i
t'i
I: I. '
T IM M IA MEGAPOLITANA.
Common Timmia.
C l a s s a n d O r d e r CRYPTOGAMIA MUSCI, L in n— S a t . O r d . MUSCI, J uss.
G EN E R IC CHARACTER.
Seta terminalis. Peristomium duplex : e x t. e dentibus 16 ; in t. membrana in
laciniis 32 oequalibus anastomosantibus (apicibus 2 vel 4 cmnexis) ßssa:
Calyptra dimidiata.
Fruitstalk terminal. Peristome double : the outer one of 16 teeth ; the inner
one of a membrane cleft into 32 equal anastomosing segments, connected
at the apex by twos or fours. Calyptra dimidiate.
S P E C IF IC CHARACTER.
T im m ia m e g a p o lita n a ; .........¿.......................................
T im m ia m e g a p o lita n a , Hedw. Muse. Frond, v . 1. t. 3 1 .— Ejusd. Sp. Muse.
p . 176.— Schmaegr. Suppl. 1. P . ii. p . 84.— Roth. FI. Germ. v. 3. p . 25 4 .
— Web. et Mohr, Taschb. p . 2 5 4 . t. 10. f. 5.— De Cand. FI. Franç. v . 2 .
p . 497— Funck, Deutschl. Moose, t. 28. N o . 1.— Hessler, de Timmia, p . l 6s
f. 2.—Schmaegr. in Frankl. Journ. App. p. 756 Hook, el Tayl. Muse.
Brit. e d . 2d a , p. I 9 I . t. 6. (Suppl.)
T im m ia b a v a ric a , Hessler, de Timmia, p . I 9. f. 3.
T im m ia p o ly tr ic h io id e s , Brid. Muse. Rec. v. 2 . P. i. p . 7.— Meth. p . 122.—*
Arn. Disp. Muse. p . 48.
T imm ia c u c u lla ta , Mich. FI. Am. Bor. v . 2 . p . 3 0 4 .
T im m ia a u s t r i a c a , Hedm. Sp. Muse. p . 176. t . 42. f. 1, - 7— Schmaegr. Suppl.
I. P, i i. p . 84.— Brid. Muse. Rec. v . 2. P. iii. p . 15 5 .— Meth. p . 122.—
Web. et Mohr, Taschb. p . 2 5 4 . t . 10. f. S.— Wahl. FI. Lapp. p . 731.—De
Cand. FI. Franç. v. 2. p . 4 9 8 .— Ejusd. Syn. p . 1 0 3 .— Siurm, Deutsch. FI,
Crypt. Abth. ii. Heft. 9.—Funck, Deutschl. Moose, t. 28. No. 2 Hessler,
de Timmia, p. 21. f. 4.
M n iu m Timmia, Hoffm. FI. Germ. v. 2. p. 53.
M n ium m e g a p o lita n um , Gmel. Syst. v . 2 . p . 1327.
O r t h o p y x i s m e g a p o lita n um , Pal. Beauv. Prod. p . 79.
B r y u m fo liis la n c e o la tis , fa lc a tis , &c. Hall. Hist. No. 1779.
H a b . On rocks on the banks of the Isla, above Airly Castle, about ten
miles west of Forfar, very rare, and always barren, Mr D r u m m o n d .
Stems n um e ro u s , fo rm in g d e n s e tu f t s , 2 - 4 in c h e s in h e ig h t, e re c t, m o s tly
s im p le , r o b u s t a n d s om ew h a t rig id . Leaves b r o w n b e low , w h e r e th e y
a r e in t e rm ix e d w ith th e ro o ts , g r e e n a t th e to p : lin e a r-la n c e o la te ,
s p r e a d in g , o fte n a li ttl e r e c u rv e d , em b r a c in g th e s tem w ith th e i r m em b
r a n a c e o u s b a s e , s e r r a te d , a n d e i th e r n e a r ly p la n e o r s om ew h a t in fle x e d
a t th e m a rg in , s lig h tly c a rín a te , a n d fu rn is h e d w ith a s tr o n g n e rv e
r e a c h in g to th e v e r y ap e x , w h ic h is i t s e l f tip p e d w ith tw o o r th r e e s e r-
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