GLOSSARY OF TECHNICAL, TOPOGRAPH- 

 ICAL, AND ECOLOGICAL TERMS. 



AcaulesceiU, apparently stemless, 

 the leaves borne at the surface 

 of the ground and the flowers 

 sessile or borne on a scape. 

 (See Caulescent.) 



Accessory, something additional. 



Accrescent, increasing in size or 

 length with age, as the calyx 

 or pedicel after flowering. 



Acerose, needle-shaped, like Pine 

 leaves. 



Achene, a dry indehisceut 1-seeded 

 fruit. 



Acorn, nut of the Oak. 



Acuminate, tapering gradually to 

 the apex. 



Acute, with a sharp point. 



Adherent, growing fast to or 

 united with another body. 



Adnate, growing fast to; literally, 

 born united to another body. 



Alternate leaves or branches, only 

 one from each node. 



Ament, a catkin or scaly spike, 

 as in the Oaks or Alders. 



Amplexicaid leaf, a sessile leaf 

 with the base of the blade clasp- 

 ing the stem. 



Anastomosing, said of veins, 

 nerves or similar structures 

 which run into each other or 

 branch and tend to form a net- 

 work. 



Andro-dicecious, having flowers 

 on one plant staminate, on 

 another perfect. 



Andrcecium, name for the whorl 

 of stamens of a flower. 



Androgynous, having both stami- 

 nate and pistillate flowers in 

 the same cluster. 



(572) 



And ro-moncecioiis, having perfect 

 and staminate flowers on the 

 same plant. 



Annual, flowering and fruiting In 

 the first year or season and 

 then dying. 



Anterior, the side in front; in an 

 axillary flower, the side away 

 from the axis; inferior. 



Anther, the sac or sacs containing 

 the pollen, the essential part of 

 the stamen. 



Antheroid, having something of 

 the nature of an anther. 



Anthesis, the period during which 

 a flower is expanded, the 

 stigma receptive and the an- 

 thers shedding pollen. 



A])etalous, without petals. 



Apiculate, ending in a short- 

 pointed tip. 



Appeiidage, any supplementary 

 or superadded part. 



Appressed, fl.attened or pressed 

 against another body but not 

 united with it; hairs lying 

 flat on leaves are appressed. 



Aquatic, living or growing in 

 water; an ' ' aquatic plant ' ' 

 may be wholly submersed or 

 with only the base in water. 



Areola, an area with a distinct or 

 raised boundary, the spaces be- 

 tween the reticulations or veins: 

 in Compositaj the disk or circle 

 at the summit of the achene 

 where sat the corolla. 



Aril, an appendage of a seed 

 growing at or about the hilum 

 or summit of the funiculus. 



Arillafc. furnished with an aril. 



