GLOSSARY. 



245 



On'- pule (cupula, a little tub}. The 

 m mma-cup of liverworts. 



Cii' tide icuticula, the skin). The 

 outenno-,1 film or pellicle of the epi- 

 dermis, differing chemically from the 

 remainder of the cell-wall. 



I)T ma -to-gen (5e'p>Aa t skitt ; yetrau, 

 / produce). The layer of nascent 

 epidermis in the meristem of growing 

 points. 



l>i ebo r o moiisiSixa, in tivo ; rinviit, 

 1 cut). Forking regularly by pairs. 



I)i eot y-le'd-o-nous (6is, double; 

 cotyledon). Having two cotyledons, 

 or seed-leaves. 



l)i le'-cious (Si's, double ; OIKO?, a 

 house). Having the two sex-organs 

 borne by distinct individuals. 



K'l-a ter ('Aarjjp, one that expels). 

 Spirally thickened cells within the 

 sporogonia of some liverworts, which 

 in expelling the spores. 



K'ni bry-o ' t>|3pi>of . /art us, or embryo). 

 The young plantlet within the seed. 



Embryo-sac. The cavity, within the 

 nucellus, in which the embryo de- 

 velops. 



Fn do de'rm is it'i'Soy, within: fie'p/^a, 

 the skin). The layer of cells inclosing 

 th > tibro- vascular bundle ; the bundle 

 sheath. 



En do'g e nous (ei'fiof, within; 

 yci'i'aw, I produced. Originating from 

 internal tissues, and penetrating the 

 outer ones. 



K'n do sperm ui-Sor, within ; o-Tre'pjxa, 

 the seed). A parenchymatous tissue 

 developed within the embryo-sac. 



K'n do spore leVfioy, ivithin ; spore). 

 The inner layer of a spore-wall. 



Kn do I hr <! tun (ev&ov, ivithin; 

 theca). The inner wall of the theca. 



Fp-i-de'rm-is (en-i, upon; Se'pfxa, the 

 skin). The outermost layer of special 

 cells covering plant-surfaces. 



E'p-i-phragm (ewi, upon : <J>pa-y/ia, a 

 protection}. In mosses, a membrane 

 covering the orifice of the capsule. 



Ex o'g-e nous ('efw, outside : ytwdu. I 



produce). Originating from outer 



layers of tissue, 

 i: \ .. -.pore (tfw, outside\ spore). 



The outer layer of a spore-wall. 

 K'x tine Dexter, on the outside). The 



outer coat of a pollen-spore. 



l-'i IMT (fibra, a Jiber). A long and 

 slender, thick-walled cell. 



li Inous Composed of fibers. 



Fi bro-va's-cu-lar (fibra, a fiber; 

 vasculum, <t small vessel}. Composed 

 of fibers and vessels ; ffbro-vascular 

 bundles are the strands which make 

 up the framework of the higher 

 plants. 



Fl'l a-ment (filum, a thread}. The 

 stalk of the stamen, supporting the 

 anther ; also the individual threads of 

 algae or fungi. 



Flowering glume. In grasses, the 

 bract which subtends each flower, 

 sometimes called lower palet. 



Frond (frons, a leaf). A name given 

 to the leaves of ferns. 



riiiid:uiirnt:;l tiu-. That outside 

 the fibre-vascular bundles and in- 

 closed by the epidermis, but not in- 

 cluded in either. 



Fu-ni'c-u-lug (funiculus, a slender 

 rope}. The stalk of an ovule or seed. 



Gem' ma, pi. gemmae (gemma, a 

 bud). In bryophytes, many-celled 

 bodies for asexual propagation. 



Glau'-cous (yAavKos, pale green, fray]. 

 Whitened with a bloom, like that on 

 a cabbage-leaf. 



Glume (gluma, a husk). A chaff-like 

 bract belonging to the inflorescence 

 of grasses ; the outer glumes subtend 

 the spikelet ; the flowering glume is 

 the bract of the flower. 



Glu'ten (gluten, glue}. A general 

 term for the glue-like products of 

 plants, especially of seeds. 



Grain. A seed-like fruit, like those of 

 grasses, with pericarp adnate to the 

 seed ; also any small rounded body, 

 as of starch or chlorophyll. 



Growing point (punctum vegeta- 



