ORD. XIX. VERTICILLAT. 
(From vertex, a whirlpool. ) 
Herbaceous plants producing their flowers in whirls or whorls, 
; encircling the upper part of the stem. 
ET 
GLECOMA HEDERACEA. GROUND-IVY, or GILL. 
SYNONYMA. Hedera terrestris. Pharm. Edin. Gerard. $56. 
Raii, Hist. vol. 1.567. Synop. 243. Hedera terrestris vulgaris. 
Bauh. Pin. 306: Park. Theat. 676. Chamecissus sive Hedera 
terrestris. J. Bauh. vol. 3.855. Chameclema caule procumbente 
radicato, foliis reniformibus, rotunde crenatis. Hail. Stirp. Helv. 
No. 245. Glecoma hederacea. With. Bot. Arrang.603. Rethan 
Flor. Cant. 225. Curtis Flor. Lond. Flor. Dan. t. 789: 
Class Didynamia. Ord. Gymnospermia. LZ. Gen. Plant. 714. 
Ess. Gen. Ch. Antherarum singulum par in formam crucis connivens, 
Calyx 5-fidus. 
Sp. Ch. G. foliis reniformibus crenatis. ° 
THIS plant has a small, perennial, creeping, fibrous root, which 
puts forth stalks from six inches to a foot and a half in height; 
these are square, procumbent, and at the knots or joints woolly ; 
the leaves are of a roundish kidney-shape, scolloped, hairy, and 
stand in opposite pairs upon channelled footstalks; the flowers 
