Herbarium sheet, black horehound, Ballota nigra, found in a hedge at St Lawrence, Isle of Wight, 1841

Herbarium sheet, black horehound, Ballota nigra, found in a hedge at St Lawrence, Isle of Wight, 1841
Herbarium sheet, black horehound, Ballota nigra, found in a hedge at St Lawrence, Isle of Wight, 1841