ALS 



tween the petals, as in chick- 

 weed : Alsinese, n. plu., al-sm'8-e, 

 a tribe of plants of which the 

 Alsine media, al>sln'-e med'-i-a 

 (L. medius, midst, middle), com- 

 mon chickweed, is the type, Ord. 

 Caryophyllacese. 



Alsodese, n. plu., dl-sod^-e (Gr. 

 alsodes, blooming, woody), a 

 tribe of the Violaceae or violet 

 family: Alsodeia, n., dl'so-di'd, a 

 genus of plants, Ord. Violacese. 



Alstonia, n., dl-ston'-i-d (after Dr. 

 Alston of Edinburgh), a tribe of 

 plants of the Ord. Apocynaceae : 

 Alstonia scholaris, skal-dr'-is (L. 

 schola, a school), a species used 

 in India as a tonic. 



Alstromeria, n., dV-strdm'er^d 

 (after Alstromer of Sweden), a 

 tribe of beautiful plants of the 

 Ord. Amaryllidacese. 



alterative, n., dwlt'er-dt'iv (L. 

 alter, another), a medicine which 

 is supposed to alter the condition 

 of the blood and tissues without 

 producing any apparent evacua- 

 tion : adj., having the power to 

 change or alter without sensible 

 evaeucation. 



alternate, a., dwU-Zrn'dt (L. alter o, 

 I do everything by turns ; alt- 

 ernus, one after another), in lot., 

 arranged at different heights 

 on the same axis, as leaves or 

 branches which stand out singly 

 and by turns with those of the 

 opposite side : alternate genera- 

 tion, a mode of reproduction 

 among the lowest animal types, 

 in which the young do not re- 

 semble the parent, but the grand- 

 parent. 



alternipinnate, &.,alt'$rn'i-pin'ndt 

 (L. alternus, one after another ; 

 pinna, a wing), in bot., applied to 

 leaflets or pinnse which are placed 

 alternately on each side of the 

 midrib, and not directly opposite 

 to each other; also called * altern- 

 ately pinnate.' 



Althsea, n., al-fhef-a (L. althcea, 

 Gr. althaia, the wild mallow 



14 AMA 



said to be from Gr. althos, a cure, 

 a remedy), a genus of tall free- 

 flowering plants, so called from 

 the medicinal qualities of some 

 of the species, Ord. Malvaceae : 

 Althsea officinalis, of-fts'-m-dl-ts 

 (L. officinalis, officinal from 

 officina, a workshop), the marsh 

 mallow, employed medicinally as 

 a demulcent and emollient : A. 

 rosea, roz'-e-a (L. rftseus, pert, 

 to roses from rosa, a rose), the 

 hollyhock, which yields fibres 

 and a blue dye. 



alumina, n., dl-dm'-in-d (L. alum- 

 en, alum), the clay, loam, or 

 other substance from which alum 

 is obtained ; pure alumina is an 

 oxide of the metal aluminum. 



alveolsB, n. plu., dl-ve'-ol-e (L. 

 alveus, a hollow, a cavity from 

 alvus, the belly, the abdomen), 

 in bot., regular cavities on a 

 surface, as in the receptacle of 

 the sunflower: alveolate, a., di- 

 ve' 81- at, deeply pitted so as to 

 resemble a honey-comb ; having 

 little hollows or cavities : alveoli, 

 n. plu., dl-ve'ol-i, the sockets of 

 the teeth: alveolar, &.,al-ve f '6l-ar, 

 and alveolary, a., -dr-i, connected 

 with the alveoli or sockets of the 

 teeth: alveus, n., al f >ve-us, in 

 anat., tubes or canals through 

 which a fluid flows, generally the 

 enlarged parts : alvine, a. , al'vin, 

 belonging to the belly, stomach, 

 and intestines ; the fseces or dung 

 are termed alvine discharges. 



amadou, n., amf-ad-6 (F.), German 

 tinder; a substance resembling 

 doeskin leather, prepared from a 

 dry leathery fungus found on old 

 ash and other trees. 

 amalgam, 11., am-al'gam (Gr. 

 liama, together ; gameo,! marry), 

 a compound formed of mercury 

 with any other metal. 

 Amanita muscaris, dm 'dn-iif-d 

 mus'kdr'-is (Gr. amanltes, a 

 mushroom ; muscarium, a fly-flap, 

 the hairy parts of plants from 

 musca, a fly), a species of fungus, 



