248 GLOSSARY 



Awn (on). The bristle or beard of barley and similar plants. 



Ax'il. The angle between the petiole and the branch on the upper side. 



Ax'is. The stem or other central line of the plant. 



Bac-te'ri-um, Tlie smallest organism known; micro-orfjanisms, destitute of 

 chlorophyll, w'hich multiply with great rapidity and cause putrefaction 

 and disease. 



Bast-cells. Long cells of bark. 



Beard'ed. Having tufts of long hairs, or awns. 



Ber'ry. A fruit with a fleshy pericarp. 



Bi'col'or. Two-colored. 



Bi-en'ni-al. Of two years' duration, bearing seeds the second year only. 



Bi-fo'li-ate. With two leaflets. 



Bi-la'bi-ate. Two-lipped. 



Bi'lobed. Two-lobed. 



Bi-loc'u-lar. Divided into two cells. 



Bi-no'mi-al. Having two names. 



Blade. The expanded part of the leaf. 



Bofa-ny. The science which treats of plants and plant growth. 



Bract. The small leaf or scale from the axil of which a flower or its pedicel 

 proceeds. 



Branch. A shoot growing from the stem. 



Bry-oph'y-ta. Moss and moss-like plants. 



Bud scales. Coverings of a bud. 



Bulb. An underground bud. 



Bulb-if'er-ous. Bearing or producing bulbs. 



Bulb'lets. Little bulbs, borne above ground. 



Ca-lyp'tra. The hood of the spore-case of a moss. 



Ca'lyx. The outer floral envelope. 



Cam'bi-um. An old name for the growing cells between tlio wood and hark ; 



nascent structure. 

 Cam'py-lot'ro-pous. Having the ovule curved, with tiie apex near the 



hiluin. 

 Cap'il-la-ry, or cap-il-la'ceous. Resembling hair; long and slender; the 



passage of water through small openings. 

 Cap'i-tate. Head-shapeil ; growing in close clusters of heads. 

 Cap'sule. A dry dehiscent seed vessel with more than one carpel. 

 Car'pel. A simple pistil. 



Car'un-cle. An excrescence near the liilum of some seeds. 

 Car'y-op'sis. A grain ; a thin, dry, one-seeded pericarp. 

 Cat'kin. An anient. 



