BERBERIDACEAE. 59 
ManonrA. Evergreen Barberry. 
(Family Berberidaceae). 
Mostly low and_ sparingly 
branched shrubs: evergreen. 
Twigs roundish, relatively stout: 
pith comparatively large, pale, 
continuous. Buds alternate, rath- 
er small except for the terminal 
one which is ovoid with half-a- 
dozen exposed scales. Leaf-scars 
narrow, low, half-encircling the 
stem: bundle-traces about 9. 
Leaves alternate, pinnately com- 
pound, pungently toothed:  sti- 
pules and stipule-scars lacking. 
(Odostemon; Berberis). 
Though less hardy than the true 
‘ barberries, the Mahonias are cul- 
tivated to a considerable extent. 
eos Sometimes their leaves are af- 
fected by cluster-cup fungi, and 
when this is the case they are 
serving as alternate Lost for the 
black-rust of wheat (Puccinia graminis). 
1. Leaves hard and coriaceous. 2. 
Leaves rather thin and membranaceous. 5. 
2. Leafiets 3- or 5-nerved at base. 4. 
Leaflets 1l-nerved. 3. 
- 
3. Leaflets small. (1). M. Fendleri. 
Leaflets large, netted-veined beneath. M. dictyota. 
4. With long persistent bud-scales at base. M. nervosa. 
Without conspicuous scales at base. (2). M. japonica. 
5. Leafiets large: habit erect. (3). M. Aquifolium. 
Leafiets moderate: low. (4). M. repens. 
