GLOSSARY. 



Ab-stri'c-tiou (ab, off : stringo, / tie). 

 Partial or complete separation by con- 

 traction. 



A-na't-ro-pous (ara, up; Tptww, / 

 turn). Said of an inverted ovule or 

 seed which has the rhaphe extending 

 its whole length. 



Aii-drcB'-ci-uiii larjjp, a male ; OIKO, 

 a house). The stamens of a flower 

 collectively. 



A n mi lus (annulus, a small ring). 

 The elastic ring of cells around the 

 sporangium in ferns. 



A'n-ther tarflrjpos, Jlo-wery). The pol- 

 len-bearing part of the stamen. 



An-ther-i d-i um. pi. aiitheridia 

 (anther; tISos, form). The male or- 

 ^:in of the lower groups, analogous to 

 but not homologous with the anther 

 of phanerogams. 



A'li-ther-o-zoids (anther; ^wor, an 

 animal ; eI6o?, form). The male re- 

 productive bodies developed in an- 

 theridia. 



A'n-tho-tax-y (arOos, a flower ; rafi?, 

 arrangement). The arrangement of 

 flowers in a cluster ; inflorescence. 



Aii-ti'p-o-dal (ii'Ti, over against: 

 rrous, afoot). Said of a group of cells 

 at the end of the embryo-sac furthest 

 from the micropyle. 



A'p-i-oal (apex, the top). At the apex 

 or tip. 



A-po'ph-y-sis (an-6, from ; <u'<ris, na- 

 ture). In mosses, an enlargement of 

 the pedicel at the base of the capsule. 



Arch-e-go'n i-um, pi. archegonia 

 (ap\ij. beginning: -yoi'jj, offspring). 



The female organ of bryophytes and 

 pteridophytes. 



A-re'-o-la, pi. areolaB (areola, a small 

 open space). The spaces in a reticu- 

 lated surface, as in the thallus of 

 Marchantia. 



A s-co-spores. The spores formed in 

 an ascus. 



A s-cus, pi. ascl (a<7<co, a sac). The 

 spore sac of a large group of carpo- 

 phytes. 



A'x-i-al. Relating or belonging to the 

 axis. 



A'x-il (axilla, the arm-pit). The point 

 just above the attachment of a leaf to 

 the stem. 



A x-is (axis, an axle-tree). The cen- 

 tral part or longitudinal support on 

 which organs or parts are arranged. 



Bast (bass). In general, the phloem 

 region of a fibro-vascular bundle : or, 

 specifically, the fibers of the phloem. 



Bract (bractea, a thin plate). The 

 more or less modified leaves of a 

 flower cluster. 



Bry-o'ph-y-ta (,8pwoi', moss ; ^vrdf, a 

 plant). A primary division of plants, 

 named from its principal group, the 

 mosses. Bry'-o-phyte is the English 

 equivalent. 



Bu'l li-form (bulla, a swelling). Said 

 of enlarged or swollen cells. 



Ca 1 lus (callus, a callosity). A hard- 

 ened or thickened place ; technically 

 used of the thickening mass in a sieve- 

 plate, usually appearing as a layer on 

 each side of the plate. 



