122 PENTA^NDRIA. MONOGYNlA. 



ments of the calix ovate-lanceolate, acute; divisions of the 

 corolla roundish, aristate, crenulate; 5 sterile fdainents al- 

 ternating with the stamina; capsule (as in L. ciliata) 5- 

 valved, many-seeded. — On the miry strand of the Delaware, 

 &c. 8. *revo'li!ta. Six to 8 inches high, smooth; stem quad- 

 rangular, simple, leaves opposite, all linear, sessile, some- 

 what oblong, being attenuated at either extremity, revo- 

 lute on the margin, opaque and very entire, slightly 

 pubescent at the insertion of the stem; only a single pe- 

 duncle often in the axill o^'each pair of leaves, about the 

 length of the leaf, cernuous, flowers sometimes all ter- 

 ' minal, calix lanceolate, very acute; segments of the corol- 

 la roundish-oval, abruptly r,;;uminate, and often irregular- 

 ly crenulate; stamens separated at the base by interven- 

 ing dentures. — Un the banks of the St. Laurence, Lake 

 Erie, and in the state of Oliio, always in calcareous soil. 

 9. longiJoUa. 10. mimmnlaria? On the calcareous banks of 

 Lake Michigan. 11. thyrsifora. In the state of Ohio, near 

 the shoi'es of Lake Erie, &c. 



The genus Lysimaclda exists chiefly in Europe and 



Korth America; at the same time there are 2 s])ecies in 

 the Levant, 1 in Media and Siberia, 1 in Japan, 1 in New 

 Holland, near Port Jackscjn, and another (Z. dcciirrens) in 

 the isle of Tanna; these 2 are the only species yet disco- 

 vered within the Southern hemisphere. The L. thyrsi' 



Jioro, L. qiiadrifolia and L. JVummularia are common to 

 Europe. 



J 88. ANAGALLIS. L. (Pimpernel.) 



Calix 5-cleft. Corolla rotate, 5-Iobe(l. Stamu 

 nat filaments hirsute. Capsule globular, oj|cn- 

 ing hemispherically, many-seeded. 



Leaves opposite; flowers solitary, axillary. 



Species. 1. A. arveiisis. (Introduced; nov/ commp' y 

 naturalized.) This plant, prooably without much ^x, ^n, 

 has been at various periods recommended as a specific 

 for Hydrophobia. 



This small genus is chiefly confined to the South of Eu- 

 rope; there is also 1 species peculiar to Barbary, 1 to Ja- 

 maica and another to Chili. The A. ovalis of Peru appears 

 to be a Centimcnlus. 



189. DIAPENSIA. L. 



Calix 5 -parted, subtended bj 3 bractes. Cow 

 Tolla salverforro^ border 5-cleft, flat. Stamina 



