Possible Clues:

• Sea creature; growth
• Growth of Tallis's music, say, after 50% cut
• Old academic institution beginning to plan for growth
• Could be an octopus put heartlessly in the drink
• Hydra, e.g.
• Hone could make the little creature have two values, by the sound of it
• Growth of college parking
• Growth
• Vascular growth
• At college, positive identification of tumour