12 ACER 



A. saccharum Marshall (A. saccharimim Wangenh.) and others 

 of the E. U.S. yield maple sugar (i 4 Ih. a tree) obtained by boring 

 holes in February and March and collecting and evaporating the juice. 

 Many yield good timber and charcoal. A number of Japanese sp., 

 with prettily shaped or varieg. 1., cult, as orn. shrubs. 



Aceraceae (Sapind. p.p. BH.}. Dicots. (Archichl. Sapindales). i gen. 

 (Acer, Dipteronia) with 120 sp. N. temp, and trop. mts. Trees 

 and shrubs; 1. opp., petiolate, exstip., simple entire or more often 

 palmately or pinnately lobed or cpd. Infl. racemose, corymbose, 

 or fasciculate. Fls. reg., andromonoec., androdioec., dioec., &c., 

 5-4-merous, usu. dichlam. Disc annular or lobed or reduced to teeth, 

 rarely absent. A 4 ro, usu. 8, hypog., perig., or on disc; $ fir. 

 with rudimentary G. G (2), 2-loc., lat. compressed ; styles 2, free or 

 joined below; ov. 2 in each loc., orthotr. to anatr., with dorsal raphe. 

 Fr. of 2 samaras, separating when ripe. Seeds usu. solitary, exalb., 

 the cotyledons irreg. folded. Many yi^ld good timber, sugar, &c. 

 (cf. Acer). Largely represented in the Tertiary. 



Aceranthus Morr. et Decne. (Epimedium Tourn. EP.}. Berberidaceae. 

 3 Chi., Jap. 



Aceras R.Br. Orchidaceae (n. i). i Eur. (incl. Brit.), Medit, A. 

 anthropophora R.Br., the man-orchis. Like Orchis. 



Acerates Ell. = Gomphocarpus R. Br. p.p. (Asclepiad.). 



Aceriphyllum Engl. Saxifragaceae (i). i N. China. 



Acerose, needle-shaped. 



Acetabuliform, like a shallow saucer. 



Acetosa Tourn. ex Mill. = Rumex Linn. (Polygon.). 



Acetosella Moehr. =Oxalis Linn. (Oxalid.). 



-aceus (Lat. suffix), like. 



Achaenipodium T. S. Brandegee. Compositae (=j). i Mex. 



Achaetogeron A. Gray. Compositae (3). 10 Mex., Calif. 



Achantia A. Chevalier. Sterculiaceae. i trop. Afr. 



Acharia Thunb. Achariaceae. i S. Afr. 



Achariaceae (Passifloraceae, p.p. BH.}. Dicot. (Archichl. Parietales). 

 3 gen., 3 sp. S. Afr. Herbs or undershrubs with reg. monoec. fl. 

 k;s 5, C (35), A 35 epipet., G (35) with oo ov. on parietal plac. 

 Caps. Endosp. 



Acharitea Benth. Verbenaceae (3). 2 Madag. 



Achatocarpus Triana. Phytolaccaceae (Amarant. BH.}. 10 trop. Am. 



Achene, a one-seeded small dry indehiscent fruit (q.v.) of i carpel. 



Achetaria Cham, et Schlecht. = Beyrichia Cham. (Scrophular.). 



AchiUea L. Compositae (7). 115 N. temp. A. Millefoliiun L. 

 (yarrow or milfoil) and A. Ptarmica L. (sneezewort) in Brit. 



AcMlus Hemsl. Zingiberaceae (i). i Siam. No stds. Unisex, fl. 



Achimenes P.Br. Gesneraceae (n). 25 trop. Am., often cult. 



Achlaena Griseb. Gramineae (6). i Cuba. 



Achlamydeous, without a perianth (q.v.}. 



Achlamydosporeae (BH.}. The sixth series of Monochlamydeae. 



Achlys DC. Berberidaceae. 2 Japan and Pacif. N. Am. The 

 perianth aborts early in development. 



Achneria Munro. Gramineae (9). 8 S. and trop. Afr. 



Ach.nopn.ora F. Muell. Compositae (3). i Austr. 



