ELa TINACES. 33 
6. LEWISIA, Pursh. 
i, LL. rediviva, Pursh. Scapes with a whorl of scarious bracts, 
2 LL, brachycalyx, Engelm. Scapes 2-bracted at base: sepala 4, 
ELATINACES, 
‘Small prostrate aquatics with entire leaves: parts of the flower each 2 to 4 (except in 
sp. No. 3). Sepals obtuse: membranaceous..........0cccccececeeeceacencceces 1 
Erect, glandular-pubescent: parts of the flower in 5’8.........cccccceccceessccccccae D 
ELATINE, Linnezus, 
1. E. Americana, Arnott. Seeds pitted in 9 to 10 lines, 4 line long. 
2. E. brachysperma, Gray. Seeds pitted in 6 or 7 lines, shorter. 
3. E. Californica. Flowers not sessile: seeds much curved: stamens 6 to & 
BERGIA, Linnzus. 
1. B Texana, Seubert. Leaves serrulate: flowers fascicled. 
HY PERICACEER. 
HYPERICUM, Linnzus, 
Stamens very numerous: styles 3, long.........-...-.2-+0eeee Sis eis So veewerecssee 1,2 
Stamens 15 to 20: styles 3, short: petals included............. 0.22. cece cece cece eees 3 
1, H. formosum, HBK. var. Scouleri, Coulter. Flowers 6 lines broad. Wet ground. 
2. H. concinnum, Benth. Leaves acute: flowers an inch broad. Dry ground. 
3. H. anagalloides, C.&8. Leaves 2-6 lines long: flowers 3-4 lines broad. Wet 
ground. 
MALVACEZ. 
Colamn of stamens bearing anthers at the “sop: carpels in a ring around the aris. 
Calyx-bracts 2 or 3, united below: an evergrven ever-blooming shrub.............2+++ 1 
Calyx-bracts 3, distinct: flowers axillary, pinkish: leaves 5-7-lobed...........+-20008- 2 
Calyx-bracts none: flowers racemose or spicate, .......c. cece cece eee e ee cee ce neers 3 
Calyx-bracts 1 to 3 or none: densely tomentose (except in sp. 6 & 7).......-.... scree & 
Calyx-bracts 1 or 2, slender: leaves 1-sided: flowers yeHowish........-.......---00+-- 5 
Column of stamens naked at igus 5-toothed: carpels forming a many-seeded capsule. 
Malyx-Dracty: Many siovsi gs oc nje-ssrarriedagsiouienpiale’: bee seen skoda aseaeaseeeeuusaeeans 6 
8 
