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. Cratcegus apiifolia, Michx. Hawthorn. 



Butler, (Lettermau). 



421. arborescens. Ell. 



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

 (Engelmann), 



422. coccinea, L. Scarlet-Fruited Thorn. 



Common. 



423. var. yiridis, 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. 



