ARIL 53 



Aregelia O. Ktze. (Nidularium Leai.p.p.). Bromel. (4). 20 trop. Am. 

 Aremonla Neck. (Agrimonia L. p.p. BH.}. Ros. (HI. 5). i S.E. 



Eur. 



Arenaceous, arenarius (Lat.), growing in sandy places. 

 Arenaria Rupp. ex L. Caryophyllaceae (i. i). 100 N. temp.; 8 Brit., 



incl. A. (Honckenya) peploides L. (sea-purslane), common on sandy 



coast, with long creeping underground stems with scale 1., the green 1. 



fleshy with water tissue. A. Cherleria Hook. (Cherleria sedoides L.) 



is a tufted alpine pi. of Scotland. 

 Arenga Labill. Palmae (iv. i). 15 Malaya. Like Caryota, but spadix 



unisexual ; sta. oo , cpls. 3. A. saccharifera Labill. (gomuti palm) 



cult, for sugar (jaggery), obtained by wounding the young infl. and 



evaporating the sap. A var. of sago is obtained from the pith by 



washing and granulating. The tree flowers when mature, infls. 



appearing in descending order till it dies. An excellent fibre is 



obtained from the leaf-sheaths. 

 Areole, Cactaceae. 



Arethusa Gronov. Orchidaceae (n. 2). 4 Japan, Atl. N. Am. 

 Arethusantha Finet. Orchidaceae (n. 5). i trop. As. 

 Aretia Hall., L. (Androsace L. p.p.). Primul. 12 N. palaeotemp. 

 Aretiastrum DC. = Valeriana L. p.p. (Valer.). 

 Arfeuillea Pierre. Sapindaceae (n). i Siam. 

 Argun oil, cf. next. 

 Argania Roem. et Schult. Sapotaceae (i). i Morocco, A. Sideroxylon 



R. et S. The pressed seeds yield argan oil, used like olive oil ; the 



timber is hard and durable ; the fr. eaten by cattle. 

 Argemone Tourn. ex L. Papaveraceae (li). 12 trop. Am. 

 Argentate, argenteus (Lat.), silvery. 



Argentina Lam. (Potentilla L. p.p.). Rosaceae (in. 2). 5 N. Am. 

 Argillaceus (Lat.), growing on clay. 



Argithamnia Sw. Euphorbiaceae (A. n. 2). 8 S. Am., W. Ind. 

 Argomuellera Pax. Euphorbiaceae (A. n. 2). i trop. Afr. 

 Argophyllum Forst. Saxifragaceae (v). 10 trop. Austr., New Cal. 

 Argostemma Wall. Rubiaceae (i. 2). 65 trop. As., Afr. 

 Argylia D. Don. Bignoniaceae (2). 12 Chili. 

 Argyranthemum Webb. = Chrysanthemum L. (Compos.). 

 Argyreia Lour. Convolvulaceae (i). 40 trop. As., Afr. 

 Argyrocalymma K. Schum. et Lauterb. Saxifragac. (v). i New 



Guinea. 



Argyrocome Gaertn. = Helipterum DC. (Compos.). 

 Argyrolobium Eckl. et Zeyh. Leguminosae (in. 3). 60 Afr., Medit. 



to India. Mostly xero. Some have cleist. fl. 



Argyrorchis Blume (Macodes Lindl. EP.}. Orchid, (n. 2). i Java. 

 Argyrostachys Lopriore. Amarantaceae (3). i E. trop. Afr. 

 Argyroxiphium DC. Compositae (5). 2 Sandwich Is. Small trees. 

 Argytnamnia P. Br. = Argithamnia Sw. (Euphorb.). 

 Aria Jacq. f. = Pyrus L. (Rosac.). 

 Aridarum Ridl. Araceae (v). i N. Borneo. 

 Arikuryroba Barb. Rodr. Palmae (iv. 2). i Brazil. 

 Aril, an extra coat to the seed, Biop/iytiun, Dillenia, Durio, Euonymus, 



Marantaceae, Myristica, O.xalis, Phyllocladus, Podocarpns, Taxus, 



