ISRICACE^. 139 



SuEOEDEK III. PYROLEiE. (Pyrola Family.)- 



Calyx free from, the ovary. Corolla polypetalous. More or 

 less lierhaceous evergreens. 



13. Py'rol.a. Calyx 2-parted. Petals 5, concave. Stamens 10. Stigma 



5-lol)ed. Leaves evergreen, clustered at the base of an iiprifjlit 

 scaly-bracted scape which bears a simple raceme of nodding 

 flowers. 



14. Sloiic'sc.4. Petals ."i, orbicular, spreading. Stamens 10. Stigma 



large, peltate, with 5 narrow radiating lobes. Plant having the 

 aspect of a Pyi'ola, but the scape hearing a single terminal flower. 

 1!). CUlinapli'ila. Petals .5, concave, orbicular, spreading. Stamens 

 10. Stigma broad and round, the border 5-crenate. Low plants 

 with running underground shoots, and- thick, shining, sharply 

 serrate, somewhat whorled leaves. Flowers corymbed or urn- 

 belled on a terminal peduncle. 



Suborder IV. MONOTROPE.S. (Indian -Pipe Family.)- 



IG. Aloiiot'ropa. A smooth perfectly white plant, parasitic on roots, 

 bearing scales instead of leaves, and a single flower at the summit 

 ' of the stem. , 



17. Ptcros'pora. A jiurplish-brown clammy-pubescent plant, parasitic 



on the roots bf pines. Stem simple. Flowers numerous, nodding, 

 white, forming a raceme. 



18. Hypop'ltys. A- tawny or reddish parasitic plant, with several 



flowers in a scaly raceme, the terminal one generally with ."i 

 petals and 10 stamens, and the others with! petals and 8 stamens. 



1. «AYLirSSA'<!IA, H.B.:^. HuCKLEBEREY. 



1. G. resino'sa, Torr and Gr. (Black Huckleberry.) 

 Fruit black, without a bloom. Eacemes short,, 1-sided, in 

 clusters. , Leaves oval or oblong. Branching shruh, 1-3 feet 

 high. — Lo-w grounds. 



2. G. dumo'sa, Torr. and Gr. (D-vyarf HucKtEBBRRY. ) 

 Fruit black, insipid. Eacemes long, -with leaf-like, persis- 

 tent bracts. Leaves obovate, oblong, muoronate. — Sandy- 

 low ground, Atl. Prov. 



2. TACCIN'IIIM, L. Ceanbekey. Bltieeeeey. 

 1. V. Oxyeoe'euS, L. {Oxycoccus vulgaris, Pursh, in 

 Macoun's Catalogue.) (Small Cranberry.) A creeping or 



