'■ llab. ad Indiam Üccidontalein ( I lb . Aspogien!) .
Frons p r ima r ia 2 lineas la ta, s u r sum sens im angus tior , 4—S-poll icaris,
inferne pinni s pauoi s elongati s, inter je ct is minor ibus donti formibus , obsita,
su p e rn o in corymbum dons is s imura soluta. Pinuulæ dent i formes inferiores
s impl iciusculæ comp r e s sæ subulatæ, su p e r io r e s magis magisque oomp o -
s i tæ subdichotomæ, ramis dis tichis e t q uoquover sum eg redient ibus divar ic
a t i s , su p r a s inum ro tu n d a tum inter iore la te re integr iuscul is , exter iore
dentatis, dent ibus emarginat is bif idisque. Su b s tan t ia ca rnoso-c a r t i lagine a .
Color in nos t r is sordide albens .
Quoad r amiücat ionem hæc species ad Sp hæro o o o cum p ro p iu s a c c e dere
videretur , s ed habi tus eximie ge la t inoso-c a r t i lagine us et s t ru c tu r a
Eu c h e umæ. ï u b u s cent ral i s S p hæro co c c i d e s ide ra tur . S t r a tum meduUare
c omp r e s sum; cæ t e rum s t ru c tu r a p ræc e d e n t ium.
7. E uch. GEr.AiiNÆ (E s p . F u c . ta b . 101 fig . 5 — 7 ) fronde prostrala
plana vage dlcbotomo-siibpinnata, segmentis linearibus apice
attenuatis, margino et pagina superiore papillis cylindraceo-
conicis obtusis densissime obsitis ant midis.
F u cu s gelat inus E sp . t. c.l Web. e t Mo h r. B e itr . I . p . 293!
S p hæro co c c u s gelat inus Ag. sp . p . 270. S y s t. p . 223! (excl . synon.)
K ü tz . S p . Alg. p . 776!
Hab. in mari Indiæ orientalis. (Hb. Mertens!).
F ro n s 3—4-pol l icari s , plana, 1— 2 lineas lata e t semi l ine am cras sa,
dis tiche expansa, dichotoma , su p e rn e sæ p e f labellatim 3—4 -ohotoma, s eg ment
is p a te n t ib u s l inear ibus, ma rgine n udis a u t dentatis, disco lævibus
a u t papi ll is dens is s imi s subve r t ic a l ibus l iueam longis oonico-cyl indraoeis
obs itis. Segme nta apice e t sæ p e b as i a t tenuata. S u bs tant ia c a rn o so -
ca rt i laginea et color sordide albens an teoedent ium.
Vix rai hi d u b ium videtur , quin hæ c species s u p r a alia corpora p r o s
t rata e x p a n d a tu r ; un a enim p agina lævis, al tera papillosa. S t ru c tu r a
cum, E. n uda eximie conveni t . S t r a tum p e r ip h e r ic um amplum. S p hæro sporas
gene ri s vide re credidi. Cum q u ib u sd am formis Gigar t inæ s t i r i a t e
hano q u a n d o q u id em confus am vidi.
8. E uch, speciosum ( S o n d . B o t. Z e i t . 1 8 4 5 p . 5 5 ) fronde complanata
dicbotomo-subpalraata, segmentis inferioribus cuneatis, superioribus
teretiusculis, omnibus dense rugosis et papillis elongatis
simplicibus ramosisve subulatis undique crinitis.
- Gigar t ina speciosa S o n d . t. c. e t Aly . P r e is s . p . 28. h u t z . S p . Alg.
p . 751 !
liai), ad littus occidentale Novæ Hollandiæ (P re is s ! ) et in insula
Van Diemen (sec. Sonder.) ,
Semipedal is a u t fere pedalis, la tior quam longa. Frondis cæsp i to sæ
p a r s in fer ior p e n n a ans e r ina c ras s ior te r e t iu scu la , mox complanata et
su b cu n e a t im expansa, dichotoma aut sub p a lma ta , segment is u sque poll icem
la t is ; super ior ibus angus t ior ibus , ob cras s i t iem fore teretiuscul is , omnibus
rugos is ver rucos isvo, atquo p r o c e s su b u s elongatis subulat is rig idis , simpl icib
us aut ramosis, a rugis u ndique pullulant ibus crinit is. S u bs tant ia c a rnoso-
cart ilaginea. Color ru b e r a u t p u rp u r a s c e n s , aut u t ro q u e mixto variegàtüs .
