246 



GLOSSARY. 



tionis). The group of meristem cells 

 at the growing tip of an organ, from 

 which the various tissues arise. 

 Gy-noe'-ci-um (yvv>7, a female ; OIKOS, 

 a house). The pistil, or collective 

 pistils, of a flower. 



Haus-to'-ri-a (haustor, a drinker). 

 The absorbing organs of certain para- 

 sitic plants. 



Her-ma'pli-ro-dite (ep/u.a<p6SiTos, one 

 ivko is both male and female). Hav- 

 ing both kinds of sexual organs borne 

 together on the same axis. 



Host. The plant upon which parasitic 

 plants [or organisms] develop, and 

 from which they derive their nourish- 

 ment. 



Hy-gro-sco'p-ic (uypo?, ivet ; o-KOTreto, 

 / look out for\. Having an avidity 

 for water. 



Hy-me'n-i-um (uju.rji', a membrane). 

 In fungi, a surface layer of vertical 

 filaments containing or bearingspores. 



Hy'-pha, pi. hyphse (v(fj, a -web). 

 The slender vegetative filaments of 

 fungi which may or may not be 

 woven into a mat (mycelium), or a 

 plant body. 



Hy-po-de'r-ma (UTTO. under; Se'p/ixa, 

 the skin). The thick-walled tissues 

 beneath the epidermis, which serve 

 to strengthen it, but do not belong 

 to the fibre-vascular bundle. 



In-eu'm-bent (incumbo, / lean upon). 

 Leaning or resting upon ; of cotyle- 

 dons, when the radicle is against the 

 back of one ; of anthers, when they lie 

 against the inner face of the filament. 



In-du'-si-xim, pi. indusia (indusium, 

 clothing). In ferns, a cellular out- 

 growth of the leaf covering the clus- 

 ters of sporangia (sori). 



In-flor e's-cence (infloresco, / blos- 

 som). The arrangement of flowers ; 

 or the flowering portion of a plant. 



In ter-ce'1-lu-lar. Between or among 

 the cells. 



In'-ter-node (inter, between ; nodus, a 

 joint). The part of a stem between 

 two nodes. 



In'-tine (inter, on the inside^. The in 

 ner coat of a pollen-spore. 



La'm-i-iia (lamina, a layer). The 

 blade, or expanded part, of a leaf. 



Leaf-trace. The ribro-vascular bun- 

 dles from the leaf which descend into 

 the stem, and sooner or later become 

 blended with its fibre-vascular system. 



L,i'g-ule (ligula, a small tongue). In 

 grasses, a thin appendage at the junc- 

 tion of leaf-blade and sheath. 



L,o'd-i-cule (lodicula, a small cover- 

 let). A small scale in the flower of 

 grasses. 



Ma'c-ro-spore (/Aaxpos, large ; spore). 

 The larger spore of the two kinds 

 produced by certain pteridophytes. 



Me'd-ul-la-ry (medulla, pith). Re- 

 lating to the pith ; medullary rays are 

 the pith-rays which pass outward 

 to the bark between the fibro-vascular 

 bundles. 



Mer-i's-tem (juepi^w, / divide). Tis- 

 sues in a nascent or differentiating 

 state. 



Me's-o-pliyll (/ueVos, middle ; <u'AAor. 

 a leaf). The green or soft tissue of 

 a leaf, supported by the framework 

 and exclusive of the epidermis, called 

 by the older botanists parenchyma. 



Mi'-cro-pyle (juiKpos, small ; TruArj. a 

 gate). The opening left by the in- 

 teguments of the ovule, and which 

 leads to the nucellus. 



Mi'-cro-spore (/ui/cpos, small ; spore). 

 The smaller spore of the two kinds 

 produced by certain pteridophytes. 



Mi'd rib. The central or main rib of 

 a leaf or thallus. 



Mon o-po'-di-al (/adi/os, single ; TTOVS, 

 a foot). Said of a stem consisting of 

 a single and continuous axis (foot- 

 stalk). 



My-ce'-li-um (/U.VKIJS, a mushroom; 

 At?, cloth). The filamentous vegeta- 

 tive growth of fungi, composed of 

 hyphse. 



Naked. Wanting some usual cover- 

 ing. 



