f r o n d e p in n a tifid a , la c iniis d em u m s u h p e tio la t is o b l o n g o - l a n -
c e o la ti s la c in i a tis i n c i s i s q u e , v en is a c o s ta a l t e r n i s e r e c t o -
p a t e n ti b iis co s ta s laciniilis effic ien tib u s.
Deles ser ia Davisii Hook, e t lla r v . l. c. e t C ryp t. a n ta r c t. p . 164 tab.
C L X X V ! K ü tz . sp . p . 878! H a rv . N e r . a u s tr . p . H 5 .
llab. in m a r i a u s t r a l i ad Cap. H o rn e t In su la s F a lk l a n d (H o o k e r ) .
Fro n s 8— 7-unoia Iis , rosea, memb r an a c e a , bas i in caulem brevem a b ru
p te at tenuata, c i r cumsor ipt ione la te ovata, in la cinias pe rp lu r ima s s implices
vel p a r t i ta s al ternas divisa. Laciniæ 3—4-poll ioares , ala deo u r ren te
c o s tæ p r ima r iæ a dna tæ, demum subl iberæ, " c u l t r a to - lan c e o la tæ” oblique
c os ta tæ, in la cínulas n ume ro sa s e r e c to -p a t e n te s al ternas in c i sæ ; venis
al ternis a cos ta laciniæ ad lacínulas ex c u r r e n t ib u s . La cinulæ oblongo-
lanceola tæ subinci sæ, % — % u n c iam la tæ. F ru c lu s n ondum observat i.
Hæo species forsan in vic in ia D. a latæ rect ius disponenda .
* * Venis a costa oppositis.
1 3. D. fimbriata (Delapyl. mscr.) f r o n d i s c o s ta tæ o p p o s i t e v e n o sæ
foliis o b o v a t is p in n a tif id is , la c in i is e n e r v i b u s a u t c o s ta s u p e r n e
e v a n e s c e n t e p e r c u r s i s s e n s im s e p a r a t i s foliola p r o p r i a l i n e a r i -
o b lo n g a s e r r a t a e t s i n u o s a c o n s t i t u e n t i b u s , s o r is in fimb riis m a r g
in a lib u s a c u tis a c u t e q u e d e n t a t i s s u b g em i n i s , co c c id iis in p a -
r e n c b ym a t e f r o n d i s se ssilib u s.
Hab. in o c e a n o á r c t i c o a d T e r r e - n e u v e (D e la P y l a i e ! ) ; in
m a r i O c b o te n s i (W o s n e s s e n s k y !).
Del. s inuosæ proxima, cujus a u t varietas , a u t u t c r ed id e r im species p a ralle
la, s equent ibus dif ferre mihi v ide tur ; Appa ra tus radicalis fibrosus, fibris
in foliola nova hio illic abeunt ibus . Costa , q uæ s t ipi tem plus minus elong
a tum cont inuât , e s t plana, inferne p a r um cras sa, s u p e rn e vix minimum
supra p a r e n c h yma elevata , latiuscula e t p a rum ma rg in e definita , in su p e r
io re d emum p a r t e eva ne sc ens e t omnino obsoleta. Nervi seoundar i i in
juvenili pianta vix aut p a rum conspioui , in adul ta evidentiores, acutiori
ángulo q u am in D. s inuos a egrediuntur . In pia n ta spor i fera ma rgines
d ense fimbriat i phyll is minut is acut is ac uteve d entat i s a u t ip s is fimbri is
cons imilibus sæp e oppos i t i s fimbriat is. Sporophylla hæo ad u t rumq u e
latus axis ideali s su b d e n u d a t i soros u t r inque singulos ( e t ita in sporophyllo
geminatos ) forma re te n d u n t . Sporophylla a cos ta egredient ia nulla vidi.
Coccidia in su p e r io re p a r t e laciniarum, in ip so p a r en c h yma te sessilia .
D. s inuos a g er i t soros su p r a ven am ma rginis aut in phyllis ma rg in a l
ibus e x p a n so s ; hæo sporophyl la su n t plus min u s ob tu s a e t s o rum unicum,
qui dis cum o ccupât , g e r en t ia ; sporophyl la co s ta b a un a cum marginal ibus
fere s emp e r adsunt. Coccid ia ad venam evidentem ad n a ta su n t , a u t in
ips a f ronde a u t sæpius in phyll is s eparat is cos ta l ibus vel marginal ibus .
