Recreations in BotanyHarper, 1893 - 216 страница |
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Страница 3
... shrubs . One , a practical , shrewd man , told me that the dwarf sumac ( Rhus copallina ) was the poison- sumac ... shrub growing in swamps . Its bark is grayish ; its leaf - stems are red . The poison - ivy , a vine with three leaflets ...
... shrubs . One , a practical , shrewd man , told me that the dwarf sumac ( Rhus copallina ) was the poison- sumac ... shrub growing in swamps . Its bark is grayish ; its leaf - stems are red . The poison - ivy , a vine with three leaflets ...
Страница 56
... shrubs and trees of the parks , then the country and its miracles of new growth irresistibly at- tract us . An unrest pervades our city homes , and we desire nothing so much as to close the shutters and leave the homes , seeking for a ...
... shrubs and trees of the parks , then the country and its miracles of new growth irresistibly at- tract us . An unrest pervades our city homes , and we desire nothing so much as to close the shutters and leave the homes , seeking for a ...
Страница 58
... shrub , color and smoothness of bark , where found , and when . A parallel - veined leaf indicates that the plant is en- dogenous , like the lily , corn , grasses , and plantains . A netted - veined leaf , according to the shape , is ...
... shrub , color and smoothness of bark , where found , and when . A parallel - veined leaf indicates that the plant is en- dogenous , like the lily , corn , grasses , and plantains . A netted - veined leaf , according to the shape , is ...
Страница 60
... shrubs often attain their full length in a few weeks ' time , beginning in midsum- mer to form the next year's buds . Indeterminate growth is like that of the honey - locust and sumac , the raspberry shoots and perennial herbs . These ...
... shrubs often attain their full length in a few weeks ' time , beginning in midsum- mer to form the next year's buds . Indeterminate growth is like that of the honey - locust and sumac , the raspberry shoots and perennial herbs . These ...
Страница 89
... shrubs and small plants in his own vicin- ity with the keen en- joyment which attends the discovery of new truths . As morning dawns the sleeping leaves wake up — that is , resume their day LOCUST BRANCH ASLEEP position , reversing the ...
... shrubs and small plants in his own vicin- ity with the keen en- joyment which attends the discovery of new truths . As morning dawns the sleeping leaves wake up — that is , resume their day LOCUST BRANCH ASLEEP position , reversing the ...
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algæ animals anthers archegonia autumn bark bear beautiful belong berries bloom blossoms blue botanist botany bracts branches called calyx cells cellular clusters color common cones corolla covered daisy decay delicate disk Drosera edible feet high ferns fertilized flat fleshy flowers forests fronds fruit fungi fungus genus glands golden-rod grains grasses green grow growth hairs inches indusium insects labellum larvæ leaf leaflets leaves lichens liverworts living look microscope moist mosses mould orchids ovary ovules parasitic petals petiole pines pink pistils plants pods pollen pollen-grains pollinia produce prothallus protonema protoplasm purple rocks rootlets roots SEA-WEED seeds sepals shrubs side soil sometimes species spike sporangia spores spot spring stalk stamens stamens and pistils stem stigma stomata surface tall thallus thick tiny tissue trees tropics trunk twisted upper vegetable world wind woods yellow