Am.  Jour.  Pharru 
December,  1895 
u-}       Observations  on  Cherry  Barks. 
597 
rows;  in  southern  Oregon  and  northern  California  it  inhabits  low 
valleys,  where,  in  rich,  moist  soil,  in  the  neighborhood  of  streams,  it 
attains  a  large  and  arborescent  habit ;  on  the  mountain  ranges  of  the 
interior  of  the  continent,  where  it  is  confined  to  elevated  valleys,  in 
southern  California,  and  at  the  northern  and  southern  limits  of  its 
range,  it  is  a  low  shrub."    (The  Silva  of  North  America.) 
Fig.  2. — Longitudinal-tangential  section  of  inner  bark  of  Prunus  demissa, 
magnified  ioo  diameters. 
The  specimens  of  bark  examined  by  me  were  kindly  supplied  by 
Miss  Alice  Eastwood,  of  the  California  Academy  of  Sciences,  and 
were  obtained  from  Marin  County,  in  that  State. 
To  the  taste  these  specimens  were  less  bitter,  but  quite  as  aro- 
matic as  good  specimens  of  the  bark  of  Prunus  Serotina,  excelling 
