The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 725
... heads aggregated into a secondary head with its own secondary involucre . Another assumption based on the premise that the flower head is a complete inflorescence is that the involucre primitively consisted of several series of green ...
... heads aggregated into a secondary head with its own secondary involucre . Another assumption based on the premise that the flower head is a complete inflorescence is that the involucre primitively consisted of several series of green ...
Page 726
... heads , terminal to the branches and more or less cymosely arranged . Each head had more or less numerous yellow flowers , collectively subtended by an involucre of several series of herbaceous bracts . The head may have been radiate or ...
... heads , terminal to the branches and more or less cymosely arranged . Each head had more or less numerous yellow flowers , collectively subtended by an involucre of several series of herbaceous bracts . The head may have been radiate or ...
Page 786
... head pointed or rounded without appendages ; pro- boscis eversible and unarmed ; body divided into distinct thorax and abdomen ; gills arise dorsally from thoracic region ; size , minute to 40 cm ; examples of genera : Scoloplos ...
... head pointed or rounded without appendages ; pro- boscis eversible and unarmed ; body divided into distinct thorax and abdomen ; gills arise dorsally from thoracic region ; size , minute to 40 cm ; examples of genera : Scoloplos ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe