BAS 



46 



BEG 



basis, a base ; petalon, a leaf), 

 development of a leaf from apex 

 to base. 



basis, n., bds'is (Gr. basis, a base), 

 in med. , the chief ingredient of a 

 prescription. 



basis venae vertebrarum, bds'is 

 ven'e vert'$b-rdr'um (L. vence, 

 blood-vessels ; basis, of a base or 

 body; vertebrarum, of the verteb- 

 rae), the veins of the body of 

 the vertebrae ; the veins contained 

 in large tortuous channels in the 

 substance of the bones of the 

 vertebrae : basis cordis, kor'-dis 

 (L. cor, the heart, cordis, of the 

 heart), the base or broad part of 

 the heart. 



bass, n., bas, also bast, n., bast 

 (Dut. bast, bark, peel; Sw. basta, 

 to bind), the inner fibrous bark 

 of dicotyledonous trees, such as 

 the lime tree, from which matting 

 is made. 



Bassia, n., bds'si'd (in honour of 

 Bassi of Bologna), a genus of 

 handsome, lofty - growing trees, 

 Ord. Sapotaceae : Bassia butyracea, 

 but'$r-d's&'d (L. butyrum, Gr. 

 boutouron, butter), a tree which 

 yields a thick, oil -like butter. 



bassorin, n., bas'stir-m (first dis- 

 covered in Bassora gum], a sub- 

 stance obtained by treating gum 

 resin successively with ether, 

 alcohol, and water. 



bast, n., see * bass.' 



Batatas, n., bat-dt'as (Sp. batata, 

 the sweet potato), a genus of 

 plants, Ord. Convolvulaceae : 

 Batatas edulis, 'ed-ul'-is (L. edulis, 

 eatable), a plant which yields the 

 sweet potato also called 'Cam- 

 otas. ' 



bathymetrical, a., bath'-i-metf-riTc- 

 al (Gr. bathus, deep ; metron, a 

 measure), applied to the distribu- 

 tion of plants and animals along 

 the sea bottom which they in- 

 habit ; denoting the depths at 

 which plants grow on the sea 

 bottom ; denoting the depth of 

 any tissue or organ. 



Batides, n. plu., bat-id'-ez (Gr. 

 batos, a bramble), the family of 

 the Elasmobranchii, comprising 

 the Kays. 



Batrachia, n. plu., bat-rak'-i-a 

 (Gr. batrachos, a frog), applied 

 loosely to any of the Amphibia; 

 restricted sometimes to the Am- 

 phibians as a class, or to the 

 Anoura: batrachian, a., bat-rdk' 

 I' an, relating to frogs, toads, and 

 the like. 



Bauhinia, n., bdw-hm'i-a (in 

 memory of Bauhin, a botanist of 

 the 16th cent. ), a genus of plants, 

 Ord. Leguminosae, Sub-ord. 

 Caesalpinieae : Bauhinia tomen- 

 tosa, t&m f > en-tort a (L. tomentum, 

 a stuffing for cushions ; Sp. torn- 

 entoso, pert, to tow or horse- 

 hair), a plant whose dried leaves 

 and young buds are prescribed 

 in dysenteric affections : B. 

 variegata, var^i-eg-at'-a (L. 

 variegdtum, to make of various 

 sorts and colours), a plant, the 

 bark of which is used in tan- 

 ning leather: B. racemosa, ras'-Z- 

 moz'a (L. racemosus, full of clus- 

 ters, clustering from racemus, 

 a cluster of grapes), a plant whose 

 bark is employed in making ropes. 



Beaumontia, n., bo-mon'shi-d (in 

 honour of Lady Beaumont), a 

 magnificent Indian climber, hav- 

 ing splendid foliage and festoons 

 of enormous funnel-shaped, white 

 flowers. 



bebeeru, n., beb-er'6, also bibiru, 

 n., bib-er'6 (bebeera, the green- 

 heart tree, a supposed native 

 name ; Latinised name, bebeerlna), 

 the bark of the green -heart, a large 

 tree 60 feet high found in British 

 Guiana, whose wood is imported 

 for shipbuilding : bebeerin, n., 

 bZb-er'in, a vegetable alkaloid 

 found in bebeerina, possessing 

 tonic and other properties. 



begass, n., be-gas' (an American 

 word), sugar - cane after being 

 cut and crushed ; called megass 

 and trash in the West Indies. 



