CRATAEGUS IN MISSOURI. 



89 



A small tree, with a trunk covered with pale scaly bark, 



spreading branches forming a wide irregular head, and slender 

 branchlcts orange-green more or less tinged with red and 

 slightly hairy when they first appear, becoming dark chest- 



and marked 



and 



armed 



from 



Lettcrman 



Illinois. The trees from which this seed was gathered have 

 not been seen in recent years and they have probably been 

 destroyed in the rapid spread of the city over the Mississippi 

 bottoms. 



I take much 



name 



intendent of the Arnold Arboretum, the skilful and successful 



ed more forms 



man 



PRUINOSAE. 



Leaves 



large; fruit subglobose to short-oblong, ovate or obovate, often broader 

 than high, frequently angled, red or green, more or less pruinose, 1-2.2 



lyx 



a short tube; nutlets 3-5. 

 Stamens 20. 



Anthers rose color or pink- 

 Mature leaves smooth on the upper surface (sometimes 



fruit 



Leaves blue-green. 



Flowers on stout pedicels; anthers rose color; fruit 



crimson; leaves villose below on the midribs and 



veins early in the season. 1. C. bradeafa. 



Flowers on slender pedicels; anthers pink; fruit 



green faintly tinged with red; leaves nearly 



2. C. rubicundula. 



glabrous early in the season. 



Leav 



Leaves setose above early in the season, thin; 

 anthers bright red; fruit deep orange-red, 

 slightly or not at all pruinose. 3. C. platycarpa. 



Le 



anthers pale pink; fruit pink, very pruinose, 



4. C calliantha. 



