NOTE TO STUDENTS
The hooks and papers consulted in the preparation of this
work are all cited in tiie text. Students ai-e especially referred
to the following important works on Lichenology :—
H e p p , p., Flechten Europas. Abbildungen und Beschreibung der Sporen.
Nos. 1-962. Zurich, 1853-67.
N y l a n d b h , w., Synopsis Lichenum. Paris, 1858-60. (Incomplete.)
F r i e s , T h . M., Licbenographia Scandinavica. Upsala, 1871-4.
S y d o w , P., Die Flechten Deutschlands. Berlin, 1887.
B o i s t e e , A., Nouvelle Flore des Lichens. Paris, 1896.
S c h n e i d e r , A., A Text-Book of General Lichenology. Binghamptoii,
New York, 1897.
O l i v i e r , H., Exposé Systématique et Description dos Lichens de I’Ouost
et du Nord-Ouest de la France. Paris, 1897.
F ü n f s t ü c k , M., & A. Z a h l b r u c k n e r , in Englor & Prantl, Die Natürlichen
Pflanzenfamilien 1, 1*. 1898-1907.
J a t t a , A., Sylloge Lichenum Italicorum. Trani, 1900.
J a t t a , A., Pflora Italica Cryptogama, Pars III., Lichenes. Rocca S.
Casciano, 1909-11. (In progress.)
LIST OE PLATES
IT.ATE 1t .a t e
CONOTREMA DRCBOLATA 1 G e a p h i n a a n g u in a . 30
Gc e n o g o n id m EB ENBUM 2 E n t e r o g e a p h a g r a s s a 31
R a c o jh u m r u p e s t r e 3 C h io d b c t o n a l b id u m 32
G y a l b c t a c u p u l a b i s 4 G l y p h i s l a b y e in t i ì io a 33
L b o id e a ( P s o h a ) l u r i d a . 5 SCLBROPHYTON CIECUMSCEIPTUM 34
L e c i d e a (B ia t o r a ) v b e n a l i s 6 COEISC IUM V IR ID E 35
L b c id e a ( E u e e c i d b a ) p a b a s e m a 7 O b b y z u m d o l io h o t e r o n . 36
L b o id e a (M y c o b l a s t u s ) s a n g u i D
e e m a t o c a r p o n l a o h n b u m 37
n a r ia .......................................................... 8 N o h m a n d in a p u l c h b l l a . 38
B i a t o r e l l a m o e i f o b m i s . 9 D a c a m p ia H o o k e r i . 39
B ia t o b in a p u l v b h b a 10 E n d o c a r p o n p u s i l l u m 40
B il u v ib ia s a b u l b t o r u m 11 V b b e u c a e i a p a p i l l o s a 41
B a c id ia r u b e l l a 12 T h e l i d i u m p y r e n o p h o e u m 42
B u b l l i a m y b io c a e p a 13 P o l y b l a s t ia t h b l e o d e s . 43
L e c io g e a p h a p a b a s i t i c a . 14 T h EOMBIUM EPIGH3UM 44
R h iz o c a r p o n o b s o u b a t u m 15 G o n g y l ia v i e i d i s 45
B o m b y l io s p o b a in c a n a 16 M io e o g l z b n a m o d e s t a 46
L o p a d iu m p b z i z o i d e u m 17 S t a u e o t h e l e u m b b in u m . 47
L e c a n a c t i s p e e m n e a 18 A c e o c o e d ia g e m m a t a 48
P l a t y g e a p h a p e e i c l e a . 19 A r t h o p y e e n ia f a l l a x 49
A b t h o n ia r a d ia t a 20 L b p t o r h a p h i s b p i d e e m i d i s 60
A r t h o t h e l i u m s p b c t a b i l e 2 1 M i c b o t h b l i a m i c u l a 51
L i t h o g r a p h a t e s s e r a t a . 2 2 P o E IN A OLIYACEA 52
X y l o g b a p h a p a r a l l e l a . 23 T h e l o p s i s r u b e l l a . 53
P t y c h o g e a p h a x y l o g e a p h o id e s 24 i P y r b n u l a n i t id a 54
E n c b p h a l o g r a p h a c b r b b b i n a . 25 A n t h b a c o t h b c iu m h i b e h n i c u m . 55
M e l a s p i l e a p e o x im b l l a . 26 T h e l o c a e p o n L a u e e e i 56
O p b g b a p h a a t r a 27 M b l a n o t h e c a g e l a t in o s a 57
G h a p h i s e l e g a n s 28 M y c o p o b u m m i s b e e im u m . 58
P h ib o g r a p h s L y b l l i i 29 M y c o p o r b l l u m o b s c u e u m 59