A. 



ABRUPT leaf A pinnate leaf, which has not an odd, or terminal leafet. 



ACCESSORY. Additional. Annexed and of a different kind, when ap- 

 plied to the border, &c. of the receptacle of a lichen. 



ACIXACIFOUM leaf. Sabre-form. One edge sharp and convex, the 

 other thicker and strait or concave. Cutlass-form. 



ACTIVE. One of the little globules constituting- a compound berry ; as 

 the raspberry. 



ACUMITTATE, 16 ACUTE, 17. 



ADJTATE. Adhering. Any two or more parts of the. plant being at- 

 tached to each other. 



AGGREGATE, 13. 



AioaETTE, EGRET The flying, feathery or hairy crown of seeds ; as 

 the down of ihistles and dandelion*. It includes whatever remains 

 on the top of the seed after thecorol is removed. 



stiped (stipulatus) when it is supported on a foot-stem. 



simple (simplex) when it consists of a bundle of simple hairs, with- 



out branches 



plumose (plumosus) when each hair has other little hairs arranged 



along its sides, like the beards on a feather. 



membranous, thin transparent leaves. 



ALTERNATE. Branches, leaves, flowers, &c. are alternate, when aiv 

 ranged upon opposite sides of the stem, or whatever supports them ; 

 beginning- at different distances from its base, and continuing in 

 nearly equal series. Sometimes they are in 3 scries. 



AMENT, 10. 



ANGULAR. By means of intervening grooves, the stems; calyces, cap- 

 sules, &c. have ridges running lengthwise. 



ANNUAL. Which springs up, porf els frui 1 ., and dies, in the same year. 



ASODTSES. Substances which promote sleep. 



ASCMALOUS. Whatever forms an exception to the assumed rules (3V 

 systems. 



ANTHER, 11. 



AVTISCORBUTICS. Substances which cure eruptions. 



APETALOTJS. A flower without a corol. 



APEX. The tip or top end. 



APPENDAGE, 18. 



AQJJATIC. Growing most naturally in or near water. 



ARTL, Arillur;. The outer coat of a seed, which, not contracting wilh 

 it in ripening, falls off. 



ARROW-FORX, 16. 



ASCENDING. Rising gradually between a horizontal and vertical posi- 

 tion. 



* Words which are defined in the Grammar are net again defined in this Vocabulary; 

 but , reference to the page of the Grammar is annexed to the word in the Vocabulary. 



