Entada phaseoloides (Linn.) Merr. syn. E. scandens Benth. Family Fabaceae Used Part Fruits. Distribution Area The plant occurs throughout the sub-Himalayan tract, from Nepal eastwards ascending to 4,000 ft. in Sikkim, in Assam, Bihar and Orissa, and in the monsoon forest of western and eastern ghats; it is abundant in Andaman Islands. Common Uses . The seeds are considered tonic, emetic, antiperiodic and anthelmintic. A paste prepared from the seeds is applied locally for inflammatory glandular swellings. The stem is used as emetic. The juice of the wood and bark is used as an external application for ulcers.

Terminalia arjuna (Roxb.) Wight & Arn.= T. cuneata Roth Combretaceae Bark. A large, evergreen tree, common in most parts of India. . It is rare in the Karnatic, but is fairly plentiful in Tirunelveli and on the west coast. It extends north- wards to the sub-Himalayan tract, where it is distributed along the banks of streams; in Punjab, it is a cultivated tree. It is common in Chota Nagpur, Orissa and in the Northern Circars. The bark is astringent,sweet, acrid,cooling aphrodisiac,

Saraca asoca (Roxb.) De Wilde syn. S. indica auct. non Linn. Caesalpiniaceae (Fabaceae) Bark. Distribution Area It occurs almost throughout India up to an altitude of 750 m. in the central and the eastern Himalayas and the Khasi, Garo and Lushai hills; it is also found in the Andaman Islands.

Butea monosperma (Lam.) Taub. syn. B. frondosa Koenig ex Roxb. Family Fabaceae (Papilionaceae ) Used Part Fruit pieces Distribution Area It is common throughout the greater part of India, ascending the Himalayas up to 900 m and in peninsular India up to 1,200 m.

Vanda tessellata (Roxb.) Hook ex Don (=V.roxburghii R.BR.) Family Orchidaceaae Used Part Root. Distribution Area An epiphytic orchid, 30-60 cm. high, found from Uttar Pradesh to West Bengal, extending southwards to Kerala. . Common Uses . The root is a bitter heating alexiteric, antipyretic, useful in dyspepsia, bronchitis in lammations, rheumatic pains, diseases of the abdomen, hiccough, tremors. In Yunani system root is used as tonic to the liver and brain ; good for bronchitis, piles, lumbago toothache, boils of the scalp; lessens inflammation; heals fractures. The root is said to be fragrant, bitter and useful in rheumatism and allied disorder, in which it is prescribed in a variety of forms.

"The theory of the three humours is one of the fundamental principles of traditional medicine. As has been mentioned above, Ayurvedic theories draw an analogy with the universe, the physics of which serves as a model for an elementary physiology. Comparatively speaking, one may say that the bile (Thripa) corresponds to fire, the phelgm (Beken) to water and the air (Lung) to the wind of the universe. Each humour has its own function in this general system. - Air is responsible for respiration and bodily activity, speech and the mind. It controls blood circulation. It is dry and light.