Vaccinium.] ERICACEAE. 249 



Sub-order I. Vaccinie'se, Buds clothed with scales. Stamens epigynous. 

 Ovary inferior. 

 Corolla campanulate, urceolate, or rotate 1. Vaccinium. 



Scb-order II. Eri'cese. Buds naked or scaly. Stamens hypogynous. Ovary 

 superior. 



Tribe I. ASBUTE'iS. Buds naked. Leaves usually broad. Corolla 

 deciduous. Fruit a berry or drupe. 



Ovary-cells many-ovuled 2. Arbutus. 



Ovary-cells 1-ovuled 3. Arctostaphylos. 



Tribe II. ANDROBIEDE'JS. Shrubs. Buds clothed with scales. 

 Leaves usually broad. Corolla deciduous. Capsule locuiicidal. 



4. Andromeda. 



Tribe III. ERICI'jtfEiE. Buds naked. Leaves small. Flowers 4-merous. 

 Corolla persistent. Anthers cohering in bud. 



Corolla 4-fid. Capsule locuiicidal, cells many-seeded 5. Erica. 



Corolla 4-partite. Capsule septicidal, celb few-seeded.... 6. Calluna. 



Tribe IV. RHODORE'-ffi. Buds clothed with scales. Leaves usually 

 broad. Flowers 4-5-merous. Corolla deciduous. Capsule septicidal. 



Corolla urceolate. Anthers 8, opening by pores 7. Dabeocia. 



Corolla urceolate. Anthers 10, opening by pores 8. Phyllodoce. 



Corolla campanulate. Anthers 5, opening by slits 9. Loiseleuria. 



Tribe V. PYROLEiE. Herbs. Buds scaly. Leaves chiefly radical. 

 Petals 5, free or connate, concave. Capsule locuiicidal. Testa produced 

 at both ends far beyond the nucleus 10. Pyrola. 



1. VACCIN'IUM, L. 



Shrubs ; buds clothed with usually persistent scales. Leaves alternate, 

 often evergreen. Floicers solitary or racemose, white or red, drooping, 

 honeyed. Calyx-tube short ;• limb 4-5-toothed. Corolla epigynous, globose 

 or campanulate, 4-5-fid. Stamens 8-10, epigynous; anther-cells with 

 tubular tips, awned or not. Ovary 4-5-celled ; style filiform, stigma 

 obtuse ; placentas prominent, many-ovuled. Berry 4-5-celled, areolate. 

 Seeds angled, testa reticulate. — Distrib. Europe, temp, and subtrop. 

 Asia and America ; species about 100. — Etym. obscure. 



* Corolla globose or campanulate. 

 1. V. Myrtil'lus,"£. ; erect, glabrous, branches angular, leaves deciduous 



ovate serrate, peduncles 1-fld., anthers with dorsal awns. Whortleberry, 



Bilberry, Blaeberry. 



Woods, copses, and heaths, N. to Shetland (except Suffolk and Cambridge), 

 chiefly in hilly districts ; ascends to 4,000 ft. ; Ireland ; fl. April-June. — 

 Rootstock creeping. Stems many, 6-24 in., rigid. Leaves §-1 in., nerves 

 reticulate, young rosy. Peduncles J in., naked. Calyx-tube turbinate; 

 lobes 5, short. Corolla ^ in. diam., globose, rosy tinged with green. Berry 



