un 
vi 
ROSA'CE. 
Trees, shrubs, or thorny plants. 
Leaves deeply lobed, or with separate leaflets. 
( Plant with spines or thorns. 
Leaves not divided down to the mid-rib ; branch- 
[ lets ending in stiff points. } 
L Crate’gus Oxyacan’tha. Hawthorn. 
Leaves with separate leaflets. 
Leaves with awl-shaped stipules (or seated 
attached by their base; calyx not swollen 
below the flower. Rubus. 
Stipules wider, attached down their side; calyx 
| swollen (enclosing the ovaries) below the 
r 
flower. Ro’sa. ose. 
~Plant not spinous nor thorny. 
Leaves with entire leaflets ; flowers yellow. 2 
[ Potentilla frutico’sa.) = 
Leaves with toothed lobes, or with separate toothed y 
| leaflets ; flowers white or pink. : 
L Pyrus./ 
Leaves entire or toothed, not deeply cut. 
eal small, quite entire, white-felted with 285 
| cottony down beneath. M54 
4 Cotoneas'ter vulgaris. 
Leaves not at once entire and white-felted. 
Aaehage litle, ever) wich; ‘iruit dry; Popes 
| oblong, toothed, on very short stalks. nail 
L Spire’a salicifo'lia. 
Flowers usually larger ; fruit succulent. 
ec: often 4 inches, entire or finely toothed ;~ 
L sepals longer than petals. J 
Mes'pilus german'ica. J/ed/ar. 
Calyx-lobes shorter than the petals. 
Flowers with a single, distinct, central style ;~ 
fruit a plum or cherry; leaf-stalk often | 
with little swellings or “glands” where | 
it joins the leaf. J 
Prunus. 
Flowers with several styles; fruit an apple, 
or pear-like ; leaf-stalk without glands. } 
Py'rus. 
Herbs (not thorny), or low, depressed undershrubs. 
