No. 14.] FLOWERING PLANTS AND FERNS. 22$ 



and in dry, rocky or sterile places. Late April — May ; fruit 

 June — early July. 



The fruit is edible, often better than that of the previous 

 species. 

 Amelanchier oblongifolia (Torr. & Gray) Roem., var. micro- 



petala Robinson (small-petaled). 



Rare. Dry plains and in sterile places : Waterford 

 (Graves), Southington (Bissell), Oxford and Seymour (Har- 

 ger). May. 



CRATAEGUS L. Hawthorn. White Thorn. 



This genus has received much attention from botanists in 

 recent years and many new species have been proposed. More 

 careful study of these may show that a part of them would more 

 properly be regarded as varieties or hybrids than as true species. 



Because of this uncertainty as to the proper treatment of some 

 forms, in the following hst the recognized species are given first 

 in the group to which they belong. Following them will be 

 found the names of any proposed species of uncertain status that 

 may belong there, the names being printed in italics, instead of 

 full-faced type. 



Oxyacanthae Loud. 



Crataegus monogyna Jacq. (having one pistil). 



Crataegus Oxyacantha of American authors, not L. 

 Hawthorn. English Hawthorn. Hedge Thorn. Haw or 



May Tree or Bush. 



Rare or local. Roadsides and old pastures. Waterford 

 (Graves), East Hartford and West Hartford (A. W. Driggs), 

 New Haven (Harger), Bridgeport, Fairfield and Norwalk 

 (Eames), Stamford (W. H. Hoyt), Sharon, a great many 

 trees over a wide area (Mrs. C. S. Phelps & Bissell). Mid- 

 May — early June. Adventive from Europe. 



Often cultivated for ornament. The berries are medicinal. 



Crus-galli Loud. 



Crataegus Crus-galli L. (cockspur). 



Cockspur or Newcastle Thorn. Red Haw. 



Pastures, roadsides and fence-rows. Occasional or fre- 



15 