His d u c tu s differentiis, formis Te r ræ novæ e t Kamt schalkæ speciem
dive r sam p ro p o n e r e debui , cui nomen a De- la-Pylaie d a tum cons ervare
p os se credidi. Cel. Ru preoht in recent , opere (Alg . Ochot. p . -231 ) jam
speciem dive r sam in his formis su pposui s s e vidotur ; c b a ra c te r e s a u tem
cons tantes , p ræ t e r radic em fib rosam, nullos invenit .
1 6. D. SI.NÜOSA Good, et Wood. Lin. Trans. IH. p. M l ) f,-onclis
c o s ta tæ o p p o s i t e v e n o sæ foliis ovatis p in n a tifid is , la cin iis c o statis
s e n s ir a s e p a r a t i s , fo lio la p r o p r i a l i n e a r i - o b l o n g a s e r r a t a
e t s in u o s a c o n s t i tu e n t ib u s , f r u c t ib u s s u p r a v e n a s p r o p e m a r -
g in em e t in phyllis o b tu s iu s c u l i s r a a r g i n a l i b u s e t c o s ta lib u s
ev o lu tis.
Fuous .sinuosus Good, e t Woodw. t. c. E ngl. Bot. tab. 822. T u rn . H ist
F u c . ta b . 381 S ta c k h . N e r . E d . I I . p . 9 \
Deles ser ia s in uosa L am o u r . E s s . p . 124. L g n g b . Ilg d r . p . 7 lab. 2!
Ag. S p . I . p . 174 e t S y s l. p . 248! G re v . Alg. B r it. p . 73! H a rv . M a n . p .
8 8 ! e t Phy col. B r it. tab. C C L lX t M o n t. Yog. B o n . p . 112. A r e s ch . E n um .
p . 69. Fl. D a n . tab. 2289!
Pbycodrys s inuosa K ü tz . Phgcol. ta b . 68 fig. I I . (ma le ! ) . S p e c . Alg.
p . 874.
Fuous c r en a tu s Gm. H ist. p . 184 tab. 24 fig. 1 (ma le! ) .
Fu cu s ru b en s H u d s .; L ig h tf.; S ta c k h . N e r . Ed. 1 tab. 71
Fuous roseus Ft. D a n . ta b . 632!
F u c u s P a lme t tæ var. E sp . I c o n . ta b . 42.
Exs icc. D e sm a z . C r yp t. E r . n:o 171 W ya tt. D a nm . n:o 62! A re sch .
S ca n d . n . 26! G re v . Alg. B r it. n . 8! e t 19!
llab. in o c e a n o a t l a n t i c o a F o e r o i s u s q u e a d P o r to g a l l i am !
in s in u G o d a n o ; in o c e a n o á r c t i c o e t Pacifico a d K am t s c b a tk am e t
Ku rile s in su la s (s e e . P o st, e t Ru p r .) .
F ro n s juvenilis (poll icem al ta) folium oblongum cos ta tum den ta tumq u e
effioit; bipol licaris e s t folium ambi tu magis ovatum, cos ta validiori veni s -
qiie evidentibus p e r c u r sum, ma rgine s inuatum. Sinus profundiores ev a -
duiit, laciniæ e x c r e s c u n t et in folia p ro p r ia abeunt , eodem modo d eoom-
p onenda . Frons adul ta i taque s is t i t p lantara usque peda lem, caule (d en u d a to )
evidenti donatam, a cujus inferiore p a r t e rami pro v en iu n t nume ros i , omnes
inferne nudius cul i , s u p e rn e foliolis la teral ibus pet iolatis e t apice folio
terminali plus minus s inuoso, 3-,pollices sæ p e lato, ins t ruct i . Foliola n u p e r
forma ta lanceola to-oblonga ma rg in e q u e inæq u a l i te r d e n t a ta ; adul t iora ma gis
s inuos a e t ambi tu ovata. Apices omnium obtus i. Coccid ia in venis
f rondis in tég r io n s e t in phyllis p ropr i i s cos ta l ibus a u t rar ius marginal ibus
minutis spathulat i s sessilia. Sori in dent icul is ma rginal ibus e t phyllis cos
tal ibus « t ma rginal ibus propr i i s spathulat i s su p r a ven am expans i , .singuli.
Color coc cineus . Subs tant ia memb ran a c e a .
E. A \* - 1
Î -