658 REPORT OF NEW JERSEY STATE MUSEUM. 



Family BO'RAGINACE^. Forget-me-not, etc. 

 Key to the Species. 



a. Nutlets armed with prickles. 



b. Flowers and nutlets 8-10 mm. broad. 



c. Flowers reddish purple, nutlets flat, stem leafy to top. 



[Cynoglossum otRcmale]* 

 bb. Flowers 2 mm. broad white, nutlets 4 mm. broad. Lappula, p. 658 



aa. Nutlets unarmed. 

 b. Flowers regular. 



c. Corolla funnel-shaped, blue, 20 mm. long, whole plant glabrous. 



Mertensia, p. 658 

 cc. Corolla inuch less than 20 mm. long, plant bristly hairy or rough- 

 ened (or nearly glabrous in Myosotis laxa). 

 d. Racemes leafy. 



e. Plant minutely roughened. [Lithospennum arvense]'f 



ee. Plant harsh with appressed bristles. 



Onosmodiuin virginianum, p. 659 

 dd. Racemes naked or leafy at the base. 



e. Appressed pubescent, flowers blue. Myosotis laxa, p. 659 



ee. Bristly hirsute, flowers white. M. virginica, p. 659 



bb. Flowers irregular, blue, plants very rough bristly. [EcJinim vulgare]t 



LAPPULA Moench. 



Lappula virginiana (L.). Virginia Stickseed. 



Myosotis virginiana Linnseus, Sp. PI. 131. 1753 [Virginia]. 

 Echinospermiitn virginianum Britton 177. 

 Lappula virginiana Keller and Brown 268. 



Frequent in woods and thickets of the northern counties ; not 

 common within our limits and confined to the Middle district. 



Fl. — Early July to late August. Fr. — Mid-August into Octo- 

 ber. 



Middle District.— ^r&thoXA (C), New Egypt, Oaklyn (S), Mickleton 

 (H), Mullica Hill (H), Swedesboro (CDL). 



MERTENSIA Roth. 



iVIertensIa virginica (L.). Virginia Cowslip. 



Pidnionaria virginica Linnseus, Sp. PL 135. 1753 [Virginia]. 

 Mertensia virginica Britton 177. — Keller and Brown 269. 



* Hound's Tongue, waste ground. 



t Corn Cromwell, a weed in sandy ground. 



X Bugloss, local in waste places ; roadsides, etc., rare. 



