♦ LYTHRACEiB 69 



2. D. Anglica, Hudson. Leaf -blade cuneate: petals much exceeding the sepals. 



LYTHRACE^. 



Calyx slightly 4angled, short: petals none: capsule globular 1 



Petals 4: capsule striate under miLroscope, splitting into 3 or 4 valves 2 



Calyx cylindrical, striate, 4 to 7 teeth with smaller ones between: petals 4 to 7 (usually 

 6): stamens as many or twice as many: capsule 2-celled 3 



1. AMMANIA, Linnaeus. 

 1. A. latifolia, L. Stems square: leaves opposite, eared at base, slender. 



2. ROTALA, Kcehne. 

 1. R. ramosior, Kceh. Capsule not bursting irregularly. 



3. LYTHRUM, Linnaeus. 



1. L. hyssopifolia, L. Petals very small: stamens usually 4 to 6, included. 



2. L. album, 11 13K. Calyx 3 or 4 lines long. 



3. L. Califoruicum, Watson. Calyx 6 to 9 lines long: rose-parple petals longec 



HALORAGEiE. 



Leaves linear or broader in whorls of 4 to 12: flowers sessile, axillary ,...,.,, 1 



Leaves in whorls of 3 or 4, mostly pinnate, segments filiform: flowers axillary. 2 



1. HIPPURIS, Linnaeus. 

 1. H. vulgaris, L. Style filiform, stamen 1: calyx globular, limb entire. Li ponds. 



2. MYRIOPHYLLXJM, Linnaeus. 



1. M. spicatum; L. Stamens 8: flowers spicate: petals ovate, greenish. 



2. M. hippurioides, Nutt. Stamens 4: petals white, obovate: toothed bracts 3 to 5 

 lines long. Both species aquatic. 



onagbaoej:. 



• Calyx divided to the ovary, lohes pernstent: aquatic or creeping marsh herbs: solitary flotPera 



ill axi/s of entire leaves. 

 Petals 4 to 6, yellow: stameoa 8 to 12: leaves alternate 1 



