Valmiki Ramayana Yuddha Kanda Sarga 74 Shloka 65

महात्मा great soul, सःहनुमान् that Hanuman, ताः those, अपश्यन् not able to see, चुकोप became angry, कोपात् in anger, भृशम् jumping up, ननाद च roared, अनगिनिकाशचक्षुः eyes burning like like, अमृष्यमाणः , तम् , महीधरेन्द्रम् to the lordly mountain, वाक्यम् words, उवाच said.

The great soul Hanuman was not able to see, those herbs, became angry and his eyes were burning like fire in anger. He jumped up and roared and said to the lordly mountain.