GLOSS AI Y- 
A, when beginning a Greek derivative, signifies a want of something, or a negative (acau 
lescent —without a stem). 
Abnormal, contrary to the usual order of things. 
Aboriginal, truly original. 
Aborigine, in this work means the American Indian. 
Abortion, an imperfect formation, or the non-formation, of some part. 
Abortive, imperfect or rudimentary (the stamen, plate 113, fig. 5). 
Abrupt, suddenly terminating ; as 
Abruptly pinnate, without an odd leaflet at the end. (Plate 35, fig. 10.) 
Acaulescent, apparently stemless. (Plate 19, fig. 1.) 
Accumbent, lying against a thing. 
Acetabuliform, saucer-shaped. 
Achenium, pl. achenia, a one-seeded, seed-like fruit. (Plate 95, fig. 6.) 
Achlamydeous, without floral envelopes. 
Acicular, needle-shaped. 
Acinaciform, scimitar-shaped. 
Acrogenous, growing from the apex. (Plate 179, fig. 2.) — 
Acrogens, or acrogenous plants, the higher cryptogamous plants. 
Aculeate, armed with prickles. (Plate 33, fig. I.) 
Aculeolate, slightly prickly (the stem of fig. 1, plate 155). 
Acuminate, taper-pointed (the leaves of fig. 6, plate 152). 
Acute, merely sharp pointed (the leaves of fig. 8, plate 156). 
Adelphous, said of stamens when joined in a fraternity. 
Adherent, sticking to, or growing fast to, another body (calyx to ovary, fig. 3, plate 70). 
Adnate, said of an anther when fixed by its whole length to the filament. (Plate 80, fig. 8.) 
Adventitious, out of the usual place. 
Adventive, said of foreign plants when sparingly introduced—not really naturalized.. 
quilateral, equal sided. 
Estivation, the arrangement of the parts in the flower bud. 
Akenium, or akene. See achenium. 
Ala, pl. ale, a wing ; the side petals of a papilionaceous corolla. (Plate 46, fig. 3, 2.) 
Alate, winged; as the seeds of the ash. (Plate 137, fig. 4.) 
Albumen, a vegetable product stored with the embryo in the seed. (Plate 142, fig. 4.) 
Aléuminous, furnished with albumen. 
Alexipharmic, that which obviates the effects of a poison. 
Alexiteric, something that thwarts the action of venom. 
Alternate, said of leaves when arranged one after the other. (Plate 81, fig. 1.) 
Ament, a catkin. (Plate 156, fig. 1.) 
Amorphous, without definite form. | 
Amphitropous, an ovule attached by the middle of one side, 7 ¢. the raphe truly lateral. 
(Plate 9, fig. 4.) 
Amplectant, embracing. 
