When does it say horehound in Where the Red Fern Grows?

In the novel "Where the Red Fern Grows" by Wilson Rawls, the term "horehound" is mentioned in Chapter 10 when Billy is describing the items he purchased for his dogs. He mentions buying horehound candy for himself and some tobacco for his grandfather. Horehound is a type of herb used in traditional medicine and candy-making, known for its strong flavor and potential health benefits. Its inclusion in the story adds detail to the setting and character interactions.