358 BOTANICON SINICUM, 
Pie lu:—The hai tsao grows in Tung hai [in Shan tung, — 
App. 372. But Tung hai also means “ Eastern Sea "i 
ponds and marshes. It is gathered on the 7th day of the © 
7th month and dried in the sun. 
T‘ao Huna-xina :—It grows on islands in the sea, is 
of a black colour and has the appearance of flowing hair. 
The leaves are large and resemble those of the tsao [Pota- 
mogeton and other water-plants. See Classics, 401}. 
Cute Ts‘anc-K'1 [8th cent.]:—There are two kinds of — 
tsa, The § FE | ma wei (horse’s tail) tsao grows in 7 
shallow water. It looks like a short horse ~ tail, is fine 
leaved and black. Before use it must be steeped in water to_ 
remove the brackish taste. The other kind has large leaves 
and grows in the deep sea near the kingdom of Sin lo — 
[S. Corea, App. 311]. The leaves are like those of the shu 
tsao [Potamogeton and other sweet water-plants] but larger. . 
The sea people, having attached a rope to their waists, glide 
down to the bottom of the sea and so secure the seaweed. au 
Owing to the appearance of a large fish, dangerous to mer 
it cannot be gathered after the 5th month. This plant 3 
mentioned in the Rh ya [201]. : 2 
Su Suye [11th cent. ]:—This seaweed now grows in the = 
sea near Teng chou and Lai chou [both on the north coast 
of Shan tung], 
Lt Sut-cnen :—The hai tsao is gathered on the sea-coast. 
The Ye 2B hai ts‘ai (sea vegetable) is prepared from it. 
Oh RVG, 7 Had: tea oF ii BZ ZR ttow fa - 
(hair-of-the-head vegetable). The figure represents an - 
with verticillate leaves, 
Teen. Cat, 6 Had ts‘ai. Sargassum, ete. Alge.— a 
P. Situ, 5, Agar agar. : 
The hai tsao procured from Tien tsin, and exa — 
by Professor Agarpa in Sweden and Professor GOs! a 
