graniticus 



Guardian-cells 



shape), having the shape of grains 



of corn, 

 graniticus (Mod. Lat.)> applied to 



plants growing on granite rocks, 



as certain Lichens. 

 Gran'ule, Gran'ula (granum, a grain), 



(1) any small particles, as pollen, 

 chloroplasts, etc. ; (2) the Naviculae 

 of Schizonema (fide Lindley) ; (3) 

 sporangia in Fungi (Lindley) ; (4) 

 by Frommann used for the 

 nucleolus-like structure in the 

 nucleus of the terminal cells of the 

 glandular hairs of Pelargonium 

 zonale. Ait. ; Gran'ula gonlma, the 

 gonidia in Lichens ; gran'ular, 

 granula'ris, (1) composed of grains ; 



(2) divided into little knots or 

 tubercles, as the roots of Saxifraga 

 granulata, Linn. ; gran'ulate, granu- 

 la'tus, means the same thing ; 

 granulif erous (fero, I bear), gran- 

 ule-bearing ; gran' 'ulose, granulo'sus, 

 composed of grains ; used as a 

 substantive by Naegeli for true 

 starch. 



Grape-sugar, a sugar found abund- 

 antly in the grape, dextrose. 



Grascila'tio (Mod. Lat.), used by 

 Desvaux for ETIOLATION. 



Grass-green, clear lively green, in 

 Latin, prasinus, gramineus. 



Grav'eolence (graveolentia, a rank 

 smell), a smell so strong as to be 

 unpleasant ; grav'eolent, grav'eo- 

 lens, strongly scented, of intense 

 and heavy odour. 



Gravita'tion (gravitus, weight), the 

 act of tending towards a centre, as 

 of the earth ; in botany sometimes 

 confused with Geotropism and 

 Apheliotropism. 



greasy, oily to the touch. 



Green-rot, a disease in wood, the 

 tissues becoming verdigris green, 

 ascribed to Peziza aeruyinosa, Pers. 



Greffe (Fr. ) graft ; ~ des Charlatans, a 

 fraudulent apparent graft, the 

 scion being passed through a hole 

 bored in the stock. 



gregarious (gregarins, belonging to a 

 flock), growing in company, asso- 

 ciated but not matted. 



grey, gris'eus (Lat.), cold neutral tint, 

 varied in tone. 



grisel'lus, gris'eolus (Lat. ), diminutive 

 of foregoing, somewhat greyish. 



Grit-cell, a sclerotic cell, as in the 

 flesh of pears. 



gromon'ical, an error of Lindley's for 

 gnomonical. 



Grossifica'tion (grossus, thick, facio, I 

 make), the swelling of the ovary 

 after impregnation ; gros'sus (Lat.), 

 coarse, larger than usual, used 

 adverbially as gros'se-crena'tus, ~ 

 serra'tus, coarsely crenate or 

 serrate. 



grossula'ceous, gros'sular, relating to 

 the gooseberry, Ribes Grossularia, 

 Linn.; Gros'suline, a principle 

 found in certain acid fruits. 



Ground-tissue, applied to the pith, 

 cortex, and medullary rays. 



GroVing- point, the extremity of the 

 stem, or cone of growth, the seat 

 of the activity of the apical cell, 

 and its divisions. 



Growth, increase by new cell-forma- 

 tion or extension of old cells ; 

 ~ Form, a vegetative structure 

 marked by some characteristic 

 feature which does not indicate 

 genetic affinity ; a tree, shrub, 

 sprout-fungus, are growth-forms ; 

 ~ Ring, the annual rings of growth 

 in exogens. 



Grub'bing, in forestry, the uprooting 

 of trees. 



gruinaTis (grus, a crane), shaped like 

 the bill of a crane, as the fruit of 

 Geranium. 



gru'mose, grumo'sus, gru'mous 

 (grumus, a hillock), divided into 

 little clusters of grains. 



Grund-Form (Germ.), the original 

 form, sometimes hypothetic, from 

 which other forms have been derived 

 by morphologic variation. 



Guar'anine, a bitter principle from 

 Guarana bread, or Brazilian cocoa, 

 isomeric with caffeine. 



Guard-cells, Guardian-cells, in stom- 

 ata, two cells which open or close 

 the stoma by their greater or less 

 turgescence. 



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