. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ybreak on the 15th May, to Tor, alittle Arabian village, which we made about noon the next day, when it disappeared, and the sea becameblue as before. During this time we must have passed through about 256 miles of the red plant. Comptcsrendus, —Similar appearances have been mentioned by Mr. Darwin ; and Mr. Hinds, when atanchor off Libertad in the Pacific, and at the Abrolhos, i)erceived large quantities of another species ofTrichodesmium, which a most disagre
. The vegetable kingdom : or, The structure, classification, and uses of plants, illustrated upon the natural system. ybreak on the 15th May, to Tor, alittle Arabian village, which we made about noon the next day, when it disappeared, and the sea becameblue as before. During this time we must have passed through about 256 miles of the red plant. Comptcsrendus, —Similar appearances have been mentioned by Mr. Darwin ; and Mr. Hinds, when atanchor off Libertad in the Pacific, and at the Abrolhos, i)erceived large quantities of another species ofTrichodesmium, which a most disagreeable smell. To this cause, or one of tlie same kind, is pro-bably referable the phenomenon mentioned in the Colombo Herald of May 14, 1844 : The sea to thesoutiiward of Colombo, and, more lately, opposite the fort itself, has presented a very uncommon appear- Fig. V.—1. Hydrodictyon utriculatum ; 2. portion of full-grown plant ; 3. portion of a joint in whichthe granules have commenced to dispose themselves in pentagons, the rudiments of the new VI.—Sphaerozyga spiralis. ] Fig. YU. examined by Dr. Uuger. When arrived at its full growth, it consists of transparentthreads of extreme fineness, packed together as closely as the pile of velvet ; theygreatly resemble, in general appearance, certain kinds of mouldiness. These threadsai*e terminated by an extremity about -j^o ^^ ^^ ^^^^^^ ^^ diameter, consisting of a longsingle cell, within which is collected some green mucilage intermixed with Unger assiues us that at thistime ro starch is present, but thewhole of the green matter is of thenature of gum, as is proved by theaction of iodine upon it. The con-tents of the cell are seen to be inconstant motion, dii-ectiug them-selves in lines such as are repre-sented at Fig. 5. While this isgoing on, the end of the cell con-tinues to grow, and at the sametime the contents collect at theextremity, and distend it into asmall head in form
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