Species insignis, cæte r i s major. S t ru c tu r a Generis .
Species inquirenda.
9. Ge l id iu.m aculeatu-M (H e r . A n n . a n d M a g a z . o f N a t . H i s l \ 8 i 2 n .
9 1 ) f r o n d e c a r t i l a g i n e o - c o r n e a , r am o s a , a c u le a ta . K r a u s s . R e g
e n s b . F l . 1 8 4 6 j). 2 1 0 .
S p bæro c o c c u s Heringii K ü tz . S p . Alg. p, 775.
Hab. a d P o r t Natal (K r a u s s .! )
Basis callus exiguus . Fro n s 4—6 unciali s, inferne te ret iuscula nuda,
mox dichotoma , r a r iu s t r ichotoma, lineam orassa, c omp r e s s a yel t r i - .aut
quadrangular is . Aculei oppos iti tc rn a t im a u t q u a te rn a t im vertic illati, lineam,
longi, bas i dilata ti , subulat i horizontales. Inte r s t i ta ver t ici l lorum biliiiearia.
Color co c cineus fugax. Planta exs ic c a ta rigida, c h a r tæ non a d hær e n s .
Habitu ad Eucheuraata po t i s s imum ao oedi t ; s t r u c tu r a vero alia. Frons
s t rat is d u o b u s co ntexta. A Gracilar ia differt cellu lis s trat i cor t ical is , in
fila brevi s s ima moni ii formia conjunct i s . Affmitas hujus dis t inct i s s imæ sp e ci
ei mihi omnino dubia .
c m . D i c u r e l l a H a r v . N e r . A u s t r . ta b . L . Pliyllotyli sp. J .
A g . A lg . L ie b m . Gig a r t inæ, Gr a c il a r iæ , C h o n d r i e t S p hæ r o c o c c i
sp. A u c t .
F r o n s t e r e t i u s c u l a a u t c om p r e s s o - p l a n a d e c om p o s i t o - d i c h o t om a fastig
ia ta e t s n b fla b e lla ta , d u p li c i s t r a t o c o n t e x t a ; i n t e r i o r e c e llu lis
e l o n g a ti s o b lo n g i s , in axi a n g u s t i o r i b u s d o n s io r ib u s , s u p e r f ic i em
v e r s u s r o t u n d a t i s c o n s t a n t e ; e x t e r i o r e ce llu lis v e r t ic a l ib u s m i n
u ti s. C o c c id ia in f r o n d e s u b s p l iær ic e p r om i n e n t i a , g em m i d i a
o b o v a t o - o b l o n g a , in fills d i c b o t om o - f a s t i g i a t i s in v i c em lib e ris
a p l a c e n t a c e n t r a l i e g r e d i e n t i b u s e v o l u t a , in t r a p e r i c a r p i um
c e l lu l o s um d em u m c a r p o s t om i o a p e r t u m f o v e n t ia . S p h æ r o s
p o r æ i n n em a tl ie c i is s n p r a f r o n d em elfiisis n um e r o sæ , o b lo n gæ ,
z o n a t im divisæ. (H a r v . N e r . a u s t r . ta b . L . )
F r o n d e s n u n c te r e t i u s c u læ , n u n c c om p r e s sæ a u t foro p lanæ,
e a r n o sæ , e x s i c c a t i o n e p a r um c a rt l l a g in eæ , c o c c l i i e o - p u r p u r e æ , d i c b o -
tomiis r e p e t it is d e c om p o s i tæ , fastigiatæ e t p lu s m i n u s f la b e ll a te , r am u lis
l a te r a l ib u s d e s t i t u t e , n isi p r o l i lic a tio n e s r a r a s r am u l o s ex istira a re s.
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