^y- SVNUI'TICAL \iE\. 



^_ 4_ ^_ Capsule Icelhul, s.jveral-ciiri.ellfd, llie valvus not s.^i.uiutiiig tVoiii tlic jihuonUu. ("ulyx 



|i(;i'bistciit. 



+t Flowci's inc'gului. 



0. Resedaceae, y. f.S. Sc|iiils 1 : petals "2 or 4, il.lt or intiiv. : stHiiiiiis lew to iiiaiiy. I'a].- 



.suU' ;i-(l-l«Miki'>l, iiiiiiiy-smUiil. lliuba; I. avi's ull.-rimti>, ciitiio ; stipiilivs kI'HI'IiiIiii. 

 11. Vlolacero. ].. .M. S. |.uIh ami pidals n : antlu'is f), .•..li.ivnt : slylu 1, iUvuU>. Cai'Mil.' 

 a-vulvcil, inaiiy-.sLvil.:a. Low herbs, with alternate or railicul sliimlute leaves. 

 + + ++ Flowera regular. Stipules none. 



10. Cistaceae, \>. jl. Sepals and petals f>, two of the sepals minute : stamens many : style 1. 



Capsule ;{-valveil, lew- nniny-seeded. llerhs or woody at liaso ; leaves entire, alternate. 

 36. Droseiaceae, p. -il-J. Flowers 5-merous, but styles 3, 2-parted. Capsule ;5-valved, many- 



seeduil. Low marsh herbs ; leaves radieal, reddish, entire, beset with gland-tipped liaiis. 



13. Fraiikeniaceae, p. 00. Stamens 4 to 7 : style ^--l-elelt. Capsule -2- 4-valved, eiielo.sed in 



tiie tubular lurrowed 4-5dobed calyx. i>ow woody-based herbs, with ojiposilc entire 

 leaves and small llowers. 



Flowers 5-nierous : sUnnens indefinite : styles 3. Capsule a-valved. Low herbs, with opposite 

 entire punctate leaves. II vi'i:i!lCUM in IJi/pcrictucd:. 



Flowers 4-merous : petals united at base, bearing a bioad gland. Capsule 2-valved, few -many- 

 seeded. Smooth biennials, with opposite or whorled leaves. FiiASKitA in Gentkmaceoe. 



» » * Ovary eompuuml (of '2 to seveial carpels), with central jtlaeentie. Stamens mostly strictly 

 hyiiogynous. Sepals pcrsisU-nt. 



+- Flowers very irregular. 



1*2. Polygalaceae, [•. fiS. Capsule compret^sed, mirrowly winged, ^-celled, 2-see<led. Slaiiiens 

 (i to 8, united ; anthers 1-eelled, ojiening at the top. Low woody-based perennial's, with 

 alternate entire leaves, and no stipules. 



-I- -*- Flowers regular. Capsule 1-celled, with free central placenta. Leaves entire. 



+ + Embryo curved around central albumen. 



14. Caryophyllaceae, |). tJl. Flowers mostly S-merous : ]»etals sometimes none : stamens 10 



or fewer : styles W to f), the (apsule opening .by as many or twice as many valves. Seeds 

 immerous. Herbs, rarely woody at ba.so, with opposite leaves, ami mostly no stipules. 



15. lUecebraceae, J). 71. Fruit a 1-seetled utricle imduded in the calyx. IVl^ils none: sta- 



mens perigynous : style bilid. Low lierbs, with opposite leaves, scnrious stipules, and 

 sessile axillary llowers. 

 It). PortulacaceeB, ]). 73. Capsule 2 - 3-valvcd or eircumseis.sile. Sepals 2 (4 to 8 in Lewma) : 

 I>etals 2 to 5 or more: stamens few or many : style 2 - 3-cleft. Seeds few or many. 

 Succulent herbs, with opposite or alternate or radical leaves, often stipulate. 



++ ++ I'^mbryo straight in albun»en. Petals united at base : stamens opposite them. 



I'tricle 1-seeded, enclosed in the scarious (al^x. flowers r)-merou8. Perennial acaulescent maii- 



time herbs. Pi.umb.\(;in.a(K.k. 

 Capsule 5-valved, few- many-seedeil. Flowers ojostly .^)-nierous : style!. Heibs with mostly 



oi)posite leaves, or acaulescent. S(jme PiiiMiLAii.t:. 



-i- -i- -i- Floweis regular. Ovary 2 - several-celled. 



■n- Capsule not lobed nor winged. 



(a.) Stamens ilistinct or nearly so, not fascicled. 



4. Sarraceniaceae, p. 17. Capsule 5-celled, r)-valved, many-seeded. Sepals and petals 5, 



persistent : stamens many : style 5-lobed. Acaulescent marsh perennials, with jjilcher- 



shnpcd leaves and solitary llowers. 

 18. Elatinaceae \). 71>. Cajisule 2-r)-c<'lle(l, many-seeded. Flowers 2- or 5-merous; styles 



distiurl. Low annuals, with opposite leaves, miiiiiiranons stipules, and axillary llowers. 

 22. Llnacoaj, p. SS. Capside 2 -.'.valvdl, 4 -Id-.^elled and -seeded. Flowers r>-merous : hlyles 



2 to f). Low herbs, with entire opposite or alternate leaves, often with stipular glands, 



and panicled llowers. 

 Capsule 3-celled, several-seeded. Flowers 6-merous : petjils none : styles 3. Prostrate annual, 



with entire verticillate leaves and axillary llowers. Mom.ugo in Ficoidcce. 

 Capsule 5-celled, several seeded. Low herbs/, with sour juice and alternate or radical 3-foliolate 



leaves. OxAi.i.s in Geraniacece. 

 Capsule 5-10-celled, many-seeded. Stamens 10, rarely fewer ; anther-cells opening by a tenninal 



pore or chink. Scaly-bracted herbs without green foliage (or Ledum an evergreen shrub, 



with alternate exstipulate leaves). Some Rkicace^. 



