ERIC ACE JS. (heath FAMILY.) G9 



• Fruit a berry, or herry-like drupe; corolla-tube inflated or urn-shaped, 5-toothed. 



Evergreen. 



Tree; ovary 5-cellecl; berry many-seeded Arbutus. 2 



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



Shrub; low; berry purple-black Gaultheria. 4 



* * Fruit a naked capsule; corolla funnelform or campanulate, large, 5-lobed. 

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

 flower, the j)ore3 upward. 



Stem woody, leaves whorled. Cliiniaphila. 6 



Flowers on a scape Pyrola. 7 



SuB-ORDER 4. MONOTROPE-aS. 



Root-parasitic, 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, 

 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. IManzanita. 



Flowers like those of Arbutus (but occasionally 4-merous and 8-androus), except that 

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



