A SHORT GLOSSARY OF BOTANICAL TERMS xxv 



UMBEL, an inflorescence in which the flower-stalks radiate from a common point 



and are nearly of the same length ; e.g. Carrot. 

 UNCINATK, hooked. 

 UNILATERAL, turned to one side. 

 UNISEXUAL FLOWERS are those which contain either male or female organs, 



but not both. 



URCEOLATE, pitcher-shaped, or urn-shaped, contracted at the mouth. 

 UTRICLE, the envelope of the nut of a Carex ; an achene with a membranous 



pericarp. 



VALVATE, having valves or parts of an organ opening like little doors ; or organs 



touching only along their edges. 

 VASCULAR, built up of vessels. 

 VENTRICOSE, swelling on one side. 

 VERMICULAR or VERMIFORM, worm-like. 

 VERNATION, the state ol leaves in bud. 

 VERRUCOSE, warty. 



VERSATILE anthers are those which are balanced on the filament. 

 VERTICILLATE, whorled. 

 VESICLE, a bladder. 

 VILLOUS, or VILLOSE, shaggy. 

 Viscous, sticky, clammy. 



VITT^E, linear receptacles of oil in the fruits of Umbellifers ; stripes. 

 VIVIPAROUS, applied to the production of young plants (not seeds) attached to 



the parent plant. 



WEDGE-SHAPED, like a wedge but attached by its point. 



WHORL, three or more leaves or flowers arranged around the stem on the same 

 level ; e.g. Galium. 



WING, a prolongation of a fruit or seed or of a stem ; the side petal of a Legu- 

 minous flower. 



WOOLLY, when the hairs are long and loose, like wool. 



When two terms are combined, as ovate-lanceolate, it means that the form 

 is compounded of the two, or lies between them. 



OB in conjunction with terms means inverted, as obovate. 



SUB in composition means a near approach to, as sub- Alpine, sub-erect. 



