Answer: I know it is late for the answer but this is for people who visit this question later.
Explanation:
When reading paragraphs 3 and 4 Muir uses many different words to show his views on nature. He has a positive view towards nature as he uses words such as "beautiful Calypso" "Cried for joy" "simple purity" and "flower people." Each of these words show a positive view towards nature as they contain words such as "beautiful" or "joy." He then says in paragraph 4 "It seems wonderful that so frail and lovely a plant has such power over human hearts." He is showing how such frail and lovely plants can have such a power over human feelings. He has many more views on nature and even shows in later paragraphs how other people might feel. He shares many of his views on nature throughout his story and makes it as perfect as can be.
<em>Thx so much! Hope this helps anyone out there!</em>