CLXIII. ALGM. 823 



Sub-Family Dicraucmece. 

 Dicranema. Soud., De-Toni, Syll. Alg. iv. 268. 

 setaceum, Soud., De-Toni, Syll. Alg. iv. 272. 



Family Rhodophyllidace^:. 

 Sub-Family Cystoclouiece. 

 Catenella, Grev., De-Toni, Syll. Alg. iv. 317. 



Opnntia (Good, and Woodw.), Grev., De-Toni, Syll. Alg. iv. 

 318. 



Sub-Family Soliericce. 

 Erythroclonium, Soud., De-Toni, Syll. Alg. iv. 353. 

 Sonderi, Harv., De-Toni. Syll. Alg. iv. 354. K. 

 Muelleri, Soud., De-Toni. Syll. Alg. iv. 355. 

 Solieria. /. Ag., De-Toni, Syll. Alg. iv. 365. 



chordalis (Ag.), De-Toni, Syll. Alg. iv. 366. 

 Eucheuma, J. Ag., De-Toni. Syll. Alg. iv. 368. 



spinosum (Linn.), J.Ag., De-Toni, Syll. Alg. iv. 369. 

 Thysanocladia, Eudl., De-Toni, Syll. Alg. iv. 379. 

 densa. Soud., De-Toni, Syll. Alg. iv. 380. 

 laxa, Soud., De-Toni, Syll. Alg. iv. 383. 



Order RHODYMENIN,E. 



Family Sphlerococcace.e. 



Sub-Family Ccratodictyece. 

 Ceratodictyon, Zauard, De-Toni, Syll. Alg. iv. 409. 



spongiosum, Zauard = Spougia cartilagiuea. K. 

 Gelidiopsis ? Schmitc, De-Toni, Syll. Alg. iv. 410. 



acrocarpa (Harv.), Schmitc, De-Toni, Syll. Alg. iv. 411 = 

 Gelidium acrocarpum, Harv., Syn. Ql. Fl. 794. 

 Sarcodia, /. Ag., De-Toni, Syll. Alg. iv. 413. 

 palmata, Soud., De-Toni, Syll. Alg. iv. 414. 



Sub-Family Gracilariece. 

 Gracilaria, Grev., De-Toni, Syll. Alg. iv. 428. — Agar-agar; edible, 

 lichenoides (Linn.), Harv., De-Toni, Syll. Alg. iv. 430. — The 

 substance Thao jelly is made from this plant. In India 

 it is known as Ceylon Moss, and is considered as a 

 nutritive, emollient, demulcent, and alterative {Dr. 

 Dymock) . 

 confervoides (Linn.), Grev., De-Toni, Syll. Alg. iv. 431. 

 var. capillaris (Kuetz.), F.v.M., Fragm. xi. Suppl. 22. 

 var. secundata, F . v. M., Fragm. xi. Suppl. 22. 

 tsenioides, /. Ag., De-Toni, Syll. Alg. iv. 432. 

 compressa (Ag.), Grev., De-Toni, Syll. Alg. iv. 438. 



