptra small, conic, entire or cucullate. Apophysis discolored
by age.
L e a v e s more densely reticulate. Teeth solid,
bigeminate. 68. T e tr a p lo d o n .
Leaves tufted; areolation very loose. Apophysis
enlarged after maturity, becoming
subglobose and colored. 69. S p la c lm u n i.
T r i b e X PHYSCOMITRIE-E. P l a n t s short, soft. Leaves large; areo-
“ “ laUon'^veTylaVge, hyaline. Capsule rarely symmetrmal g™
cernuous and gibbous. Peristome absent or
the right, with an inner membrane divided into iire^ular segments
or rndiraentary.
Calyptra large, tetragonal, enfolding the capsule.
Capsule subglobose, splitting in the middle at
maturity without decoloration on the line of
separation.
Capsule pyriform, regularly dehiscent; orifice
narrow. Peristome none.
Capsule cernuous or pyriform. Peristome of
16 articulate teeth.
70. P y r a m id u la .
71. A p h a n o r h e g m a .
72. P h y s c o m i t r iu m .
73. E n t o s t h o d o n .