342 



GLOSSARY. 



character is based, as distinguished 

 from all varieties, sports, etc. 



Umbel. An umbrella-shaped inflores- 

 cence, the pedicels radiating from the 

 summit of the common peduncle. 



Umbellate. Bearing or growing in 

 umbels. 



Umbelliferous. Bearing umbels. 



Umbellulate. Bearing umbellets. 



Unarmed. Without prickles, spines, or 

 the like. 



Vncinate. Hooked at the extremity. 



Undulate. Wavy, alternately raised 

 above and depressed below the gen- 

 eral plane. 



Undershrub.k very low shrub. 



Unguiculate.Of a petal, narrowed below 

 into a claw or petiole-like base. 



Unifoliolate. A compound leaf-type 

 reduced to a single leaflet. 



Unilateral. One-sided. 



Unilocular . One-celled . 



Uniovulate. Having a single ovule 



Uniserial. In one row or series. 



Unisexual. Of one sex ; of flowers hav- 

 ing stamens only or pistils only. 



Urceolate. Cylindrical or ovoid, but 

 contracted at or below the open ori- 

 fice, like an urn or pitcher. 



Utricle. A small bladdery usually one- 

 seeded pericarp indehiscent or burst- 

 ing irregularly or circumscissile ; any 

 small bladder-like organ, or some 

 times applied to forms of tissue-cell 



Utricular. Consisting of or belongin 

 to utricles. 



Valvate. Opening by valves, as a cap- 

 sule; meeting by the edges, without 

 overlapping, as sepals, etc., in aesti- 

 vation . 



Valve. The several parts of a dehiscent 

 pericarp; the door-like lid by which 

 some authors open. 



Variegated . Irregularly colored. 



Variety. The principal subdivisions of 

 a species, differing from the type in 

 certain constant characters of subor- 

 dinate value. 



Veined. Furnished with veins. 



Venation. The mode of veining. 



Ventral. Belonging to the anterior or 

 inner face of a carpel, etc., the oppo- 

 site of dorsal. 



Ventricose. Swelling unequally or in- 

 flated on one side. 



Venulose. Abounding with veinlets. 



Vermicular. Worm-shaped. 



Vernal. Appearing in spring. 



Vernation. The folding of leaves in the 

 leaf-bud. 



Vernicose. Appearing as if varnished. 



Verrucose. Covered with wart-like ele- 

 vations 



Versatile. Swinging; turning freely on 

 its support. 



Vertical. Upright; perpendicular to the 

 plane of the horizon; longitudinal. 



Verticil. A whorl. 



Verticillaster. The pair of dense cymes 

 at each node of some Labiatae, simu- 

 lating a verticil or whorl. 



Verticillat e . Arranged in whorls. 



Vesicle. A small bladdery body. 



Vesicular. Composed of vesicles. 



Villous. Bearing long and soft straight 

 or straightish hairs . 



Virgate. Like a wand or rod, slender 

 straight and erect. 



Viscid. Glutinous, sticky. 



Whorl. An arrangement of leaves, 

 flowers, etc., in a circle about the 

 stem or axie 



Wing. Any membranous or thin expan- 

 sion or appendage ; each lateral petal 

 of a papilionaceous flower. 



Woolly. Clothed with long and twisted 

 or matted hairs . 



