. Class-book of botany [microform] : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. U8 O&OSR 53.âLOASACE.( N. Y. to NewfoundlauJ. Rhizomo prostrate, creeping, sending up several stems or scapoa wliich are simple and 4 to 12' high. Fls. small, purplisli white, alternate, a little shorter than the bracts, the upper ones ^. Jl. ' 6 M. ambfguum Nutt. Lvs. many, submersed ones pinnate, with capillary seg- ments, middle ones pectinate, u
. Class-book of botany [microform] : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada. Botany; Botany; Plants; Plants; Botanique; Botanique; Plantes; Botanique. U8 O&OSR 53.âLOASACE.( N. Y. to NewfoundlauJ. Rhizomo prostrate, creeping, sending up several stems or scapoa wliich are simple and 4 to 12' high. Fls. small, purplisli white, alternate, a little shorter than the bracts, the upper ones ^. Jl. ' 6 M. ambfguum Nutt. Lvs. many, submersed ones pinnate, with capillary seg- ments, middle ones pectinate, upper linear, petiolate, toothed or entire; Hs. mostly ^ ; petals oblong, somewhat persistent; stam. 4; carpels smootli, not ridged oii the back.âIn ponds and ditches, Penn. to Mass. Sts. floating, upper end emerged witli minute fls. and linear floral lvs. (M. natans DC.) In other situations it varies as follows. /i. LiMosuM Nutt. St. procumbent and rooting; lvs. all linear, rigid, often en- tire.âMuddy places, where it is a small, creeping and branching plant (M procumbens Bw.) o i ⢠\ ⢠y. Torr. Lvs. all immersed and capillary.âPonda 11. HIPPU'RIS, L. Mare's Tail. (Gr. imrog, a horse, ovpd, a tail.) Calyx with a minute, entire limb crowning the ovary ; corolla none ⢠stamen 1, inserted on the margin of the calyx; anther 2-lobed, com- pressed ; style 1, longer than the stamen, stigmatic the whole length in a groove of the anther ; seed l.â U Aquatic herbs. St. simple. Lvs. verticillate, entire. Fls. axillary, minute. H. vulgaris L. in verticils of 8 to 12, linear, acute, smooth, entire; tary, often ? ? (J.âTn the borders of ponds and lakes, Penn. to Arc. Am very rare. Rhizome witli long, verticillato fibers. St. erect, jointed, 1 to 2f'higli The flowers are the simplest in structure of all that are called perfect, consistin'r merely of I stamen, 1 pistil, 1 seed in a 1-celled ovary, with neither calyx lobea nor corolla. May, Ju. Order
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, booksubjectpl
