CRYPTOGAMIA. ALGAE. 1942. Fucus. 180^ 



folypbyllus. Cartilaginous; flem roundiih, fiat ind toothed towards 



the top: leaves gradually dilated, entire. GmeL 31. J. 

 Flagellum. Stem fimple, leaflefs, fubcoriaceous. GmeL 

 Hcerofus. Leaflefs: ftems round, branched ; branches 2-rowed, 

 crowded, every where befet with filiform fprtading brifUes. 



Forsk. 

 fragilis. Stems filiform, forked, brittle, flat-topped, leaflefs; Forsk. 

 debilis. Stems round, branched, fomewhat flat-topped, tubular weak, 



leaflefs. 

 euneiformis. Leaflefs : branches alternate, 3-fided, jointed; joints 



wedge form; angles fubulate, toothed. Forjk. 

 vifcidus. Stems round, forked, flat-topped, branched, 2- horned at 



top. I'orji. 

 proJifer. Frondefcent, green, with ovate-flat proliferous ]o'm\.s*ForJk 

 hypnoides. Stem and branches vaguely fcattered, filiform, round- 



comprefled, cartilaginous, pinnate, with fubulate fegments. 



J acq. coll. 1. 

 - favus. Spongy: branches erect, fomewhat 5-angled, laciniate-tooth- 



ed, areolate, polifihed. Linn, fuppl. 

 *ciliatus. Membranous, tough, pinnate, clothed and fringed with 



fcattered fubulate moftSy fimple procefses bearing the feeds in a 



globular tubercle, E. Bot 1069. 

 * palmatus. Membranous, glabrous both fides, palmate; fegments 



oblong, nearly fimple. E. Bot. 1306, 

 *edulis. Fleihy, wedge form, nearly fimple, glabrous both fides, 



rounded at top, entire at the margin. Eng. Bot. 1307. 

 tngulatus. Stem flattiih: branches divaricate, forked, cloven at top: 



tubercles lateral and axillary, fcattered, minute, opake. GmeL 

 *FajcU. Somewhat leathery, fimple, linear, tapering to both ends, 



undulate, entire, without Rem. For. Dan. t 768. \ 



*Phyllitis. Membranous, thin, fimple, linear-lanceolate, entire, on a 



ihort compreifed ilem. F. Est. 1331. 

 *Jacharinus. Leathery, fimple, fword-ihaped, on a round rigid ftem, 



Eng. Bot, t. 1 376 

 *digitatus. Cartilaginous, palmate, with fword-ihaped fegments, 



on a round ftalk: root fibrous. Ner Brit. 3. 

 bicsrnis, Membranous, powdery, dilated, cloven at top, GmeL 

 Jerrulatus. Stems round, branched: leaves linear, fimple, ferrulate. 



Forjk. 

 linearis. Flat, linear, forked, taper, acute. Farjk % 

 plumaris. Stem round, creeping, branched upwards ; branches fea- 

 ther-like, leafy. Forjk. 

 ■foliifer. Fronds flat, gradually dilated, forked ; the extreme-ones 



warty, with a linear lanceolate entire leaf at the margin and top, 



Forjk, 



Z5 2 



