Agamous 



A DICTIONARY 



Albumen 



iridium or asexually produced 

 spore of any kind. (Rare.) 



AG'AmoUS, see Agamic. 



AGGLOMERATE, see Agglom- 

 erated. 



AGGLOM'ERATED, clustered or 

 crowded together but not co- 

 hering, as the staminate flowers 

 of pines. 



AGGLU'TiNATED, glued to- 

 gether. Compare Accrete. 



AGGREGATED, collected to- 

 gether but not cohering. 

 About the same as Agglomer- 

 ated. 



AG'GREGATE FLOWERS, those 

 with several in the same head, 

 as in clover. The term ex- 

 cludes Composite. 



AG'GREGATE FRUIT, one in 

 which distinct carpels of a 

 single flower are crowded on 

 the receptacle into one mass, 

 as in the raspberry and magno- 

 lia; syncarp. Compare Col- 

 lective Fruit. 



AGGREGA'TION, the condensa- 

 tion of the protoplasm of a liv- 

 ing cell, or of some of the 

 contained proteids under stimu- 

 lation: first observed in the 

 tentacle cells of Drosera and 

 subsequently produced in the 

 cells of other plants by means 

 of various basic substances 



Agricultural botany, that 



branch of economic botany 

 which treats of weeds and cul- 

 tivated plants. It includes the 

 systematic study of such plants 

 and their methods of reproduc 

 tion, the laws of improvement 

 and degeneration in plants, 

 etc., also vegetable pathology 

 in its application to cultivated 

 plants. 



AGRdSTdG'RAPHY, see Agrob- 

 tology. 



(i 



AGR6st6l'66y\ the part of bot- 

 any relating to grasses. 



AG'YNOUS, without pistils. 



Al'GRET, an}' feathery crown or 

 tuft attached to the seed, as 

 the coma of the milkweed or 

 pappus of the thistle; aigrette; 

 egret. 



AIGRETTE', see Aigret. 



AIR-BLADDER, an organ filled 

 with air for the purpose of 

 floating the plant in water, as 

 in the sea-weed Fucus; air-sac; 

 air-cell. 



AIR-CHAMBER, see Stomatic 

 Chamber and Air-passage. 



AIR-PASSAGE, an extended open- 

 ing between the cells contain- 

 ing air, as in the stems of 

 many water-plants; lacuna; 

 air-chamber. 



AIR-PLANT, a plant growing in 

 the air detached from the soil, 

 as certain orchids; serophyte. 

 Generally applied only to epi- 

 phytic flowering plants. 



AIR-PORE, see Stoma. 



AKENE' see Achenium. 



AlA (pi. Alse), see Wing. 



AlAbAs'TRUM, an old term for 

 flower-bud. 



A'LAR, (1) borne in the forks of 

 astern; (2) relating to or hav- 

 ing wings. See Alate. 



A'LATE, see Winged. 



^LATE-PINNATE, pinnate with 

 a winged petiole. 



ALBESCENT, whitish; candi- 

 cant. 



AL'BlcANT, see Albescent. 



AL BINISM, see Chlorosis. 



ALBI'NO, a plant or variety near- 

 ly destitute of chlorophyll, or 

 of which the fruit is abnormal- 

 ly white or colorless. 



ALBU'MEN, nutritive material in 

 many seeds surrounding or 



