Yariat O u e r c ifo lia lacin iis rotunda t is , e t Ungulata dent ibus in lacinias
e longato- spathulata s , quas i e ma rg in e frondis indivisa; exeuntes , longe p r o duct
is. Hæc p ræc ip u e in ma r i Baltico obvenit.
Kützing analys in fructus hujus p la n tæ dedi t plane fal sam; g emmidia
n emp o int ra coc cidium libera p ingi t e t hoc c h a ra c te r e su um genus Ph y -
c odrys sine dubio p ræ c ip u e fundatum vult. Sed non magis in hao, q u am
in ulla al la Dele s ser ie a l ibera s u n t ; int ra cellulas fiiorum a pla c en ta
radiant ium formantur , d emumq u e l ibera e v a d u n t in hoc velut in omn
ibus aliis.
17. D. q ü e r c ifo i.ia (Bory Voy. Coqu. p. 1 8 6 ) f ro n d i s c o s ta tæ o p p o s
i te v e n o sæ foli is o vat is p i n n a t i f l d i s , la c in i i s c o s ta t i s s e n s im
s e p a r a l i s , fo l io la p r o p r i a o b l o n g a lo b a ta bas i a t t e n u a l a c o n s t i -
t i ie n t ib u s , s o r i s p u n c t i f o rm i b u s s i n e o r d i n e i n t e r v e n a s l a c in i a r
u m sp a r s i s .
Deles ser ia querci folia B o r y Voy. Coqu. l. c. ta b . 18 fig. \ \ I .D .H o o k .
e t H a rv . C ryp t. a n ta r c t. p . 165! K û tz . sp. p . 878! H a rv . N e r . a u s tr . p
114 ta b . X L V I !
Hab. i n o c e a n o a u s t r a l i a d in s u la s Ma lo u in a s , e t Cap Ho rn
(H o o k e r ! ) .
Species a me p a rura in telleota, f ragment is ta n tum conspeot ls . Sec.
Hookerum e t Harvey omni r e s p e c tu cum D. s inuos a convenit, exc ept is
ta n tum sphærospor i s , q uæ in D. querci folia s u p r a pag in am frondis s p a r sæ
sunt . Venæ in su p e r cras s iores f lexuosæ e t apice ramo sæ mihi a d p a ru e ru n t ,
dum in D. s inuos a s t r ic t iore s e t s impl ices ad lacinias ex c u r ru n t .
18. D. CRASSiFOLiA (Rupr. Alg. Ochot. p. 2 3 2 ) 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 foli is s u b l a n c e o l a t i s p in n a t i s e c t i s , la c in i i s c o s ta t i s
m o x s e p a r a t i s fol iola p r o p r i a c u n e a t o - l a n c e o l a t a o b tu s a i n t e g
e r r im a c o n s t i t u e n t i b u s , s o r i s s p o r o p b y l l a c o s t a b a s u b s p a t l i u -
la ta o c c u p a n t i b u s , c o c c id i i s in p a r e n c h ym a t e e v o lu t i s p e r f r o n d
em sp a r s i s .
ll ab. in m a r i K amt s c h a t i c o a d in s u l am S;t P a u l i (Mus . P e t r o p . l )
Ap p a r a ta radicali fibroso in Mytilis al iisque Algis adfìgitur. Frons
ci r c i te r pedalis , caule c omp r e s so elongato plus min u s d enuda to, s u p e rn e
foliis ornato. Folia cras s a, bas i longe c u n e a ta in s t ipi tem at tenuata, apice
ro tunda ta , ma rgine in teger r ima, 1— 3-poll icaria, poll icem dimidium vix lata,
cos ta u sque ad apioem ex tens a, v eni sque secu n d a r i i s oppos i t i s ángulo
c i rci ter 40“ e gredient ibus p e r c u r s a . Inte r v en a s laciniæ s ens im forma ntur
e t in foliola nova mo x abeunt . — Sporophylla ad cos tam adtìxa, præo ip u e
p ro p e axillas vena rum plura p le rumq u e aggrega ta, a bas i c u n e a ta subl i -
ne a r ia obtus iuscula. Coccidia inter venas, ad vénulas vix conspic ua s ut
vid e tu r evoluta, p e r p a r e n c h yma spar sa.
