39] STUDIES IN CRATEGUS 407 
glands; borders acutely incised, or slightly 5-9-lobed and 
sharply and irregularly serrate to near the base: they are thin 
and membranaceous at flowering time, becoming firmer and 
thicker with age, harshly, though rather inconspicuously pubes- 
cent on both surfaces throughout the vegetating season, bright 
green on the upper surface, pale beneath, the prominent veins 
being disposed in 4-6 pairs: spines stout, 2-5™ long on the 
branches, slightly curved, dark chestnut-brown on the new and 
Stay on the old wood: bark of the main stem reddish-brown, 
slightly fissured and broken into many small, persistent, ashy- 
gray scales; that of the branchlets chestnut- or reddish-brown, 
or gray, sprinkled with small, pale lenticels: buds almost globu- 
lar, bright reddish-brown. 
Crategus Biltmoreana is distributed from North Carolina, 
northern Alabama, and eastern Tennessee to Virginia and Pennsyl- 
Vania. It has been usually confounded with and preserved in 
herbaria under the name C. mollis (T. & G.) Scheele,* from 
Which, or any form now resting under this name, the Biltmore 
thorn may be known by its smaller size, simple corymbs, later 
time of blossoming, and by the color and texture of the fruit. 
The type material is preserved in the Biltmore Herbarium. 
Crategus Sargenti, n. sp.—An intricately branched tree, sel- 
dom more than 6" tall, or more frequently a large shrub 2-5" in 
height, with one or several stems: the bark of the trunk ashy- 
Stay or light brown, slightly fissured and broken into many thin 
plate-like scales, or nearly smooth with. scattered patches of 
“PPressed, small scales: branches spreading or ascending, armed 
eh straight or curved, simple or branched, dark chestnut-brown 
gray spines 2.5-7™ long; they are intricately divided — 
- Mmerous, short branchlets which are clothed with dark reddish- 
brown bark and marked by small round or elongated pale oa 
ticels, forming a narrow, or occasionally round or sagt 
head: buds globular, bright reddish-brown: flowers, 
‘ppear about the first of May in the vicinity of Valley . ‘ 
| Alabama, and when the leaves are almost fully grown, dispose 
* Linnea ar: 569. 1848. 
