Page:Miscellaneousbot02brow.djvu/380

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364
CHARACTERS AND DESCRIPTION OF LIMNANTHES.

Limnantheæ.

Flos completus, regularis. Calyx 3—5-partitus, æstivatione valvatâ, persistens. Petala 3—5, marcescentia. Stamina 6—10, insertione ambiguâ (hypo-perigyna), marcescentia. Filamenta distincta, 3—5 sepalis opposita basi extus glandulâ munita. Ovaria 2—5, sepalis opposita, cum stylo communi 2—5-fido mediante gynobasi connexa, monosperma; ovulo erecto, nucleo inverso. Achenia subcarnosa. Semen exalbuminosum. Embryo rectus; radicula infera.

Herbæ (Americæ septentrionalis, paludosæ) glaberrimæ, alternifoliæ, exstipulatæ, foliis divisis, pedunculis unifloris, ebracteatis, apice dilatato basin turbinatam calycis simulante.


Limnanthes.


Calyx 5-partitus. Petala 5, calyce longiora, æstivatione contortâ. Stamina 10. Ovaria 5.

Herba (Limnanthes Douglasii, Americæ occidentali-borealis) foliis bipinnatifidis, pinnis suboppositis segmentis alternis.


Floerkea. Willd.


Calyx 3-partitus. Petala 3, calyce breviora. Stamina 6. Ovaria 2 (raro 3).

Herba (Americæ orientali-borealis) foliis pinnatifidis, segmentis indivisis.