30 FLORA OF MISSOURI. 



416. setigera, Michx. Climbing Rose. 



Common. Occasionally found with very double flowers. 



417. Pirus angustifolia, Ait. Narrow-leaved Crab Apple. 



Jackson, (Bush), Mississippi, (Galloway), St. Louis, 

 (Tracy). 



418. arbutifolia, L. Choke-Berry. 



Holt, (Broadhead). 



419. coronaria, L. Crab- Apple. 



Common everywhere. 



420. Crataegus apiifolia, Michx.. Hawthorn. 



Butler, (Letterman). 



421. arborescens, Ell. 



Mouth of Meramec river, (Letterman), St. Louis. 

 (Engelmann), 



422. coccinea, L. Scarlet-Fruited Thorn. 



Common. 



423. var. viridis, T. & G. 



Miller, (Winick). 



424. cordata. Ait. Washington Thorn. 



Boone. (Tracy), St. Charles, (Broadhead). 



425. Crus-galli, L. Cockspur Thorn. 



Common. 



426. flava, Ait. Summer Haw. 



Boone, (Tracy), Putnam, (Swallow). 



427. Oxyacantha, L. English Hawthorn. 



Boone, (Tracy), Montgomery, (Broadhead). 



428. spathulata. Michx. 



Boone, (Tracy), Miller, (Winick), St. Charles, (Broad- 

 head). 



429. subvillosa, Schrad. 



Boone, (Tracy), Jackson, (Bush), St. Louis, (Letter- 

 man). 



430. tomentosa, L. Black Thorn. 



Common everywhere. 



431. var. pyrifolia. Gray. 



Boone, (Tracy), Jackson, (Bush). 



432. var. punctata, Gray. 



Boone, (Tracy), Jackson, (Bush), Pike, (Pech). 



433. Amelancliier Canadensis, Torr & Gray. 



Boone, (Tracy), Pike, (Pech). 

 Common South of Missouri river, but rare North. 



