ERICACEJi:. (UEATU FAMILY.) C9 



* Fruit a bt'rnj, or hcn'ij-like drupe; corolla-tube iujlated or urn-shaped, 5-toolhed. 



Eccrtjrten. 



Tree; ovary o-ccllcd; berry many-seeded Arbutus. 2 



Shrub; ovary 5-10-celled; drupe few-seeded Arctostaphylos. 3 



Shrub; low; berry purjjle-black Gaultheria. 4 



« * 



Fruit a naked capsule; corolla funnel fomi or campanulate, lar<je, 5-lohed. 

 Shrubs, with showy flowers Rhododendron, 5 



Sub-order 3. PYROLEiE. 



Calyx free. Corolla of 5 (rarely 4) separate petals. Anthers extrose in the bud, the 

 pores downward; introse (by bending downward on the end of the filament) in the open 

 flower, the pores upward. 



Stem woody, leaves whorled Cliiniapliila. 6 



Flowers on a ^cape Pyrola. 7 



Sub-order 4. MONOTROPEiE. 



Hoot-iJarasitic, scaly-bracted herbs, wholly destitute of green foliage. 

 Flowers racemose, corolla globular-ovate Pterospora, 8 



1. VACCINIUM, L. Blueberry, Bilberry, Etc. 



Calyx 4-5-toothed on the summit of the ovary. Corolla various. Stamens 8 to 10; 

 the anthers with the two cells separate, tapering upward into a tube opening at the top. 

 Style long. 



1. V. ovatum, Pursh. (California Huckleberry). Shrub, erect, 3 to 5 ft high; 

 evergreen; leaves thick, shining, ovate, acute, serrate; flowers with the parts in fives, 

 stauiens 10; corolla campanulate, pink; berries purple-black. 



2. ARBUTUS, Tourn. J^Iadrono. 



Calyx 5-lobed. Corolla ovate, 5-toothcd; the teeth recurved. Stamens 10, included; 

 anthers flattened, fui-uished with a pair of reflexed awns. Stylo rather long; berry 

 ■with a rough surface. 



1. A. Menziesii, Pursh. A liandsomo tree, with smooth bark turning bro\\-nish- 

 red, whicli exfoliates except on the trunks of the larger trees; corolla white; berries 

 deep orange. 



3. ARCTOSTAPHYLOS. A«lan. I^IaN2LVNITA. 



Flowers like those of Arbutus {h\xt occasionally 4-merou3 and S-androus), except that 

 the 5 to 10 cells of the ovary contain each a single ovule, and the berry-like fruit has 5 



