630 REPORT OF NEW JERSEY STATE MUSEUM. 



Order PRIMULALES. 



Family PRIMULACE^. Primroses, etc. 

 Key to the Species. 



a. Plants of ponds or marshes, with inconspicuous flowers. 



b. Aquatic herb, with crowded submersed pinnate leaves and a thick 



emersed spike of small flowers. Hottonia, p. 630 



hh. Small, prostrate, maritime herbs with opposite fleshy leaves and 



minute axillary flowers. Glaux, p. 633 



aa. Plants of swamps or dry ground, flowers conspicuous. 



b. Flowers white. 



c. Not over 2 mm. broad in an elongated terminal raceme ; leaves 

 alternate, obovate, obtuse 20-80 mm. long. Samolus, p. 631 



cc. Flowers 8-12 mm. broad, few or solitary, leaves lanceolate or 

 oblong lanceolate, clustered in a whorl at the top of the stem. 



Trientalis, p. 633 

 bb. Flowers yellow. 



c. Plant trailing, flowers axillary, solitary. 



[Lysimachia nummulariaY 

 cc. Plant erect. 



d. Leaves verticillate. L. quadrifolia, p. 631 



dd. Leaves opposite. 



e. Flowers not over 10 mrrt broad, in a terminal raceme. 

 /. Raceme leafy only at the base. L. terrestris, p. 631 

 ff. Raceme leafy to the middle. L. producta, p. 632 



ee. Flowers 10-25 mm. broad, axillary and slender peduncled. 

 f. Petioles strongly ciliate, plant 3-12 dm. high. 



Steironema ciliata, p. 632 

 ff. Petioles not ciliate, plant 1.5-9 dm. high. 



S. lanceolata, p. 632 



hbb. Flowers scarlet, axillary, 4-6 mm. broad, leaves opposite, black dotted 



below. [Anagallis arvensis]* 



HOTTONIA L. 



Hottonia inflata Ell. Featherfoil. 



Hottonia inflata Elliott, Lot. S. C. and Ga. 1:231. 1817 [Millidgeville. 

 Ga,]. — Britton 164. — Keller and Brown 250. 



In ponds, etc., rare; several localities in Bergen County; two 

 in the Middle and one in the Cape May district. 



Fl. — May and June specimens show flower, mature capsules 

 and buds. 



* Money-wort, "Wandering Jew," a bad weed in lawns. 



* Scarlet Pimpernel, a weed in waste ground. 