Species , ramificationis no rma cum D. s inuosa conveniens , forma folio-
lorum abu n d e dis tincta, hoc r e sp e c tu cum D. sanguine a q u an d am offerens
simi litudinem.
S peciem novam, D. cras s ifol iæ s imi lem, nomine D. Kurilensis memo r a i
Ru p r e c h t (A lg . Ochot. p . 233), q uæ foliis brevior ibus magis el lip tici s, apice
non rotunda t is s ed br ev i te r acuminat is , veni sque oppos itis s impl icibus
dis t inguitur . A D. sanguinea miorophylla, qual is hæc ad Fioniam obvenit,
cui q uoad formam non p a rum adp ro p in q u a tu r , colore o bs cure p u rpureo,
foliolis brevior ibus e t latioribus, venis c ras s ior ibus e t magis dis tanlibus ,
su b s tan t ia gelatinosa, e t cellu lis oor tical ibus minor ibus dignosca tur .
19. D. Lyallii (Hook. fil. et Harv. in Lond. Journ. IV. p. 2 5 2 )
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 foliolis o b lo n g o - l a n c e o l a t i s
s e r r a t i s e t a m a r g i n e fo lio la c o n s im ili a s u b p e t i o l a t a em i t t e n t i b u s ,
s o r i s in p a r e n c h ym a t e i n t e r v e n a s e x p a n s i s u t r o q u e l a t e r e co s tæ
o p p o s iti s , in f r o n d e s e r ia tis , in pliyllis m a r g in a l ib u s g em in a t is .
Dele s ser ia Lyallii Hook, e t H a r v . l. c, e t C ryp t. a n ta r c t. p . 166 tab
C L X X V I !
Hypoglos sum Lyallii K ù tz . sp. p . 876.
Hab. in m a r i a u s tra li a d in s u la s F a lk lan d e t K e r g u e in n - I a n d
(H o o k e r ! ) .
Frons 4—9-pol l icari s , 1— 1 % uncias la ta, in pet iolum cyl indraceum
g radat im angus ta ta, oblonga vel linearis, apice ro tu n d a ta , co s ta valida
p e r cu r s a , venosa venis oppos i t i s p a ten t ib u s ad dente s ma rginis e x c u r r e n t
ibus. Dente s ma rginales a latiore bas i at tenuat i , s u p e r io r e la tere inte griuscui
i, in fer iore dent icul is minor ibus s er rat i . Venæ, q uæ ad dentes
ex c u r ru n t , se cus ma rginem cont inuar ! v ide ntur e t cum vena dent is proximi
i te rum con ju u g i ; in spatio dentes inter je cto, a v ena marginali incras sato,
foliola nova orir i a p p a r e n t ; foliola hæc ab initio pet iolata, ambi tu obovata,
s er rata , d emum conformia o b o v a to - lan c e o la ta ; foliolo rum co s tæ con t in u a -
tiones vena rum f rondis p r ima r iæ videntur . Coccid ia (seo. Hook, et Harv.)
in p agina f rondis sp a r s a (h. e.? in cos tis a u t venis ses si lia). Sori spat ia
inter venas o c c u p a n t , s ingula s e r ie u t ro q u e la tere co s tæ disposit i, plurimi,
binis oppos i t i s ; in phyllis minut is ma rginal ibus soros geminatos vid i;
solitarios p in g u n t ci tat i auc tores .
D. s inuosæ hab i tu formaque frondis , colore e t sub s tan t ia s imi lis : differì
ma rgine in c r a s sa to dentato, neo s inuoso, f rondibus s e cundar i is evid
e n t e r pet iolat is a ma rgine eme rgent ibus , neo a lacin iis s ens im separat is
f rondis p r ima r iæ orti s.
t t t t Frondes prolificationibus a costa emergentibus ramosæ.
IX. Hypoglossum. Sori sphærosporarum in foliolis non mutatis
evoluti, utroque latere costæ singuli.
2 0 . D. Hypoglossum [Woodw. in Lin. Tr. IL p. 3 0 ) f r o n d e c o s ta ta