156. BOEAGINACEAE 



FAMILY 106. BORAGINACEAE Lindl. 

 Herbs with alternate entire leaves and perfect, usually regular flowers. 

 Divisions of calyx and corolla five each. Stamens five, each inserted on 

 the tube of the corolla and alternate with its lobes. Ovary deeply 

 4-lobed, in fruit forming four 1-seeded nutlets. Style solitary. Stigmas 

 one or two. 



Corglla regular. 



Nutlets armed with pricklets. 

 Prioklets covering the nutlets. 1. Cynoglossum. 



Pricklets on the margin or back. 2. LAPpula. 



Nutlets unarmed. 

 Nutlets attached to receptacle just above their 



base : flowers blue. 3. Mertensia. 



Nutlets attached by their base to receptacle : 

 flowers not blue. 

 Styles, included. 

 Racemes not leafly-bracted. 4. Myosotis. 



Racemes leaty-bracted. 5. Lithospekmum. 



Styles exserted. 

 Corolla lobes erect, acute. 6. Onosmodium. 



Corolla lobes spreading. 7. Symphytum. 



Corolla irregular. 8. EcHlUM. 



1. CYNOGLOSSUM L. 



Corolla funnel-form, its throat closed by five scales. Nutlets attached 

 laterally, spreading. 



1. C. o£Bcinale L. Hound's Tongue. Pubescent biennial, 2°-4° 

 high : leaves oblong to lanceolate, the lower slender-petioled, the upper 

 sessile: corolla 4''''-5'''' broad, reddish -purple. — Not uncommonly intro- 

 duced in fields. May-July. 



2. LAPPULA Moenoh. Stickseed. 



Corolla salver-form, its throat closed by five small scales. Nutlets 

 attached laterally, erect. 



Leaves linear to linear oblong. 



Prioklets on margin of nutlets in two rows. 1. L. Myosotis. 



Prioklets on margin of nutlets in one row. 2. L. Texana. 



Leaves ovate-oblong. 3. L. VirginiarM. 



1. L. Myosotis Moench. Annual, l°-2° high, hirsute-pubescent : 

 flowers white or blue : prioklets in two rows on the margins of the nut- 

 lets. — Rarely found in waste places around Kansas City. May-July. 



2. L. Texana (Soheele) Britten. Erect or spreading annual, 4''-20' 

 high, hirsute-pubescent : flowers white or blue : prickles in one row on 

 the margins of the nutlets : prioklets sometimes united into a oup. — 

 Sparingly adventized along railroads from Kansas City to Courtney and 

 Atherton. May-June. 



3. L. Virginiana (L. ) Greene. Beggar's Ticks. Biennial, 2°-4' 

 high, strigose-hirsute : radical leaves round^ovate : flowers white : fruit- 



