Encyclopædia Britannica: A New Survey of Universal Knowledge, Τόμος 11Walter Yust Encyclopædia britannica, Incorporated, 1947 |
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Σελίδα 24
... cones , and the crown of leaves appear above the ground level . Though cycads are regarded as woody plants , they really have only a scanty zone of wood surrounding the very large pith and surrounded by a very broad cortex . All cycads ...
... cones , and the crown of leaves appear above the ground level . Though cycads are regarded as woody plants , they really have only a scanty zone of wood surrounding the very large pith and surrounded by a very broad cortex . All cycads ...
Σελίδα 33
... cones with opposite or whorled or ovate - lanceolate . cone of Torreya ) and not the whole " cone. flat scales , the bracts between the scales remaining very small , the cones pollinated in autumn and com- pleting development in ...
... cones with opposite or whorled or ovate - lanceolate . cone of Torreya ) and not the whole " cone. flat scales , the bracts between the scales remaining very small , the cones pollinated in autumn and com- pleting development in ...
Σελίδα 33
... Cone scales four , in decussate pairs . Seeds with 3 wings , somewhat longer than the cone scales . Cone small , only 2 mm . in diameter . Diselma I sp . ( b ) Twigs flattened 6-8 mm . in width . Cones with oppo- sitely imbricated cone ...
... Cone scales four , in decussate pairs . Seeds with 3 wings , somewhat longer than the cone scales . Cone small , only 2 mm . in diameter . Diselma I sp . ( b ) Twigs flattened 6-8 mm . in width . Cones with oppo- sitely imbricated cone ...
Άλλες εκδόσεις - Προβολή όλων
Encyclopædia Britannica: A New Survey of Universal Knowledge, Τόμος 11 Walter Yust Προβολή αποσπασμάτων - 1956 |
Συχνά εμφανιζόμενοι όροι και φράσεις
16th century American appeared appointed archegonia army axis basilar membrane battle became born bract breakwater British cells centre century Charles chief church coast command cones conifers Cotyledons court Cupressaceae cycads death died district earl early east edition educated embryo embryogeny England English entrance French genera German Gustavus gymnosperms Gypsies gyro gyroscope Habsburg hair Hall hallucinations Hamburg Hamilton Handel Hannibal harbour Hastings Hausa Hawaiian important India industry island John king known land later Leipzig London Lord Lübeck manufacture ment nucellus original ovules Paris poems political pollen pollen tube polyembryony port president province published railway river Roman scale seed shelter ship species sporophylls sq.mi studied suspensor Taxodiaceae tion town trade tube usually uterus William