210 JOURNAL OF THE ARNOLD ARBORETUM [vol. ir 



ROSACEAE 



Mains angusfifolia Michx. Very abundant in East Louisiana wliere 

 it occasionally forms extensive thickets in open pine barrens; in West 

 Louisiana onlv near WinnfieUL Winn Parish. Flowers Marcli 1-15, 

 Fruit September. 



Mains ioensis var. Pahueri Rehd. In wet open woods, Natchitoches 

 and St. Landry Parishes. Flowers April 15. Fruit September. 



Malus ioensis var. crcniserrata Rehd. Rich woods near Alexandria, 

 Rai)ides Parish, and near Crowley, Acadia Parish. Flowers April 3-15. 

 Fruit September. 



Anielanchicr canadensis L. A rather rare tree but widelv distributed 

 over the State. Flowers March 2. Fruit May 5. 



Crataegus Bushii Sarg. Calcasieu Parish near Lake Charles. Large 

 spreading tree. Flowers April 5, Fruit October 15. 



Crataegus CocJcsii Sarg. Winn Parish near Winn field quarries, Natchit- 

 oches, Natchitoches Parish. Flowers April 15. Fruit October. 



Crataegus edita Sarg. Low^ wet woods. Near Opelousas, St. Landry 

 Parish, and in Natchitoches Parish. Flowers April 10, Fruit October 5. 



Crataegus fersa Eeadle. Upland woods near Opelousas, St. Landry 

 Parish and in vicinity of Natchitoches, Natchitoches Parish, Flowers 

 April 10. Fruit October 5. 



Crataegus crocina Beadle. Natchitoches, Natchitoches Parish. Flowers 

 April 1-15. Fruit October 1 



Crataegus algens Beadle. Minden, Webster Parish. Flowers April 15, 



Crataegus herherifolia T. & G. Wet flat woods near Opelousas, St. 

 Landry Parish, Crowley x\cadia Parish. Flowers April 10. Fruit October 5, 



Crataegus fera Beadle. Low wet woods near Opelousas, St. Landry 

 Parish; also near Natchitoches, Natchitoches Parish. Flowers A])ril 12. 

 Fruit October 5. 



Crataegus edura Beadle. Crowley, Acadia Parish, and Natchitoches, 

 Natchitoches Parish. 



Crataegus pyracanthoides Beadle. Low woods, West Lake Charles, Cal- 

 casieu Parish. Flowers ]March 23. 



Crataegus apnea Hook. Borders of streams and j)onds in Pine- 

 barrens over the State. In St. Tammany Parish sometimes covering 

 many acres with exclusive growth or mixed with ^falus angusfifolia ^lichx. 

 Flowers February 15. Fruit May. 



Crataegus riridis L. This is the largest, the commonest and the most 



widely distributed species of Crataegus in Louisiana; sometimes the only 

 growth for miles along rivers. Occurs in low grounds in all parts of the 



State. Flowers March 1. Fruit October. 



Crataegns velutina Sarg. Natchitoches, Natcliitoches Parish. Flowers 



April 15. Fruit October 8. 



Crataegns dnjmophila Surg, Rare. A few trees near Mandeville, St. 

 Tammany Parish, in dry pine w^oods. Flowers March 15. Fruit August. 



