58 Charles E. Bcssey 



fact, these three groups appear to diverge from a common point 

 of origin. 



Order Ranales. Pistils i to many, monocarpellary (or rarely 

 united); stamens generally indefinite; embryo mostly small, in 

 copious endosperm. 



Family 46. Ranunculaceae. Petals present, in one whorl, or 

 absent; sepals deciduous; mostly herbs with alternate leaves. 

 Myosw'iis, Ranuiiciilus, Anemone, Clematis. (Pf. Ill, 2, 43.) 



Family 47. Lardizabalaceae. Petals and sepals 6 each ; sta- 

 mens 6; twining or erect shrubs, with alternate leaves. Akebia, 

 Lardhabala. (Pf. Ill, 2, 67.) 



Family 48. Berberidaceae. Petals usually present, in i to 3 

 whorls; pistil i (rarely more), vv'ith many ovules; mostly shrubs 

 with alternate leaves and perfect iiowers. Podophyllum, Ber- 

 beris. (Pf. Ill, 2, 70.) 



Family 49. Menispermaceae. Petals present, in 2 whorls ; 

 twining- shrubs with alternate leaves and small declinous ilower-s. 

 Menispermnm, Coccnhis. (Pf. Ill, 2, 78.) 



Family 50. Magnoliaceae. Petals present, in one to many 

 whorls ; receptacle usually elongated ; shrubs and trees with al- 

 ternate leaves and usually large flowers. Magnolia, Liriodendron. 

 (Pf. Ill, 2, 12.) 



Family 51. Nymphaeaceae. Petals present, in i to many 

 whorls ; pistils several or united ; aquatic herbs with floating 

 leaves. Victoria, Castalia, Nymphaea, Nclumho. (Pf. Ill, 2, i.) 



Family 52. Ceratophyllaceae. Aquatic herbs with verticillate, 

 divided leaves; flowers dioecious; perianth o; pistil i-celled, 

 i-ovuled; endosperm o. Ceratophyllnm. (Pf. Ill, 2, 10.) 



Family 53. Trochodendraceae. Trees and shrubs with naked 

 flowers, many stamens, and a single whorl of 2 to many partly 

 inferior pistils. Trochodev.dron. (Pf. Ill, 2, 21.) 



Family 54. Cercidiphyllaceae, 7'rees with naked flowers, 

 many stamens, and a single whorl of superior pistils. Cercidi- 

 phyilum. (Pf. Ill, 2, 21.) 



Family 55. Calycanthaceae, Petals present, in many whorls ; 

 seeds without endosperm ; shrubs with opposite leaves. Calycan- 

 thus. (Pf. Ill, 2, 92.) 



332 



