(the poiats being abortive apothecia). Consequently Fries’s remark, “ Nec unquam nigro-punctata visa,” must be
cancelled.
11. Parmelia p arietin a (Ach. Syn. Lich. p. 200; Bab. 1. c. p. 287).
H a b . llocks, trees, also on stems of Salicomics, Gunn. Pittwater, Oldfield. Cheshunt, Archei-.
Specimens normal and fertile.
12. Parm elia chrysophthalma (Ach. Meth. Lich. p. 267).—P. spinosa, Tayl.! Lich. Ant. n. 69.
H a b . Greenstone rocks, close to the sea: Georgetowu, Gunn.
§ 2. Ze o r a , Fries, Syst. Orb. Veg. {Psoroma et Pannaria, etc., Nyl. Enum. Gen. des Lieh.)
13. Parmelia sp hin ctr in a (Mont.!).— P . rubiginosa, ß sphinctrina, HooL fil. Fl. A n ta rct.p . 533.
Bah. l .c .p . 289.
H a b . On wood, apparently common. Collected by Hooker, Gunn, and Archer, etc.
A pei'plexing plant, and variously regarded by different botanists.
14. P arm elia imbricata (Nyl.! Enum. p. 109, sub Pannana).
H a b . On Mosses, Hooker.
A pretty species, placed next to P. pholidota, Mont., by Dr. Nylander, whose specific character wc have not
seen. It seems to us closely allied to P. Femsjonenais, Fries, judging from the description.
15. Parm elia tr ip top h y lla (Fries; Bab. l.c . p. 290).
H a b . On bark, fertile, Gunn. Cheshunt, Archer, barren.
Agreeing with the form called L. microphylhs, E. Bot. t. 2128.
16. Parm elia p holidota (Mont. I; Bab. 1. c. p. 290).
H a b . On wood. Archer, etc.
17. Parmelia n ig ro cin cta (Mont.!; Bab. l.c . p. 290).
H a b . On wood, probably collected by Hooker.
5 3 . P l a c o d ium .
18. Parmelia splachnirima ('layl.!); “ thallo utrinque albido glabro sinuato-lobato, lobis rotundatis
crenatis marginibus adscendentibus, gemmis marginalibus plano-granulatis statim in thallum expan-
dentibus, apotheciis centralibus planiusculis, disco caroeo albo-pruinoso margine tenui undulato.”—Tayl.
Lich. Antarct. n. 73.— (T a b . CXCIX. C.)
H a b . On the ground. Collected by Gunn.
Allied to P. Imtigera, Ach., more nearly than to any other with which we are acquainted, but evidently distinct.
The thallus is more deeply divided, less distinctly orbicular, of a slightly pink hue, having the margins of the same
colour as the upper surface. Apothecia densely pruinose, not becoming convex in age, as in P. lenligera. This
speoies might perhaps more appropriately be referred to Biatora, which comes extremely near to Placodium.—P l a t e
CXCIX. a
19. Parmelia rugulosa (Nyl.! Enum. p. I l l , 1
H a b . Southport, on stone. Ch. Stuart.
Very near to Parmelia elegans, Ach., from which we should hardly have distinguished it. It is described in
Dr. Nylander’s ‘ Lichens of Cliili,’ p. 193. The singular rugose appearance of the thallus and backs of tlie apothecia,
by which it principally differs from P. elegans, may possibly be due to some accidental circumstance.
20. Parmelia fu lg en s? (Ach.; Bab. l.c . p. 291).
H ab. On the ground : Cheshunt, Areher. Barren.
Specimens very minute, growing over some other barren, glaucous Lichens, not a quarter of an iuch in diameter,
more deeply coloured than P. fulgens usually is, almost orange-coloured, thick, margins of the thallus paler; the
centre almost feiTuginous, and simulating the appearance of confluent immarginate apothecia. Very probably this
is Bometliing different from P. fulgens, but being barren it cannot well be proposed as new. Several allied species
are mentioned by Nylander (Eimm, Gcu. Lich.), to one of which it may possibly belong.
§ 4 . P l a c o d ium , Pries.
21. Parmelia g elid a (Ach.; FI. N. Zeal. ii. p. 291).
I I ab. Cheshunt, Archer, Fries.
§ 5. P a t e l l a r ia , Fries.
22. Parmelia p a lle sc en s (Fries; Fl. N. Zeal. ii. p. 292).
H ab. Cheshunt, Archer.
23. Parmelia subfusca (Ach.; FI. N. Zeal. ii. p. 292).
H ab. Cheshunt, Archer.
§ 6. U r c e o la ria , Fries.
24. Parmelia scrup osa (Fries; Fl. N. Zeal. ii. 293).
H ab. Cheshunt, Archer.
25. Parmelia sordida (Nyl. En. Gen. Lich.)—Urceolaria sordida, Fries, Lich. Europ. p . 178.
Lecariora glaucoma, Engl. Bot. i. 2156.
H ab. Granite rocks, St. Patrick’s River, Gunn.
Ge.n. IX . THELOTREMA, Ach.
1. The lotremalep adin um (Ach.; Fl. N. Zeal. ii. p. 294).
H a b . Abuudant on bark, etc., Gunn, etc.
Gen. X. GYALECTA, Ach.
1. Gyalecta cupularis (Schajr.; Fl. N. Zeal. ii. p. 294).
H a b . On dead wood, Cheshunt, Areher.
T r ib e II . L E C ID IN EM
Gen. XI. STEREOCAULON, Ach.
1. S ter eocau lon ramulosum (Acb.; Bab. 1. c. p. 294).
H a b . Apparently common everywhere, on rocks, in Fagus forests, Gunn, and other collectors.
2. Ster eocaulon corallinum (Fries; Hook. 111. Fl. Ant. p. 528).
H a b . Among Sloss and Lichens, on rocks, St. Patrick’s River, Gunn.
3. S ter eocau lon denudatum (Florke; Bab. 1. c. p. 295).
H a b . O u s to n e s , C l ie s h u n t , Archer.
4. Ster eocau lon g ra c ile scen s (Nyl. Enum. Gen. Lich. p. 97).
H a b . Granite rocks, St. Patrick’s River, Gunn.
VOL. I I . 4 u