ERICACE^. (heath FAMILY.) GO 



• Fruit a terry, or herry-Uhe drupe; corolla-tuhe inflated or urn-shaped, 5-toothed. 



Evergreen. 



Tree; ovary 5-celled; berry many-seeded Arbutus, 2 



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



Shrub; low; berry purple-black Gaultheria. 4 



• • 



Fruit a naked capsule; corolla /unnel/orm or campanulate, large, 5-lobed. 

 Shrubs, with showy flowers Rhododendron. 5 



SuB-ORDEB 3. PYROLB2B. 



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. dlimaphila. 6 



Flowers on a scape Pyrola. 7 



Sub-order 4 MONOTROFRZE!. 



Root-parasitic, scaly -bracted herbs, wholly destitute of green foliage. 

 Flowers racemose, corolla globular-ovate Pterospora, 8 



1. VACCINIUM, L. Blueberry, Bilberry, Exa 



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, 

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



2. ARBUTUS, Toum. Madrono. 



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

 anthers flattened, furnished with a pair of reflexed awns. Style rather long; berry 

 with a rough surface. 



1. A. Menziesii, Pursh. A handsome tree, with smooth bark turning brownish- 

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

 deep orange. 



3. ARCTOSTAPHYLOS. Adan. Manzanita. 



Flowers like those of Arbutus (hnt occasionally 4-merous 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 



