BORAGINACEAE 101 



2. Cynoglossum. 768. 



1. Cynoglossum officinalis L. 



Introduced in the eastern part of the state. Homesville; Weeping 



W.ater. 



3. Lappula. 768. 



Inflorescense leafy-bracted nearly or quite to the top. 

 Marginal prickles not united by their bases. 



Prickles numerous, in two rows on the margins, 1. L. lappula. 



Prickles 7-11 not in double rows.. 3. L. occidentalis. 



Marginal prickles united by their bases into a distinct cup in at 

 least 3 of the nutlets. 2. L. texana. 



Inflorescense leafy-bracted only at the base, bracts minute above. 

 Marginal prickles distinct to the base or nearly so, fruiting pedicels 

 deflexed. 

 Lower leaves over 25 mm. wide, the basal cordate, corolla 2 mm. 

 wide. 4. L. virginiana. 



Lower leaves less than 20 mm. wide. 



Flowers over 6 mm. wide, fruit 6 mm. broad. 6. L. floribunda. 

 Flowers less than 4 mm. broad, fruit 4 mm. broad. 



5. L. americana. 

 Marginal prickles united for % to i/^ of their length. 



7. L. scaberrima. 



1. Lappula lappula L.) Karst. 



A common weed locally in the eastern part of the state. Lincoln; 

 St. James; Wahoo. 



2. Lappula texana (Scheele.) Britton. 

 Lappula cupulata (A. Gray.) Rydb. 



Common in the western part of the state. Alliance; Aten; Box 

 Butte County; Perkins; Thedford; Valentine. 



3. Lappula occidentalis (S. Wats.) Greene. 



In dry, sandy places in the western part of the state. Belmont; 

 Deuel County; Phelps County; Pine Ridge; Valentine. 



4. Lappula virginiana (L.) Greene. 



in woods and thickets mostly in the eastern part of the state. Dakota 

 County; Pishelville; Republican. 



5. Lappula americana (A. Gray.) Rydb. 



Lappula deflexa var. americana (A. Gray.) Greene, 

 in woods and thickets in the western part of the state. Chadron; 

 Beaver Creek; Plummer Ford. 



6. Lappula floribunda (Lehm.) Greene. 



In the western part of the state, mostly in plum thickets. Banner 

 County; Crawford; Pine Ridge. 



7. Lappula scaberrima Piper. 



In sandy soil in the western part of the state. Nebraska according 

 to Rydberg's Flora of Colorado. 



4. Allocarya. 769. 



1. Allocarya scopulorum Greene. 

 Nebraska according to Britton's Manual. 



