Verse 50

कालेन किंचिदालक्ष्य स्वशरीराकुलीकृताः ।शीतवातातपप्रौढाः प्रोल्लसत्पुष्पदीप्तयः

In plain words

Having, over time, perceived some little thing, thrown into turmoil by their own bodies, grown hardy through cold, wind, and heat, their brightness that of flowers bursting into bloom --