DICOTYLEDONOUS PLANTS 165 



whorled, leathery, shining, evergreen, on short petioles. 

 Elowers fragrant, white or purplish, on a corymb or umbel 

 ■which terminates the stem. Calyx 5-cleft or 5-parted, per- 

 sistent. Petals 5, concave, roundish, spreading. Stamens 

 10, the filaments enlarged and downy in the middle, the 

 anthers somewhat 4-celled, opening when mature by pores at 

 the outer end. Style top-shaped, nearly buried in the top of 

 the globular ovary. Capsule erect, 5-celled. 



1. C. umbellata, Nutt. Prince's Pine, Pipsissewa. Branches 

 leafy, 4-12 iu. high. Leaves spatulate or wedge-oblanceolate, obtuse 

 or nearly so, sharply sen-ate, very green and glossy. Flowers sev- 

 eral, umbelled or somewhat corymbed, white or pinkish, the anthers 

 violet. Dry woods, especially under pine trees. 



2. C. maculata, Pursh. Spotted Wintergrben. Much resem- 

 bles No. 1, but has only scattered teeth on the leaves, which are 

 mottled with white on the upper surface and are often broad or 

 rounded at the base. Dry woods. 



n. PYROLA, Toum. 



Biennial or perennial, almost woody herbs ; rootstock slen- 

 der and creeping. Leaves mostly radical, with broad petioles, 

 evergreen. Flowers in racemes, nodding, on a bracted scape. 

 Sepals 5. Corolla usually globose, of 5 free or nearly free, 

 roundish petals. Stamens 10, in pairs opposite the petals, 

 hypogynous ; anthers as in Chimaphila. Capsule globose, 

 5-celled, splitting into 5 valves, the latter usually with downy 

 edges. 



1. P. elliptica, Nutt. Shin-leaf. Scape 5-10 in. high. Leaf- 

 blades obovate-oval or elliptical, rather thin, dark green, faintly 

 scalloped, almost always longer than their margined petioles 

 Flowers greenish-white, very fragrant. Rich, usually dry woods, 

 especially N. 



2. P. rotundifolia, L. Bound-leaved Wintergreen. Scape 

 6-20 in. high. Leaf-blades roundish or oval, leathery, shining above, 

 faintly scalloped, often rounded at the base or almost heart-shaped, 

 usually shorter than the slightly margined petioles. Flowers white, 

 very firagrant. Varies greatly. Usually in dry woods N. 



