440 



GLOSSARY. 



Umbellula. A partial or secondary um- 

 bel, or umbellet; 150. 



Umbilicate (-atus). Depressed in the 

 centre, navel like. 



Umbilicus. The hilum of a seed. 



Umbonate (-atus). Bearing an Umbo 

 or loss in the centre 



Umbrdculiform (-ormis). Having the 

 general form of an umbrella. 



Umbrosus. Growing in shady places. 



Unarmed. Destitute of prickles, spines, 

 or other armature. 



Uncate (-atus), Uncinate, (-atus), Unci- 

 J'orm (-ormis). Hooked; bent or 

 curved at tip in the form of a hook. 



Untidlis. An inch (uncia) in length. 



Undate (-atus) or Undulate (-atus). 

 Wavy; 98. 



Undershrub. A very low shrub ; 50. 



Unequally pinnate. See Impari-pin- 

 nate. 



Unguiculate (-atus). Contracted at 

 base into an 



Unguis. A claw, or stalk-like base of a 

 petal, &c. ; 245. 



Uni-. In Latin compound, one; as 



Unicellular. Of one cell; Unicolor, of 

 t one color, &c. 



Unicus. Singly or single, solitary. 



Uniflorous (-us). One-flowered. 



Unifoliate (-atus). One-leaved. 



Unifoliolate, of one leaflet ; 102. 



Unijuffate (Unijugus). Of one pair; 

 102.' 



Unilabiate (-atus). One-lipped, like the 

 corolla of Acanthus, in which the 

 upper lip is obsolete. 



Unilateral (-alls). One-sided; either 

 originating on or more commonly 

 turned all to one side of an axis. 



Unilocular (-am). One-celled. 



Uninervate ( Uninervis, Uninervius). 

 One-nerved. 



Uniovulate (-atus). Having only a soli- 

 tary ovule. 



Unij)arous. Bearing one ; as a cyme of 

 one axis or branch ; 152, 155. 



Uniserial (-ialis), Uniseriate (-atus). 

 In one horizontal row or series. 



Unisexual (-alis, Unisexus). Of one 

 sex; having stamens only or pistils 

 /0 nly; 191. 



Univalved ( Univalvis). Of one piece or 

 valve. 



Urceolate (-aim). Hollow and con- 

 tracted at or below the mouth, like an 

 urn or pitcher ( Urceolus). 



Urens. Stinging, in the manner of net- 

 tles. 



Utricle ( Utriculus). A small bladdery 

 pericarp; 295. Or any small bladder- 

 shaped body or appendage ; also a 

 synonym of a cell of parenchyma. 



Ucricular (-aris), Utriculate (-atus), 

 Utriculiform (-ormis), Utriculose 

 (-osus). Having or consisting of 

 utricles, or bladder-like in appear- 

 ance. 



Vacillans. Swinging free, as the anth- 

 ers of Grasses on their filaments. 



Vdcuus. Void or empty of the proper 

 contents. 



Vayina. A sheath, as of a leaf, &c. 



Vayinate. Sheathed. 



Vail culce. The intervals or grooves 

 between the ridges or ribs of the fruit 

 Umbellifer*. 



Valcate (-atus), Valvular (-aris). 

 Opening as if by doors or valves, as 

 do most dehiscent fruits (capsules), 

 and some anthers; also the parts of 

 a flower-bud when they exactly meet 

 without overlapping ; 135. 



Valce ( Valva). One of the pieces into 

 which a capsule splits, 288. 



Valved. Same as valvate: hence 3 

 -valved, 5-valved, many valved, &c. 



Vdlvula. A diminutive valve. Also 

 used (after Linna;us) for the inner or 

 flower-glumes of Grasses. 



Variegated (-atus). Irregularly colored ; 

 in patches of color. 



Varitty ( Varietas). A sort or modifi- 

 cation subordinate to species; 318. 



Variolate, Varioldris. Marked as if 

 by the pustules or pittings of small- 

 pox. 



Vascular (-aris). Relating to or fur- 

 nished with vessels ( Vasa) or ducts. 



Vascular Plants ( Vasculares), 340. 



Vdsculum. Same as Ascidium. Also 

 the botanists' collecting box ; 372. 



Vasifvrm (-ormis). In the form of a 

 vessel, duct, &c. 



Veined. Furnished or traversed with 

 fibro-vascular bundles or threads, es- 

 pecially with those which divide and 

 are reticulated. 



Veins ( Vena). In general any ramifi- 

 cations or threads of fibro-vascular 

 tissue in a leaf or any flat organ; 

 especially (as distinguished from 

 nerves) those which divide or branch; 

 92. 



Veinless. Destitute of veins. 



Veinlet ( Venula). One of the ultimate 



