The Ocean of Mantras

Jataveda All-knower, Seven-tongued, and also Havyavahana Carrier of Offerings. (141)
Also called by the name 'Ashvodara' Horse-belly, and likewise known as 'Vaishvanara'.
It has the brilliance of a youth, faces all directions, and is also called the face of the gods. (142)
Then one should place upon one's own body, from the golden seat,
The fire-mandala, the tortoise, and the others as prescribed. (143)
Pita Yellow, Shveta White, Aruna Reddish, Krishna Black, Dhumna Smoky, Tivra Intense, Sphulingini Sparkling,
Ruchira Bright, and Jvalini Flaming are the powers of the fire-seat. (144)
The seed is "Vangasana," and the seat-mantra ends in 'Hrid'.
Having placed the seat thus, one should contemplate the fire within the body. (145)
I worship the three-eyed Fire, with a reddish body, wearing pure white garments and a garland,
Holding a boon, a gesture of fearlessness, a swastika, and a weapon in his hands, situated on a lotus, adorned with many ornaments. (146)
Having meditated thus, one should perform the mental worship of the Fire according to the rules.
Then one should sprinkle water on the altar or the mound. (147)
One should spread the fire with darbha kusha grass tips facing east or north.
One should place three fences in order: west, south, and north. (148)
On these, made of Palasha Butea monosperma or Bilva wood apple wood, one should worship Brahma, Vishnu, and Shiva.
Having worshipped the seat of fire, one should invoke the Fire from one's own heart. (149)
Having worshipped with scents and other offerings, one should worship the fire-oblation.
In the six corners and the center, one should worship the tongues and their deities. (150)
One should worship the six in the corners from the Northeast to the Northwest.
Hiranya and the others up to Atirakta are in the corners, and Bahurupini is in the center. (151)

Regarding "Tara, etc.": Beginning with the syllable 'Om', followed by the names, ending in 'Namah'. For example, "Shrim Agnaye Jatavedase Namah" on the head, etc. (141-142). The powers of the seat, such as Pita, are to be worshipped according to the fire-mandala (143-144). "The seed": The seat mantra is 'Ram Vangasana Namah' (145).