440 MINNESOTA BOTANICAL STUDIES. 



flowers violet- purple varying to whitish, sometimes reddish 

 purple ; sepals less than y 2 inch long, about equalled by the 

 petals and by the spur ; upper petals lined and bordered with 

 blue ; pedicels erect in fruit, lowest ones about i inch long, 

 others much shorter: follicles 3 to 5, short-oblong, puberulent, 

 y% inch or less long ; seeds black with broad light wings at the 

 angles. West Oregon south to Monterey, Calif, (f). 



Var. recurvatum n. var. 



D. recurvatum GREENE, Pitt, i: 285. 1889. 



Upper petals yellow, not bordered nor lined with blue. Calif. 



(t)- 



13. D. Hanseni GREENE, Pitt. 3: 94. 1896. 



D. hesperium var. Hanseni GREENE, Fl. Fr. 304. 1892. 



D. Hanseni var. arcuatum GREENE, Pitt. 3 : 94. 1896. 

 Closely allied to D. hesperium, but very slender : racemes 

 dense but lax : flowers smaller than that type and of a much 

 lighter blue ; seeds densely scaly, giving a white, bur-like ap- 

 pearance. Amador Co., Calif, (f). 



14. D. variegatum Torr. & Gray, Fl. i : 32. 1838. 



D. grandiflorum var. variegatum HOOK. & ARN. BOT. 



Beech. 317. 1841. 

 D. decorum BENTH. PI. Hartw. 295. 1848. Not Fisch. 



& Mey. 



Root, stem and leaves like D. hes-perium: flowers larger, only 

 few in a raceme ; sepals much surpassing the petals : follicles 

 like that species or longer. Monterey, Calif., to the upper 

 Sacramento valley. Common along streams, etc. Well worth 

 introduction to gardens (f). D. Macounii GREENE, in Herb. 

 (Macoun no. 18,078, Geo. Surv. Canada) is a low weak form 

 or variety with deeper, less fascicled roots. Rockies. Lat. 



39 40'. " 



Var. apiculatum GREENE, Fl. Fr. 304. 1892. 

 D. apiculatum GREENE, Pitt, i: 285. 1889. 

 Leaf segments broader : flowers more numerous (f). 

 Var. Blochmanae n. var. 



D. ornatum GREENE, Fl. Fr. 304. 1892. , Not Bouche. 

 D. Blochmance GREENE, Erythea, i: 247. 1893. 

 Leaf segments long and linear : sepals narrower than the 

 type, light blue or white ; petals with crisp margins. Nipowa, 

 Calif. Specimens at Berkeley (f). 



