87 



13. Chiiiiaph'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 umbelled on a terminal peduncle. 



SUBORDER IV. MONOTROPEJE. (INDIAN- PIPE FAMILY.) 



14. Monot'ropa. A smooth perfectly white plant, parasitic on roots, bear- 



ing scales instead of leaves, and a single flower at the summit of the stem. 



15. Pteros'pora. A purplish-brown clammy-pubescent plant, parasitic on 



the roots of pines. Stem simple. Flowers numerous, nodding, white, 

 forming a raceme. 



16. Hypop'itys. A tawny or reddish parasitic plant, with several flowers in 



a scaly raceme, the terminal one generally with 5 petals and 10 stamens, 

 and the others with 4 petals and 8 stamens. 



1. GAYLUSSA'CIA, H.B.K. HUCKLEBERRY. 



G. resino'sa, Torr. and Gr. (BLACK HUCKLEBERRY.) Fruit 

 black, -without a bloom. Racemes short, 1 -sided, in clusters. 

 Leaves oval or oblong. Branching shrub, 1-3 feet high. Low 

 grounds. 



3. VACCINTUM, L. CKANBEBBY. BLUEBERRY. 



1. V. Oxycoc'cus, L. (Oxycoccus vulgaris, Pursh, in Macoun's 

 Catalogue.) (SMALL CRANBERRY.) A creeping or trailing very 

 slender shrubby plant, with ovate acute evergreen leaves only ^ 

 of an inch long, the margins revolute. Corolla rose-coloured, 

 4-parted, the lobes reflexed. Anthers 8. Stem 4-9 inches long. 

 Berry only about % of an inch across, often speckled with white. 

 Bogs. 



2. V. macrocar'pon, Ait. (Oxycoccus macrocarpus, Pursh, in 

 Macoun's Catalogue.) (LARGE or AMERICAN CRANBERRY.) Dif- 

 ferent from No. 1 in having prolonged stems (1-3 feet long) and 

 the flowering branches lateral. The leaves also are nearly twice 

 as large, and the berry is fully ^ an inch broad. Bogs. 



3. V. Vitis-Idaea, L. A low plant with erect branches from 

 tufted creeping stems. Leaves evergreen, obovate, with revolute 

 margins, shining above, dotted with blackish bristly points 

 beneath. Corolla bell-shaped, 4-lobed. Anthers 8-10. Flowers 

 in a short bracted raceme. Northward and eastward. 



4. V. Pennsylva'nicum, Lam. (DWARF BLUEBERRY.) Stem 

 6-15 inches high, the branches green, angled, and warty. Corolla 



