IOWA ACADEMY OF SCIENCES 
51 
Phlox. 
620 . 
621 . 
622 . 
POLEMONIACEAE. 
P. gldberrima L. Rare in open woods. 
P. pilosa L. Abundant in meadows. 
P. divaricata L. Abundant in woods. 
HYDEOPIIYLLACEAE. 
Hydeophyllum. 
623. H. virginicum L. Comm-on in moist woods. 
624. H. appendiculatum Miclix. Plenty in rich woods. {ElUsia L.) 
Maceocalyx 
625. M. nyctelea (L.) Kuntze. Abundant in moist soil. 
BORAGINACEAE. 
Cynoglossum. 
626. G. officinale L. Common in waste places. 
Lappula. 
627. L. lappula (L.) Karst. Common in waste places. Spreading. 
{E chine sper mum lappula Lehm.) 
628. L. virgihiana (L.) Greene. Common in dry woods. {E. virgin- 
icum Lehm.) 
629. L. americana (A. Gray) Rydb. Scarce in thickets. (P. de- 
• flexum Yar Americanum A. Gray.) 
Amstnckia. 
630. A. spectaMlis F. & M. Very rare in waste places; adventive. 
Identihcation verified by Prof. Aven Nelson, Univ., Wyo. 
Litiiospeemum. 
631. L. latifolium Michx. Plenty in woods. 
632. L. canescens (Michx.) Lehm. Abundant on dry prairies. ( 
633. L. linearifolium Goldie. Plenty in dry sandy soil. (L. angusti- 
folium Michx.) 
Onosmodium. 
634. 0. carolinianum (Lam.) EC. Common on prairies. 
635. 0. molle Michx. Plenty on prairies. 
velbekaceae. 
Verbena. 
636. y. urticifolia L. Commmn in woods' and fields.'. 
637. y. hastaia L. Abundant in fields. 
638. y. hastata pinnatifida (Lam.) Britton. Scarce on prairies. 
639. y. stricta Vent. Abundant cn prairies. This and the above 
three species hybridize freely producing puzzling forms. 
640. y. hracteosa Michx. Plenty in dry fields and w^aste plaices. 
Lippi a. 
641. L. lanceolata Michx. Scarce in s'wamps. 
labiatae. 
Teuceium. 
642. T. occidentale A. Gray. Common in swampy places. 
Scutellaria. 
643. 8. lateriflora L. Common along streams. 
644. 8. parvula Mfchx, Plenty in swampy places. 
645. 8c galericulata L. Scarce in swampy places. 
