28' HAMAMELIDACEAE— ONAGRACEAE 



2. Petals united at the very base 



a. Flower in S's Cotyledon 



b. Flower in 4's Bryophyllutn 



Sedum — Stonecrop 



i I at. sedeo, to sit, from the habit of growing on walls and rocks) 



1. Creeping; leaves 4-6 mm. long; flowers yellow S. acre: wall pepper 



2. Erect; leaves 2-5 cm., long; flowers pink to white S. telephiutn: live-for- 



ever 



Cotyledon — Cotyledon 



(Gr. kotyledon, cup, from the form of the corolla) 

 Leaves basal, wedge-shaped, glaucous ; flowers red C. orbiculdla 



Bryophyllum — Bryophyllum 



(Gr. bryon, bud, phyllon, leaf, from' the buds which form on the leaf) 

 Leaves ovate, simple or ternate ; flowers large, greenish, hanging B. calycinum 



Hamamelidaceae — Witch-Hazel Family 

 Shrubs or trees, with simple alternate leaves ; sepals 4, petals 4, stamens 8, 4 more or less im- 

 perfect, ovary 2-celled, styles 2, fruit a capsule ; flower syncarpous, apopetalous, hypogynous, regular. 



Hamamelis— Witch Hazel 



(Gr. hamamelis, a kind of tree) 

 Tall shrub with obovate leaves; flowers yellow, appearing in autumn just 



before leaf-fall //. virginica 



Sapindales Maple Order 



Sapindaceae — Soapberry Family 

 Woody plants or climbing herbs, mostly with compound leaves; in the following genus, the sepals 

 are 4, petals 4, stamens 8, ovary 3-celled, styles 3, fruit a bladdery 3-lobed pod ; flower syncarpous, 

 apopetalous, hypogynous, nearly regular. 



Cardiospermum — Balloon- Vine, Heart-Seed 



(Gr. kardia, heart, sperma, seed, from the heart-shaped seed scale) 

 Leaves 2-ternate, alternate; flower clusters with hook-like tendrils; flowers 

 white ; seed with a heart-shaped scale C. halicdcabum 



Lythrales Loosestrife Order 



Lythraceae — Loosestrife Family 



Herbs with simple opposite entire leaves; sepals 5-7, united into a tube enclosing the ovary, 

 petals 4-7 or none, stamens 4-14, ovary 1-4-celled, stigma 1, sometimes 2-lobed, fruit a capsule; 

 flower syncarpous, apopetalous, rarely apetalous, hypogynous, regular, or somewhat irregular. 



1. Petals present ; calyx not spurred Lytkrum 



2. Petals absent ; calyx spurred at base Cupliea 



Ly thrum — Loosestrife 



(Gr. lythron, blood, from the color) 

 Leaves lanceolate ; flowers with 6-7 pink petals L. salicdria 



Cuphea — Cigar Plant 



(Gr. kuphos, hump, from the spur) 

 Leaves lance-ovate, glossy ; flowers bright red C. platycentra 



Onagraceae — Evening-Primrose Family 



Herbs or shrubs with simple leaves; sepals 2-6, united and grown to the ovary, petals 2-6, 

 mostly 4, stamens 2-12, mostly 8, ovary usually 2-4 celled, stigma one, often 4-lobed ; fruit a c. 

 or berry; flower syncarpous, apopetalous, epigynous, regular, rarely irregular. 



