96 TETRANDRIA. 



145. ELy^AGRUS. Cal. basi persistens, superne coafc- 



tatus et quasi superns, carapanulatus, 4-fidus. Drupa 

 1-sperma. 



146. HIPPOPHAE. Cal decidnus, inferus, tubulosus, 2- 



fidus. Bacca globosa. Dioica. 



II. DIGYNIA. 



147. PLANERA. Cal. campanulatus, 4-fidus. Cor. 0. 



Niix l-sperma, squamulosa. Polygavda. 



148. HAMAMELIS. Cal 4 fidus, extus 2-squaraosus. 



Pet. 4. longissima. Niix 2-locularis, 2-cornis. 



149. CU^CUTA. Cal. 4-fidus. Cor. ovata, 4-fida. Caps. 



2-locnlaris circumscissa. 



150. SANGUISORBA. Cal. 2-phyllus, infeius. Cor. 



j)lana, 4-fida, supera. Caps. 4-gona, intra calycem 

 et cor ol lam. 



III. TRIGYNfA. 



151. PACHYSANDRA. (7a/. 4-phvllus. Cor.O. Caps. 



3-loculaiis. Monoica. 



IV. TETRAGYNIA. 



152. ILEX. Cal. 4-dentatus. Cor. rotata. Slyl. 0, Eac. 



4-soerma. 



153. SAG'INA. CflZ. 4-pli)llus. Cor. 4- petala. Caps. 4- 



locularis po yspeima. 



154. POTAMOGETON. Cal. 4 phyllus. Cor. 0. Sem. 



4. sessilia. 



155. RUPPiA. Cal. et Cor.O. &?«. 4. pedicellata. 



I. MO NOG YNIA. 



117. DIPSACUS. Gen.pl.\4S. 



sylvestris. l-D- foliis connatis sinnatis, paleis rectls, involucro capi- 



tnlobreviovibaspatentibus.— JFi/W. 5p /)/. l.p. 544? 



Icon. Jatcq.fl. aust. 5. t. 403. 



On the edges of fields r.nd on water sides : Pensylvania 

 to Virginia. S ■ Ji^ly- v. v. Probably introduced 

 from Europe, but sometimes found in very remote 

 parts from cultivation. 



