e x t o r n u s e t c o l o r f ro n d i s e x s i c c a t i o n e n i g r e s c e n s a f fin ita tem c nm
l i h o d o in c l e is i n d i c a r e v id e a n tn r . G em m i d i a n o n in filis in a r tic u la ti s
s o lita ria e t p y r i f o rm i a milii o b v e n e r u n t , s e d , u t in c o c c id ii s mo s
est, in filis a r t ic u l a tis r am o s o - f a s t i g i a t i s f o rm a n t u r , a rtic u lis p lu r i b u s
p ræ g n a n t ib u s .
Ha rv ey in o p e r i b u s s u p r a cita tis e t fru c tu s p a r u m c o g n i to s e t
s t r u c t u r am f ro n d i s e g r e g i e i l lu s tr a v i t; Mibi t a n t um in e o e r r a s s e vid
e t u r , q u o d c a p s u l a r i fr u c tu i s l r i i c tu r am k e r am id i i tr i b u e r i t .
Si p a r s n o v e lla f r o n d i s o b s e r v a t u r , ex. gr. s p o r o p b y l lum d i s s e -
c tu in , c e llu læ i n t e r i o r e s b in e in c r a s s a tæ illin c lo n g e c a u d a tæ p r o x i -
m i s q u o a n a s t om o s a n t e s a p p a r e n t . Cellu læ l a c u n æ f o rm e s f r o n d i s e v o lutæ,
ex bis c e llu lis e o f o r s a n m o d o f o rm a n t u r lit in c r a s s a t a p a r s
c e llu læ am p lif i a tu r , d o n e c t a n d em s p e c i em is tam l a c u n o s am o f f e r a t ;
a n g u s t i o r e p a r t e a d b u c c u r a v ic in is c e llu l is c o h æ r e n t .
G e n u s u n ic a s p e c i e C a p e n si c o n s t i t u i t u r ; Dic ty ome n i a e c o s t a ta
J . Ag., q u am Kiitzing b u e r e f e r t , n u llo p l a n e afflnitalis v in c u lo g e n e r i
a d p r o x im a t u r .
1. B. PROi,iFER.A (Grev. Alg. Brit. Syn. p. X L IX ) f r o n d i b u s in stip i te
r am o s o o b o v a t is i n t e g r iu s c u l i s a u t e x t e r n a vi la c in ia tis e t a
m a r g i n e p r o li f e r is .
Bot ryoc arpa proli féra G re v . t. c . ! H a rv . Gen. S . A fr . Bl. p . 400! N e r .
a u s tr . p . 16 tab. 11 K ü tz . S p . Alg. p . 880!
Fu cu s b o t ry o c a rp u s A le r t, m s c r . T u rn . Hist. tab. 246!
Deles ser ia b o t ry o c a rp a L a m o u r .; Ag. sp . p . 189 e t S g s t. p . 253!
Fuous ovif rons M o h r. in B e itr . L p . 303.
Hab. in o c e a n o a u s tr a li ad Cap. b. S p e i (Ha r v e y ! P a p p e ! Hb.
M e r t e n s ! Gr e v il le ! ) ,
F rondes 6—8-pol l ica re s , a s tipi te p e n n am corvinam cras so cu ne at im
e x p a n sæ e t fere obovatæ, 2— 4-pol l ices latæ, sæ p e e x te rn a vi la c e r a t e , a
ma rg in e loeso pro l i f e ræ, foliolis conformibus . Sporophyl la l ineam vix
æq u an t ia pet iolata, 6— 10 e t plura ex eodem p u n c to egredient ia e t in
cæspi tulum conjuncta, obovata e t comp r e s sa . S u bs tant ia ca rnos a, exs ioc a-
t ione valde cont rahi tur . Colo r r e cent is roseus , ae re ex p ó s i ta s o bs cur ior
fit e t d emum n ig r e s c i t ; e x s ic c a ta sæp e nigra.
ADDENDA.
S p e c i e s s e q u e n t f is , s u p r a o ra i ssæ , su is lo c is i n s e r a n t u r :
p ag . 3 0 7 a d d e :
l a . Cystoclonium c a pil lare (J. Ag. m s c r ) f r o n d e t e r e t i s u b p in n a t im
d e c om p o s i t o - r a r a o s a , r am i s s e l a c e i s f ilifo rmib u s, r am u l i s u t r i n q u e
a t t e n u a t i s , m e d i o s u b c r a s s io r e , c y s to c a r p iis in r am o u n i l a t e r a l i t e r
p r om i n e n t i b u s siibspliæricis, s p b æ r o s p o r i s in s u p e r i o r e r am o r um
p a r t e e t in r am u l i s a g g re g a tis .
Hab. in o c e a n o á r c t ic o ad Kamt s c b a tk am (W o rm s k i o ld !).
F ro n d e s cæsp i te s 3 - 4-pol l ioares d ens is s imos efficiunt, singulæ, dimidium
mi l l imet rum oras s itie vix su p e ran te s , in mo d um Cyst, p u rp u r a s c e n t i s
de c omp o s l to - r amo s i s s lmæ. Rami p a t e n te s ; ramuli sæp e patent i s s imi , basi
brevius , apice longiss ime at tenuat i , 1—2 lineas longi. Cys tocarpia uni la
teral i te r in ramis r amul isque promimila, fere sphæ.r ica; p e r i c a rp ium cellulosum
cellulis angulatis co n t e x tum; pla c en ta cent ral i s adest , a qua nucleoli
singuli radia re vid e n tu r ; nucleoli omne s in n u c leum conglobat i ; gemmidia
p ro magni tudine p i a n t e ma g n a . S p hæro sp o ræ in ramulis e t super iore
r amo rum p a r te a g g r e g a t e , imme r sæ, zona t im div isæ.
Ob s t ru c tu r am Cys toca rpiorum de gene re mihi q uæd am r e s ta n t d ubia ;
nuclei fere magis pla ntam Rhodymeniæ vicinam su ad en t , .sed s p bæro sp o ræ
e v identer zona t im divi sæ e t totus h abi tus ita Cys toclonium æmu l a tu r ut
h u ic gene ri sp e c iem a d p ro x iman d am putaver im.
p a g . 3 5 3 i n s e r a t u r ;
2 . Catenella impudica (Aloni. Pl. Cell. Cent. II. n. 2 ) f r o n d e d e c
um b e n t e f e r e f la b e lla tim e x p a n s a a r t i c u l a t o - c o n s t r i c t a 2 - 3 -
c b o t om a , e q u a q u e d i c h o tom i a a p p e n d i c em p b a l lo id e um snbtiis
e m i t t e n t e , a r t ic u l is c om p r e s s i s o b l o n g o - e l l i p s o i d e i s d i am e t r o
2 — 3 p lo l o n g i o r ib u s .
Lomenta ria impudica ALont. l. c. in A n n . S c . N a t. X I I I , p . 1971! K ù tz .
Sp. Alg. p . 8631
Hab, a d s c o p u lo s m a r i t i in o s , æ s tu r e f l u e n t e d e n u d a t o s p r o p e
C a y e n n e ( L e p r i e u r ! ) ; ad i n s u l am lo l o (Hb. C r o u a n ! ) .