46 
BRICA'CE Zs. 
(Omitting Pyrola and Monotropa, already suf- 
ficiently distinguished in the General Key). 
If the specimen is in fruit, the species of Vac- 
clnium are at once distinguished by the red or 
blue-black berries with the remains of the calyx-teeth 
at the top (see the fig. of Vaccinium Vitis-1dza), 
the calyx in all the other genera remaining at the base of 
the fruit. 
Leaves opposite, or in whorls of 3 or 4 together. 
( Corolla deeply cleft, shorter than the pinkish calyx ; (ag) | 
f leaves closely 4-ranked. } Z 
L Callu'’na vulgaris. Ling, Heather. 
Corolla shortly toothed, much longer than the calyx; Or f i 
4/7 NZ 
Ve 
Sa 
leaves mostly in whorls of 3 or 4. 
L Bri'ca. Heath. 
Leaves neither opposite nor whorled. 
Corolla shortly toothed; leaves usually 3 inch long or 
more. 
Leaves thick, leathery, their margins strongly rolled 
f back ; fruit a red berry, or dry. 
ae with tapering, acute points; fruit a dry 
| capsule. 
| 
eee 
( 
| 
Androm’eda polifo’'lia. 
“Leaves with wide, bluntish tips; fruit a berry. 
Leaves not dotted on the back; calyx at the 
( base of the berry. 
Arctostaph’ylos Uva-ur'si Bcarderry. 
~Leaves sprinkled with dark spots on the back ; 
calyx at the top of the berry. 
Vaccinium Vitis-ide’a. Cowderry. 
~Leaves thin, flat; berries blue-black. 
Leaves toothed round their margin; twigs ae & 
| 
Nees) Ne 
f furrowed. 
Vaccinium Myrtillus. 4zlberry. 
~Leaves entire, without any teeth ; the twigs not 
furrowed. 
Vaccin'ium uligino’sum. 
“Corolla deeply cut into 4 narrow lobes; leaves about 
+ inch long; (berries red). } 
Vaccin'ium Oxycoc'cos. Cranberry. 
