400 Introduction to Botany. 



Allia'ceous (L. allium, garlic) : smelling like garlic or onions. 



Al'veolate (L. alveolus, a hollow or cavity) : pitted so as to appear somewhat 



like a honeycomb. 



Am'ent (L. amentum, thong or strap) : a bracted unisexual spike. 

 Amphit'ropous (Gr. amphi, around ; trope, a turn) : applied to ovules or 



seeds which are half inverted, with the point of attachment near the 



middle of one side. Fig. 299. 

 Amplex'icaul (L. amplecti, to encircle ; caulis, a stem) : applied to petioles 



or stipules encircling the stem. Fig. 264, 2. 

 Anat'ropous (Gr. ana, up ; trope, a turn) : having the ovule inverted as 



shown in Fig. 300. 

 Androg'ynous (Gr. aner, andros, man ; gyne, woman) : having staminate 



and pistillate flowers on the same inflorescence. 



An'giosperm (Gr. aggeion, vessel ; sperma, seed) : plant having seeds in- 

 closed in an ovary. 

 An'nual : enduring for a year. Annual ring : that portion of the wood of 



stem or root produced by one year's growth. Fig. 49. 

 An'nular (L. annulus, a ring) : disposed in a circle. 

 An'ther (Gr. antheros, flowery) : that portion of the stamen containing the 



pollen. Fig. 87. 

 Antherid'ium (the Greek diminutive ending idion + anther) : the organ of 



cryptogams which produces the sperms. Figs. 151 and 156. 

 Antherozo'id (Gr. zoon, animal ; eidos, resemblance + anther) : motile sperms 



produced in some cryptogams and in Cycads. Fig. 156. Same as Sperm. 

 Anthe'sis (Gr. anthesis, flowering) : the time or condition of expansion of 



the flower. 



Apet'alous (Gr. a, without ; petalon, a leaf) : without petals. 

 Apic'ulate (L. apiculum, a little point) : ending in a short, sharp, but not 



hard point. 



Appressed' : close and flat against. 



Arach/noid (Gr. arachne, spider, or spider's web ; eidos, resemblance) : cob- 

 webby. 

 Archego'nium (Gr. arche, beginning ; gone, race) : the organ of cryptogams 



and gymnosperms which produces the eggs. Figs. 151 and 156. 

 Are'olate (L. areola, diminutive of area) : divided into small spaces. 

 Ar/il : an expansion arising from the base of a seed and enveloping it, as in 



the seed of the white water lily. Ar'illate : having an aril. 

 Ascend'ing : rising obliquely. Ascending ovule : ascending from just above 



the base of the ovary. Fig. 308. 

 Asexual spore : a spore produced by the division of a mother cell without 



previous cell union. 



