Family 67. LYTHRACE^. Herbs (in Brit. sp.). 
Lea. opposite or whorled, simple, entire; stipules 
minute or o. Flow ^ , actinomorphic or zygomor- 
phic, mostly 4 — 6-merous. Receptacle tubular. Per. 
double, pet. rarely small or wanting. Sep. 4 — 6, 
valvate, with epicalyx of combined stipules. Pet. 
4 — 6, rarely o, perigynous. Sta. as many or twice 
as many or indefinite, inserted on receptacle-tube. 
Carp. (2 — 6), free, each with 2 — 00 ascending ana- 
tropous ovules ; style i ; ovary with 2 — 6 cells, + 
imperfectly separated ; plac. 4- axile. Fr. a capsule. 
Seeds exendospermous. Ly thrum, Peplis. 
Family 68. EPILOBI ACE^ ( = ONAGRACE^) . 
Herbs, occasionally shrubby. Lea. simple, exstipu- 
late. Flow, solitary or racemose, usually ^ and. 
actinomorphic. Receptacle tubular. Sep. 2 — 4, val- 
vate. Pet. 2 — 4, twisted, perigynous. Sta. usually 
4 — 8 and obdiplostemonous, or 2, perigynous but 
often appearing to be epigynous. Carp. (4), rarely 
(i — 6), inferior, each cell with i — 00 anatropous 
ovules; plac. axile; style i. Fr. a capsule, nut or 
berry. Seeds nearly exendospermous. 
Ludwigia, Epilobium, Circcea, (Enothera, \Fuch- 
sia, Clarkia, Godetia, Trapa.] 
Family 69. HALORRHAGACE^.^ Herbs, often 
marsh or aquatic. Lea. whorled (in Brit. sp.). 
Flow, minute, actinomorphic, often i-sexual. Sep. 
3 — 4 or o. Pet. 2 — 4 or o. Sta. i — 8, epigynous in 
^ flow. Carp, (i — ^4), with as many styles; ovary 
I — 4-celled, inferior, each cell with i pendulous 
anatropous ovule. Fr. drupe-like. Seeds + endo- 
spermous. Myriophyllum, Hippuris, \Gunnera.'\ 
* By Engler this family is divided into two, Halorrhagi- 
daceae and Hippuridaceae. 
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