62 ASTIANTHUS 



Astianthus D. Don (Tecoma Juss. p.p. BH.}. Bignon. (2). i C. Am., 



Mex. 



Astichous, not in rows. 



Astilbe Buch.-Ham. Saxifragaceae (i). 20 As., N. Am. 

 Astiria Lindl. Sterculiaceae. i Masc. 

 Astoma DC. Umbelliferae (in. 4). i Palestine. 

 Astragalus Tourn. ex L. Leguminosae (in. 6). 1600 cosmop. exc. 



Austr. ; 3 Brit, (milk-vetch). Usu. on steppes, prairies, &c. and 



xero. often thorny ; the thorns commonly form by the stiffening of 



the petiole or midrib of the 1. when the blade falls off. A. gummifer 



Labill. and others yield gum-tragacanth, obtained by wounding the 



stem ; the gum exudes and hardens. 



Astrantia ( lourn.) L. Umbelliferae (n. i). 5 Eur., As. 

 Astrebla F. Muell. Gramineae (n). 3 Austr. 

 Astrephia Dufresne. Valerianaceae. 4 Chili. 

 Astrocalyx Merrill. Melastomaceae (n). i Phil. Is. 

 Astrocarpus Neck. Resedaceae. i S.W. Eur. 

 Astrocaryum G. F. W. Mey. Palmae (iv. 2). 40 trop. Am. Several 



yield fibre and oil, or are cult, as decorative. 



Astrocasia Robinson et Millspaugh. Euphorb. (A. i. i). i C. Am. 

 Astrochlaena Hallier f. Convolvulaceae (i). 20 Afr. 

 Astrococcus Benth. Euphorbiaceae (A. n. 2). 2 Brazil. 

 Astrodaucus Drude (Dauais p.p.). Umbelliferae (in. 2). 4 Medit. 

 Astroloma R. Br. (Styphelia p.p. EP.). Epacridaceae. 25 Austr. 

 Astronia Noronha. Melastomaceae (n). 30 Malay Arch., Polynes. 

 Astronium Jacq. Anacardiaceae (3). 10 S. Am. Hard wood. 

 Astrophiolate, with no strophiole. 



Astrophyllum Torr. et Gray. Rutaceae (i). i Mex., S.W. U.S. 

 Astrostemma Benth. Asclepiadaceae (n. i). i Borneo. 

 Astrothalamus C. B. Robinson. Urticaceae (3). i Phil. Is. 

 Astrotheca Miers (Clusia L. p.p. BH.). Guttiferae (v). i Brazil. 

 Astrotricha DC. Araliaceae (i). 6 Austr. 

 Astydamia DC. Umbelliferae (in. 6). i Canaries. 

 Asymmetrical (fl.), with no plane of symmetry, Canna, Marantaceae, 



Valerianaceae ; (1.), divided into unequal parts by midrib, Begonia, 



Ulmaceae. 



Asystasia Blume. Acanthaceae (iv. B). 30 palaeotrop. 

 Asystasiella Lindau. Acanthaceae (iv. B). 3 trop. As , Afr. 

 Ataenidia Gagnep. Marantaceae. i Gaboon. 

 Atalantia Correa, Rutaceae (v). 18 trop. As., China, Austr. 

 Atalaya Blume. Sapindaceae (i). 5 Austr., Malay Arch. 

 Atamasco Raf. =Zephyranthes Herb. (BH.) = Amaryllis L. 

 Atamisquea Miers. Capparidaceae (n). i Chili, Arg. 

 Atamosco, Zephyranthes texana Herb. 

 Atavism, cf. Reversion to type. 

 Atelandra Bello (Meliosma Blume EP.}. Sabiaceae [Myrsinaceae 



(BH.)]. 2 Porto Rico. 



Atelanthera Hook. f. et Thorns. Cruciferae (4). i W. Tibet. 

 Ateleia Moc. et Sesse. Leguminosae (in. i). 4 trop. Am., W.I. 

 Atelophragma Rydb. (Astragalus p.p.). Legumin. (in. 6). 6 N. Am. 

 Ater (Lat), black. 



