48 APPLE 



Cainito L. ; sugar-, Anona squamosa L.; thorn-. Daiur Stra- 

 monium L. ; wood-, elephant-. 



Appressed, flattened down. 



Approximate, close together. 



Appunia Hook. f. Ruhiaceae (11. 9). 3 trop. S. Am. 



Aprevalia Bail!. Leguminosae (n. 7). i Madag. 



Apricot, Primus Armeniaea L. ; San Domingo-, RIammea americana L. 



Aptandra Miers. Olacaceae. 5 trop. S. Am., Afr. 



Apteria Nutt. Bunnanniaceae. 5 warm Am. 



Apteron Kurz. Khamnaceae. i Tenasserim. 



Apterous, wingless. 



Aptosimum Burchell Scrophular. (i. 2). 40 S. and trop. Afr. 



Aptotheca Mieis (Forsleronia) Apocyn. (inc. sed.). i Cuba. 



Apuleia Mart. Legum. (n. 5). 2 Brazil. A. praecox Mart excellent 

 timber. 



Aquaticus (Lat.), living in water. 



Aquifoliaceae (EP. ; Ilicineae BH.}. Dicots. (Archichl. Sapindales ; 

 Olacales BH.). 5 gen., 300 sp. temp, and trop. Shrubs and trees 

 with leathery alt., 1. with minute or no stips and cymose infl. 

 Fl. reg. unisexual, 3 6-merous ; no disc. Usu. K 4, 4, A 4, 

 G usu. (4), 4-loc., each with i or 2 pend. anatr. ovules. Drupe. 

 Endosp. Chief genus: Ilex. 



Aquifolium Tourn. ex Hall. = Ilex L. (Aquifol.). 



Aquilaria Lam. Thymelaeaceae. 8 Indomal., China. The wood of 

 A. Agallocha Roxb. (Calambac, aloe-wood, eagle-wood), in about 8 / 

 of the trees, is saturated with resin (agar), used in India as a drug 

 and perfume. 



Aquilegia (Tourn.) L. Ranunculaceae (2). 75 N. temp. A. vul 

 garis L. (columbine), Brit., cult. orn. fl., with many others and many 

 hybrids. Pets, with long spurs secreting honey (if. Delphinium). 

 Fl. of class H, protandrous, visited by humble-bees. Sta. often 50 

 or more, in whorls of 5. 



Arabian coffee, Coffea arable a L. 



Arabidopsis Schur. (Sisymbr'nim L. Bff., Stenophragma EP.}. Cruc (2). 

 4 Eur , W. As. 



Arabis Linn. Cruciferae (4). 220 N. temp., S. Am., 5 Brit, (rock- 

 cress). Cult. orn. fl. 



Araceae (EP.; Aroideae BH.). Monocots. (Spathiflorae). 105 gen., 

 1000 sp , trop. and temp. (92% trop ). Many types of veg. habit 

 herbs large and small, with aerial stems, tubers or rhiz., climbing 

 shrubs, climbing epiph., marsh pi., one water pi. (Pistia) &c. In 

 a few Pothoideae the stem is monopodial, but in most A. it is sym- 

 podial. Each joint of the sympodium begins as a rule with one or 

 more scale 1. before bearing fol. 1. Accessory (collateral) buds often 

 found in the leaf axils. Sometimes, as in Anthurium, Philodendron 

 &c., the axillary shoot is ' adnate ' to the main axis for some distance 

 (cf. Solanaceae, Zostera &c. ). The buds usually appear in the 1. 

 axils, but often get pushed to one side, and sometimes (e.g. Pothos) 

 break through the leaf-bases as in Equisetum. 



L. of many types. Pinnately and palmately divided I. are frequent, 

 but development not like that of such- leaves in Dicots. Holes are 



