MAR 



252 



MAS 



tnargo, an edge, margtnis, of an 

 edge), in bot., having a distinct 

 edge or border of a different tex- 

 ture to the body. 



Marrubium, n., mdr-rdb'i-um (L. 

 marrubium, the plant horehound), 

 a genus of plants, Ord. Labiatse : 

 Marrubium vulgare, vul-gdr'% 

 (L. vulgar is, common, vulgar), 

 white horehound, a plant having 

 bitter tonic properties, a popular 

 remedy for coughs and asthma. 



Marsdenia, n., mdrz-den'-i-a (after 

 Marsden, author of a history of 

 Sumatra), a genus of interesting 

 plants, Ord. Asclepiadacese : 

 Marsdenia flavescens, fldv-Zs'enz 

 (L. flavescens, becoming golden 

 yellow), a plant suited for cover- 

 ing rafters, pillars, and trellis- 

 work : M. tinctoria, tingk-tor'-i-a 

 (L. tinctorius, of or belonging to 

 dyeing from tingo, I dye), a 

 species yielding a dye similar to 

 indigo. 



Marsileacese, n. plu., mdrtstt-Z-d'- 

 s%-e (after Count Marsigli, of Bol- 

 ogna), also called Rhizocarpese, 

 n. plu., riz f -d'kdrp'-%'e (Gr. rhiza, 

 a root ; Tcarpos, fruit), the 

 Pepperwort family, creeping or 

 floating plants found in ditches 

 and pools, and are apparently a 

 link between ferns and club- 

 mosses: Marsilea, n., mdr-sil^'d, 

 a genus of curious aquatic plants : 

 Marsilea macropus, maJc^ro-pus 

 (Gr. mahros, long ; pous, a foot), 

 also called. M. salvatrix, salv-at'> 

 riks (L. a saviour), the Nardoo 

 plant of Australia, the sporo- 

 carps of which have been used 

 as food by travellers in that 

 country. 



xnarsupium, n., mdr-sup<i-um (L. 

 marsupium, a pouch), the pouch 

 of marsupial animals ; a dark- 

 coloured membrane in the vitre- 

 ous body of the eyes of birds : 

 Marsupialia, n. plu., mdr-sup't- 

 dl f 'i-d, an Order of Mammals in 

 which the females generally have 

 an abdominal pouch in which 



they carry their young, as the 

 kangaroo. 



masked, a., maskt, in bot. 9 same 

 as 'personate.' 



masseter, n., mas-setf-er (Gr. 

 masseter, one that chews from 

 massdomai, I chew), a short, 

 thick muscle at the posterior 

 part of the cheek, which raises 

 the lower jaw: masseteric, a., 

 mas'set-er'-ik, applied to an 

 artery, a vein, or a nerve con- 

 nected with the masseter muscle. 



mastax, n., mad-talcs (Gr. mastax, . 

 the jaw, the mouth), the musc- 

 ular pharynx or buccal funnel, 

 into which the mouth opens in 

 most of the Rotifera. 



mastication, n., mast' ik- a' shun > 

 (L. masticdtum, to masticate ; 

 Gr. mastax, the jaw, mastakos, 

 of the jaw), the process by which 

 the food, when taken into the 

 mouth, is chewed into small 

 piecesby the teeth, andthoroughly 

 mixed with the saliva : mastic- 

 atory, a., md8t'4Tc-atf-8r-t, adapted, 

 for chewing : n., a substance to 

 be chewed to increase the saliva. 



mastich or mastic, n., mast'-ik (L. . 

 and Gr. mastiche, an odoriferous 

 gum from the mastich tree ; ; 

 mastzchdo, I chew ; F. mastic), , 

 a concrete resinous exuda- 

 tion furnished by the Pistacia; 

 lentiscus, Ord. Anacardiacese, the 

 Lentisk, a native of the islands 

 and coasts of the Mediterranean, 

 Hsed as a masticatory for con- 

 solidating the gums and cleans- 

 ing the teeth ; it enters into the 

 composition of varnishes. 



mastoid, a., mast'-dyd (Gr. mastos, 

 a breast ; eidos, resemblance), 

 nipple-like : mastitis, n., mast- 

 it'-is, inflammation of the breast : 

 mastodynia, n., mast'-o-dm'i-d 

 (Gr. odune, pain), pain in the 

 breast : mastosis, n., mast-oz'ts, 

 an osseous tumour of the breast : 

 mastoid process, the pointed 

 portion of the temporal bone 

 behind the organ of hearing, 



