वास्तु मण्डन (मण्डन सूत्रधार - गृह, राजप्रासाद, दुर्ग एवं नगर-वास्तु सटीक)

Ch. I – Miśrakādhyāyaḥ 27
83. Therefore, one should plant Bilva, Śamī, Bakula, Campaka, Punnāga,
Aśoka, Tilaka, Drākṣā (trees) near one’s house and can have a
flower garden also.
84-85. Dāḍima and Pippala should be discarded for rectifying of faults,
if any. If even after three hours, the shadow of a tree or a bush
continues to cast its shade on a palace, these are to be considered
inauspicious; so these are to be carefully avoided.
Thus ends the section on the shady trees.
86. When the Sun is either in the Tulā (Libra) or Meṣa (Aries) and
it comes in between Citrā and Svātī it is auspicious to determine
the Eastern direction. Likewise, it is marked with the rise of Kṛttikā
and Śravaṇā also.
87. The gnomon will be of 12 Aṅgulas and pointed, it is auspicious if
the radius is twice its size; then, it is to be placed in the centre
to determine the Eastern and Western directions with the help of
the shadow measured thrice.
88. At night when the sky is clear, three pitchers full of wealth and
grains with lamps on them should be serially placed facing
towards the North.
89. With the help of the pole star when the light of the lamps will be
in the same line, then the South and North direction can be deter-
mined with a thread⁶.
6. Similar verses in (1) Rājavallabha Maṇḍana -ch 1 Sl 9-10.
Aparājitapṛcchā - ch. 63, Śl 30-32.