i§oo CRYPTOGAMIA. ALGAE. 1941, 1942, 



*fpinofa. Black-brown; branches diftincl, scute at the axils, aciite. 



Sow. t. 299. 

 *dichotoma. Black; repeatedly forked: branches diftinft, rounded at 



the axils. Sow. 7.98. 

 * patens. Black-brown : branches complicately interwoven. 



Sow. t. 392./'. 1. 2. 

 m hybrida. Dull faffron brown, fpreading. Sow.-igi.f. 3. 



1942. FUCUS. Seeds produced in cluftercd tubercles which 

 burft at their fummits* 



*Jiftuofus. Stem round: leaves oblong, undulate, flnuate-pinnatifid, 



ciliate on the margin; fringe linear-lanceolate, comprefled, fcmU 



niferous. Eng. Bot. 822. 

 polypodioides. Stem roundifh, fiexuous, branched: leaves membran- 

 ous, nervelefs alternately pinnate, obtufe entire. Mart. Cent 32. 

 KoeJreuteri. Membrano cartilaginous : ftem very fhort, round, 



branched: fronds entire, linear; younger-ones warty. 



Aft. Petrop. 11. / .23//. 1. 2. 

 Sanguineus. Stem round, branched: leaves petioled, fimple, elliptic, 



undulate, entire: tubercles peduncied, globular, mucronate. 



Eng. Bot. 1041, 

 volubilis. Frond flat, fpiral, perfoliate, repand-toothed. 



fVulf. col left. 3. ?. 13./. 2. 

 venojus. Frond flat, oblong, painted with warty veins. 

 contortus. Fronds flat, nervelefs, proliferous towards the top, a little 



twitted at the axils, denticulate on the margin, fomewhat undu- 



lat-e both fides. Gmel. t.22 f. 1. 

 *rufcif alius. Stem branched, winged: leaves oblong-oval, obtufe, flat, 



entire, pro'iferous with pellucid concatenate veins: tubercles 



globular, feflhe- Eng. Bot, 1395. 

 * Hyplogoffum Branched, winded: leaves linear-lanceolate, flat, 



entire, proliferous, with r.ticulate veins: tubercles globular, 



feflile; Eng, Bot- 1396. 

 *Palmetta- Stem round iimple; the tips expanded into nervelefs 



many-cleft leaves; fertile tubercles on the extreme fegments. 



Eng Bot % 1 1 20. 

 *membranaceus. Stem round, branched; the tips expanded into nerve- 

 lefs about 2-lobed leaves: feminal tubercles from the ftem, pe- 



duncled. Linn. Trans. 3. t. 1 6.f. 1. 

 *ovalis. Frond filiform, a little comprefled with uniform vague 



branches: leaves oval-oblong, fleihy, entire; upper-ones crowded. 



Evg. Bot. 711. 

 lendigerus. Stem filiform, branched : leaves lanceolate, ferrate : 



veficles racemed, iilicuious, tubercled. 



