380 DICECIA OCTANDKIA. ^CL. XXII. 



shaped, spreading, downy ; stigmas simple. Seed one. Name 

 from humus, rich soil. 451. 



1. H. Lupulus. Common Hop. Steins herbaceous, twining, branched, 



angular, rough : leaves opposite, stalked, heart-shaped, serrate, veined, 

 rough : flowers pale-green. The properties of the cones are well known. 

 Perennial : flowers in July : grows in thickets and hedges, but is not 

 indigenous. Eng. Bot. vol. vi. pi. 427,. Eng. Ft. vol. iy. p. 288. 1443. 



HEXANDRIA. 



8. TA'MUS. BLACK BRYONT. 



Barren Flowers. Calyx none. Corolla regular, with six deep, 

 broadly lance-shaped segments, their upper part spreading. Fila- 

 ments six, awl-shaped, equal, shorter than the corolla ; anthers 

 roundish. 



Fertile Flowers. Calyx none. Corolla regular, six-cleft, su- 

 perior, deciduous. Germen inferior, between egg-shaped and 

 oblong, large, smooth. Style cylindrical, as long as the corolla ; 

 stigmas three, acute, spreading. Berry oval, three-celled. Seeds 

 two in each cell. Name of doubtful origin. 452. 



1. T. commitnis. Common Black Bryony. Leaves heart-shaped, un- 

 divided. Root large, fleshy : stems twining : leaves bright-green : 



flowers greenish-white : berries scarlet. Perennial : flowers in June : 

 grows in hedges and woods, in England : frequent. Eng. Bot. vol. ii. pi. 

 91. Eng. FL vol. iv. p. 241. 1444. 



OCTANDRIA. 



9. PO'PULUS. POPLAR. 



Barren Flowers. Catkin oblong, loosely imbricated, cylin- 

 drical. Calyx a one-flowered, wedge-shaped, flat scale, jagged at 

 the edges. Corolla of one petal, turbinate beneath, tubular, dilated 

 and obliquely cup-shaped above. Filaments eight or more, hair- 

 like, very short; anthers large, four-cornered. 



Fertile Flowers. Catkin, calyx, and corolla, as above. Ger- 

 men superior, egg-shaped, pointed. Style none; stigmas four or 

 eight, awl-shaped. Capsules egg-shaped, two-valved, one-celled. 

 Seeds numerous, small, egg-shaped, downy at the top. Name, 

 populus, people, it being by the Romans esteemed the tree of the 

 people. 453. 



1. P. dlba. White Poplar. Abele Tree. Leaves nearly triangular, 

 somewhat heart-shaped at the base, toothed, cottony beneath ; fertile 



catkin egg-shaped ; stigmas four. A tall tree, with smoothish bark 



and horizontal branches : leaves three-lobed : flowers in March : grows 

 in moist woods: common. Eng. Bot. vol. xxiii. pi. 1618. Eng. Fl. 

 vol. iv. p. 243. 



2. P. cancscens. Greii Poplar. Leaves roundish, deeply waved, 



