li:ad\voht family. 271 



p. rotundif61ia, Linn. Damp or sandy woods ; has thick and shinint; 

 round leaves on short petioles, many-tiowered raceme, and blunt anthers; 

 a variety in bogs has rose-purple flowers. Very variable in shape of leaves. 



19. MONOTROPA, 1N1)L\N PIPE. (Name from the Greek, refers 

 to the liower or summit of the stem turned over to one side or hanging ; 

 iu fruit it straightens.) Flowers summer. Parasitic on the roots of trees. 



M. unifldra, Linn. Common Indian Pipe or Corpse Plant. Kich 

 woods; .smooth, waxy -white all over (turning black iu drying), 3'-6' 

 high, with one rather large nodding flower of 5 petals and 10 "stamens. 



M. Hyp6pitys, Linn. Pinesap or False Beech Drops. In Oak 

 and Pine wootls; rather downy, tawny or reddish, fragrant, 4'-P2' high, 

 with several smallish flowers in a scaly raceme, having 4 petals and 8 

 stamens, or the uppermost 5 petals and 10 stamens. 



LXV. DIAPENSIACEiE, DIAPENSIA FAMILY. 



Low and prostrate or tufted plants, herbaceous or soft-woody, 

 glabrous or nearly so; leaves small and simple, Avithout sti- 

 pules ; flowers regular, all the parts in 5's, except the ovary, 

 which is 3-celled and with a single 3-lobed style; stamens ad- 

 nata to the corolla and sometimes united together, and those 

 opposite the lobes of the corolla (if any) reduced to staminodia. 



1. PYXIDANTHERA. Staminodia absent. Flowers solitary and sessile on short, le.ify 



branchlets. Calyx conspicuously hracteate. 



2. GALAX. Staminodia present. Flowers in a narrow spike on a slender, naUr 1 scape. 



Calyx minutely 2-bracteolate. 



1. PYXIDANTHERA. (Greek: smanhox, anther.) 11 



P. barbulata, ^Michx. Pixv, Flowering Moss. A luuidsume, trail- 

 ing little plant in the sandy pine barrens of N. J. and S., flow-ering in 

 early spring ; leaves small and linear-oblanceolate, sharp-pointed ; flowers 

 (appearing as if clustered, from the shortness of the branchlets) very 

 numerous, white or blush ; anther cells awn-pointed at the base, opening 

 by a transverse line. 



2. GALAX. (Greek : ;/(;7^-, of no application.) 2/ 



G. aphylla, Linn. Leaves Pyroia like, round-heart-shaped and cre- 

 , nate, tufted from scaly creeping rootstocks ; scajae l"-2°, bearing a wand- 

 like raceme or spike of small white flowers ; in open woods, \"a., .S. 



LXVI. PLTJMBAGINACE^, LKADWOKT FAMILY. 



Known by the flowers with parts five throughout, viz. o- 

 lobed plaited calyx, o stamens opposite as many petals or lobes 

 of the corolla and almost separate from them, 5 styles or 5 

 stigmas, and the free ovary 1-celled, containing a single ovule 

 hanging on a slender stalk which rise.s from its base; the fruit 

 a small utricle. 



