 | James Townsend Mackay - Botany - 1836 - 684 pages
...E. Bot. t. 1551. Uocks and stones in the sea, very common. 2. U. Lactuca, Linn. Lettuce green Laver. Frond at first obovate, saccate, inflated, at length...cleft down to the base, the segments plane, unequal, laciniate, semi-transparent. Grev. — Hook. Br. l-'lv ii. p. 311. Rocks, &c. in the sea. Substance... | |
 | William Henry Harvey - 1841 - 304 pages
...inches wide, variously waved and lobed. Fructification covering the whole frond. 2. U. Lactuca, Linn.; frond at first obovate, saccate, inflated, at length...segments plane, unequal, laciniated, semi-transparent. Grev. — Hook. I. c. p. 311; Grev. Crypt. Fl. t. 313. 3. U. Lima, Linn.; frond linear-lanceolate,... | |
 | James Edward Smith, Sir William Jackson Hooker, Miles Joseph Berkeley - Botany - 1844 - 896 pages
...temples to assuage headache in fevers, and to procure sleep. 2. U. Lactuca, Linn. (Lettuce green-Laver) ; frond at first obovate saccate inflated at length...segments plane unequal laciniated semitransparent. Grev. — Ag. Sp. Alg. v. 1./J.409. Grev. Crypt. Fl. t. 313. In the sea, on rocks and various marine... | |
 | James Sowerby - Botany - 1846 - 856 pages
...and among the islands of the Pacific it is us common as with us. ULVA LACTUCA. Lettuce Green Lacer. " Frond at first obovate, saccate, inflated, at length...segments plane, unequal, laciniated, semitransparent." Ulva Lactuca, Linn. Spec. Plant. Agardh Spec. Alg. \. 409. Greville Alg. Brit. 172. Crypt. Fl. tab.... | |
 | William Henry Harvey - Marine algae - 1851 - 352 pages
...scattered over the whole frond. ULVA (L.), — supposed to be from Ul, water in Celtic. ULVA lactuca; "frond at first obovate, saccate, inflated, at length...segments plane, unequal, laciniated, semitransparent." Grev. ULVA lactuca, Linn. Sp. PI. p. 1632. LigUf. M. Scot. p. 970. in part. Ag. Sp. Alg. vol. ip 409.... | |
 | William Henry Harvey - Algae - 1857 - 188 pages
...Kiitzing. Sect. 2. ULVA. Membrane formed of a single layer of cellules. 4. ULVA lactuca, Linn. ; " frond at first obovate, saccate, inflated, at length...segments plane, unequal, laciniated, semi-transparent," Grev. Lin. Sp. PL p. 1632. Ag. Sp. Alg. ], p. 409. Grev. Crypt. Scot. t. 313. Harv. Phyc. Brit. t.... | |
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frond at first obovate, saccate, inflated, at length cleft down to the base ; the segments plane, unequal, laciniated, semi-transparent, 