APO- 45 



Aphanostephus DC. Compositae (3). 5 Mex., U.S. 

 AphanostyHs Pierre (Clitandra p.p.). Apocyn. (i. i). 5 trop. Afr. 

 Aphantochaeta A. Gray (Pentachaeta p. p. EP.). Compos. (3). 2 Calif. 

 Aphelandra R. Br. Acanth. (iv. B). 60 warm Am. Cult. orn. fl. 

 Aphelexis D. Don (Helickrysum p.p. EP.}. Compos. (4). 10 Madag. 

 Aphelia R. Br. Centrolepidaceae. i S. Austr., Tasm. 

 Apheliotropism, negative heliotropism. 

 Aphloia Benn. (Neumannia A. Rich.). Flacourt. (4) (Bix. BH.). 



4 S. Afr., Madag., Masc. 



Aphora Nutt. = Argithamnia P. Br. (BH. ) = Ditaxis Vahl p.p. 

 Aphotic, dark. 



Aphragmus Andrz. (Braya p.p. BH.). Cruciferae (2). i Alaska. 

 Aphyllanthes Tourn. ex L. Liliaceae (m). i. W. Meclit., A. mon- 



speliensis L. The sol. fl. is surrounded liy an invol. of or., and is 



regarded as the only remaining fl. of a head; the other fl. are only 



repres. by their bracts. 



Aphyllarum Sp. Moore. Araceae (vi). i Matto Grosso. 

 Apfcyllon Mitch. (Orobanchc p.p. EP.). Orobanchaceae. 10 N. Am. 

 Apiiyllorcliis Blume. Orchidaceae (n. 2). 12 Indomal. 

 Aphylly, absence of 1. 



Apiastrum Nutt. Umbelliferae (in. 4). 2 N. Am. 

 Apical (plac.), at upper end of ovary. 

 Apicra Willd. Liliaceae (in). 10 S. Afr. Some, e.g. A.foliolosa\V]\\<\,, 



show extreme superposition of 1., forming almost solid masses of tissue. 



Many cult, orn fl. 

 Apiculate, with small sharp point. 

 Apinagia Tul. Podostemaceae. 16 Guiana, Brazil. 

 Apio, Arracada xanthorhiza Bauer &c. 

 Apiocarpus Montr. Staphyleaceae. i New Caled. 

 Apiopetalum Baill. Araliaceae (3). 2 New Caled. 

 Apios Moench. Leguminosae (in. 10). 8 N. Am.. E. As. A. tuberosa 



Moench is a climber with tuberous base. The keel of the fl. forms 



a tube which bends up and rests against a depression in the standard. 



When liberated by insects the tension of the keel makes it spring 



downwards, coiling up more closely, and causing the essential organs 



to emerge at the apex. Cult. orn. fl. 

 Apium (Tourn.) L. Umbelliferae (in. 5). 4Ocosmop., 3 Brit. A.graveo- 



kns L. is the celery. Cult., and the etiolation of the leaf-stalks by 



heaping earth over them, render the garden form ed. A var. is the 



turnip-rooted celery or celeriac. 



Aplectrum Torr., Nutt. Orchidaceae (n. 9). 2 N. Am. 

 Apleura Phil. Umbelliferae (i. 2). i Chili. 



AplolopMum Cham. (Haplolophium). Bignoniaceae (i). 3 Brazil. 

 Aplopappus Cass. {Haplopappus Endl.). Compos. (3). 125 W. Am. 

 Aplophyllum A. Juss. = Ruta L. (Rutaceae). 

 Aplotaxis DC. = Saussurea DC. (Compos.). 

 Apluda L. Gramineae (2). i Indomal., Madag. 

 Apo- (Gr. pref.), from ; -carpous, with free cpls., Raminculaceae, 



Rosaceae, &c. ; -gamy, omission of sexual process, Angiospermae, 



Aspleninm, Balanophora, Elatostema, Filicineae Leptosp., Pteris, 

 Todea ; -geotropic, -heliotropic, negatively g. or h., Bowenia ; 



