Apothecary surnames could evoke images of healing, herbs, or perhaps a slightly mysterious, alchemical bent. Here are some options, categorized for different stylistic approaches:

Classic & Elegant:

• Aetherius
• Herbarius
• Sanitas
• Salvus
• Medicus
• Remedium
• Curatio
• Balmwood
• Greenleaf
• Stillwater

Mysterious & Alchemical:

• Nightshade
• Emberglow
• Shadowroot
• Ironwood
• Stoneheart
• Veridian
• Obsidian
• Serpentine
• Ebonleaf
• Crystalline

Rustic & Earthy:

• Meadowbrook
• Riverwood
• Oakhaven
• Stonebridge
• Willowbrook
• Hillside
• Fieldstone
• Hawthorne
• Elderwood
• Bramblewood

Unusual & Evocative:

• Moonshadow
• Starfall
• Whisperwind
• Dragonsbreath
• Ravenwing
• Silverleaf
• Goldthorn
• Ironbloom
• Sunstone
• Frostwhisper

Names incorporating specific herbs or ingredients:

• Wormwood
• Nightshade
• Lavender
• Foxglove (consider the potential toxicity implications for character backstory)
• Mandrake (similarly, consider the potential magical/dangerous implications)
• Hemlock (again, consider the toxicity for character backstory)

Remember to consider the overall tone and style of your campaign when selecting a surname. A whimsical campaign might suit a name like "Moonshadow," while a darker, grittier campaign might benefit from a name like "Nightshade" or "Ironwood."