H a X e F J i n .
P la t e LXIII.
CHONDRUS CRISPUS, Lyngh.
G e n . C h a e . Frond cartilaginous, nerieless, compressed or flat, flabelHform,
dichotomously cleft; formed internaby of three strata; the « » e r, of
densely packed, longitudinal fibres; the medial, of small, roundish
cells; the outer, of vertical, coloured, moniliform filaments. Fructification,
1, prominent tubercles [nemathecia) composed of radiating
filaments, whose lower articulations are at length dissolved into
spores (?); 3, tetraspores coUeoted into sori, immersed in the substance
of the frond. C h o n d e t j s (Sfoc/f.)—from x^Spos, cartilage.
C h o n d e u s erispus-, f r o n d s tip i ta t e , th io k is h , c a r t il a g in o u s , fla t o r c u r le d ,
s e gm e n ts w e d g e - s h a p e d , v e ry v a r i a b le i n b r e a d t h ; a p ic e s tr u n c a t e ,
s u b em a rg in a te o r c lo v e n ; a x ils o b t u s e ; s o r i e llip tic a l o r o b lo n g , c o n c
a v e o n o n e s id e .
CnoNDEUS e risp u s, Lyngl. Hyd. Ban. p . 15 t 5. A. B . Grev. A f f B n t
p. 129. 1 .15. Hook. Br. m . v X n . p .3 6 2 . Harv. m M a ff M. Hvb
part 3. p. 201. Wyatt, Alg. Baum. no. 118 and 119. Fndl. 3rd Snmvl.
p. 39. Harv. Man. p. 77. Kiitz. Fhyc. Gen. p. 398. t. 73. iii.
C h o n d r u s p o lym o rp h u s, Lamx. Fss. p . 3 9 .
Chondeus incurvatus, Kiitz. Phyc. Gen. p. 399. t. 73. ii.
Chondeus celticus, Kiitz. I. c.
S ph a ieo co o cu s e risp u s , Sp. Alg. vo\.i. p . 2 5 6 .
FI. Fdin. p. 294. Spreng. Syst. Veg. vol. iv. p. 335.
F u c u s e risp u s , Linn. Mant. p . 1 3 4 . Syst. Nat. vol. ii. p . D 8 . m O i voL iv
p . 1 0 6 . Stack. Ner. Brit. p . 6 3 . t . 1 2 . Turn. Syst. vol. u . p . 3 2 6 Hiet
1 .2 1 6 , 2 1 7 . Clem .Ess.p .3 \3 . Wahl. I I . Lapp. p. 491. F. Bot. t. 2235.
Fuous ceranoides, Gm. Hist. Mce. p. 115. t. 7. f. 1. (Fxcl. syn. Unn.). H uA
FI. Ang. p. 532. Ugldf. FI. Scot. p. 913. Both, FI. Germ. vol. m. p. 456.
Fsper, Ic. Fuc. vol. i. p. 143. t. 98. f. 1, 2, 3.
F u cu s membranifolius. With. vol. iv. p. 106 (not of Gooden, and Woodw.).
F ucus p o lym o rp h u s, Lamx. Biss. p . 1. (e x c lu d in g th e fo u r th series').
F u cu s stellatus. Stack. Ner. Brit. p. 53. 1 .12.
F u cu s lacems, Stack. I. c. p. 50. 1 .11.
F u cu s c risp a tu s , FI. Ban. t . 8 2 6 .
Fuous filiformis. Huds. FI. Ang. p. 585.
F u cu s patens, Gooden, and Woodw. in Unn. Trans, vol. iii. p. 173.
H a b On rocky sea shores, extending from three quarfers tide level to low
water mark, and beyond it. Perennial. Spring and Summer. Very
abundant on the shores of the British Islands.
G e o g e . D i s t e . Shores of Europe from North Cape to Gibraltar. Not found in
the Mediterranean ? Eastern shores of North America.
p. 219. Grev.