94 BEEBERIDACEAE 



e'^-a" broad. — In ponds northeast of Lee's Summit and at Little Blue 

 Tank. June-July. 



11. OXYGRAPHIS BuDge. 



Like Ranunculus but achenes longitudinally striate. 



1. O. Cymbalaria (Pursh) Prantl. Glabrous, spreading by runners : 

 leaves cordate, orenate, long-petioled : flowers 1-9, scapose, Z"-V broad. 

 — On sand-bars along the Missouri Eiver at Courtney. Also in Clay 

 county, Mo., near Harlem. Usually rare. June-August. 



12. THALICTRUM L. Meadow Eue. 

 Erect perennials with ternately decompound leaves. Flowers greenish- 

 white, dioecious or polygamous. Sepals 4-5. Petals none. Stamens 

 many. Carpels 4-15, longitudinally striate. 



Flowers dioecious, in April-May. 1. T. dioicum. 



Flowers polygamous, in June-July. 2. T. purpurascens. 



1. T. dioicum L. l°-2° high : leaflets thin, orbicular, 5-9-lobed. — 

 .Very abundant on the rocky bluff of the Missouri River northwest of 



Fairmount Park.' 



2. T. purpurascens L. 3°-6° high ; leaflets thick, oblong, about 3- 

 lobed. — Common in meadows and woodlands throughout. 



Family 49. BERBERIDACEAE T. & G. 



Herbs with alternate or basal leaves. Sepals and petals present, 6-9 

 each, imbricated. Stamens hypogynous, opposite the petals or more 

 numerous. Pistil one, superior, few-many-ovuled. 



Flowers in terminal panicles. 1. Caclophyllum. 



Flowers solitary. 2. Podophyllxim. 



1. CAULOPHYLLUM Miohx. 



Leaves decompound. Sepals 6, with 3-4 bractlets at base. Petals 6, 

 small. Stamens 6. Anthers dehiscent by valves. Ovules 2. Fruit 

 berry-like. 



1. C. thalictroldes Miohx. Blub Cohosh. 1°-3° high, glaucous: 

 leaflets 2-3-lobed : flowers greenish-purple. — Frequent in rich woods near 

 Sibley. April. 



2. PODOPHYLLUM L. 



Sepals 6, very fugacious. Petals 6-9, white. Stamens 12-18, their an- 

 thers longitudinally dehiscent. Ovary many-ovuled. Fruit a large 

 berry. 



1. P. peltatum L. May Apple. 1°-2° high : sterile stems bearing 

 a solitary centrally peltate, orbicular, 7-9-lobed leaf : the fertile bearing 

 two similar, but one-sided leaves, with the nodding flower (2' broad) in 

 the fork. — Very abundant in woods. April-May. 



