J5LA1IXACKJSL 



6. I-EWISIA, Pursh, 



1. I*, rediviva, Fursh. Scapes with a whorl of scarioua bracts. 



2. L. brachycalyx, Engelm. Scapes 2-bracted at base: sepal* 4. 



ELATINAeEJE. 



Small prostrate aquatics with entire leaves: parts of the flower each 2 to 4 (except in 



sp. No. 3). Sepals obtuse: membranaceous 1 



Erect, glandular- pubescent: parts of the flower in 5's. 9 



EL.ATINE, Linnaeus. 



1. E. Americana, Arnott. Seeds pitted in 9 to 10 lines, & line long. 



2. E. brachysperma, Gray. Seeds pitted in 6 or 7 lines, shorter. 



3. E. Calif orruca. Flowers not sessile: seeds much curved: stamen* 6 to a. 



BERGIA, LUUUBQS. 

 1. B. Texana, Seubert Leaves serrulate: flowers fatciclei. 



HYPERICACEJE. 



HYFEBIOUM, Linnaeus, 



Stamens very numerous: styles 3, long .... 1, 2 



Stamens 16 to 20: styles 3, short: petals included 3 



1. H. forxnosum, HBK. var. Scouleri, Coulter. Flowers 6 lines broad. Wet ground. 



2. H. concirmum, Benth. Leaves acute: flowers an inch broad. Dry ground. 



3. H. anagalloides, G. & S. Leaves 2-6 lines long: flowers 3-4 lines broad. Wet 

 ground. 



MALVACE&. 



Column of stamens bearing anthers at the topt carpels in a ring around the axis. 



Calyx-bracts 2 or 3, united below: an evergreen ever-blooming shrub. 1 



Calyx- bracts 3, distinct: flowers axillary, pinkish: leaves 5-7-lobed 2 



Calyx-bracts none: flowers racemose or spicate 3 



Calyx-bracts 1 to 3 or none: densely tomentose (except in sp. 6 & 7) 4 



Calyx-bracts 1 or 2, slender: leaves 1-sided: flowers yellowish 5 



Column of stamens naked at top, 5- toothed: carpels forming a many-seeded capsule 

 Calyx-bracts many 6 



