| Black Knapweed, Centaurea nigra | Sm   
 Med   
 Lg | 
| | Description : | The lower leaves are slightly toothed, but none of it's prickly. |  | Common Name : | Black Knapweed |  | Latin Name : | Centaurea nigra |  | Location : | Along the Minuteman trail, past Lexington. |  | Date : | 04/07/2002 16:32:18 |  | Event : | Biking to Mark's place on the 4th of July | 
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| Wild Madder, Gallium mollugo | Sm   
 Med   
 Lg | 
| | Description : | This is smooth, and the leaves are in eights, at least lower down.
I wouldn't have noticed it except that I stopped for the knapweed,
and the flowers were surprisingly showy and scented.  I picked up some of the little round burrs on my socks.
 |  | Common Name : | Wild Madder |  | Latin Name : | Gallium mollugo |  | Location : | Along the Minuteman trail, past Lexington. |  | Date : | 04/07/2002 16:34:03 |  | Event : | Biking to Mark's place on the 4th of July | 
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| Birdfoot Trefoil, Lotus corniculatus | Sm   
 Med   
 Lg | 
| | Common Name : | Birdfoot Trefoil |  | Latin Name : | Lotus corniculatus |  | Location : | Mowed grass next to the resevoir, Bedford MA |  | Date : | 04/07/2002 16:55:18 |  | Event : | Biking to Mark's place on the 4th of July | 
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| Selfheal, Prunella vulgaris | Sm   
 Med   
 Lg | 
| | Description : | I had this down as Ajuga reptans, the first time but
 Robert Flogaus-Faust points out that the long upper lip
 to the flowers makes Prunella vulgaris more likely. |  | Common Name : | Selfheal |  | Latin Name : | Prunella vulgaris |  | Location : | Mowed grass next to the resevoir, Bedford MA |  | Date : | 04/07/2002 16:56:13 |  | Event : | Biking to Mark's place on the 4th of July | 
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| Yellow Loosetrife, Lysimachia terrestris | Sm   
 Med   
 Lg | 
| | Common Name : | Yellow Loosetrife |  | Latin Name : | Lysimachia terrestris |  | Location : | Mark's garden, Concord MA |  | Date : | 04/07/2002 18:22:47 |  | Event : | Biking to Mark's place on the 4th of July | 
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