9S 



KF.Y T(^ THK FAMILIHS AN'H (JKXKRA 



EE. Number of sliimcns S or 10: caps. 

 semi-suiMTior. 

 r. Petals 0; stamens S or 10; lis. soli- 



,ary - 23. C/irysos- 



re. Petals entire or lobed; stamens 10; [plenium. 



fls. raeemose .-24. TeUimc. 



AA Ovar\- 2- or ;Mocvile<l. the placcntse m the axis 

 of tlic f r. ; riirely composed of distinct carpels. 

 B. Stamens 5. (Sec idso bb.) 



'"■ ^".hulm """."'. :"""■.•. .'!"^. "^.".""25. SuUu-a.Ua. 

 cc. Carpels Vinited and wholly adnate to „ , , , 



hjTantlmim ........... .2b. Suk.dorfia. 



ccc. Carpels 2. united at biwe free from but 



included in the inflated hypanthium. .2/. BoUindra. 

 BB. Stamens 10, rarely 8 (sometimes 5 in Boy- 

 kinia). 

 c. Sepals valvate. „, „ , 



D Petals 2S. Radgersxa. 



dd! Petals 5. deciduous; stamens 5 or 10.. ..29. Boykiiim. 

 CC Sepals imbricate. , . „ . o 



D. Styles erect; petals o or 0; stamens 8 



QP iQ oO. Asiitoe. 



OD. Styles most iyrecurvixl in fr.; petals 5.. ..31. Saxifraga. 



The following genera also are treated: .Xbrophyllum, .\nop- 

 terus. Bauera, Deinanthe, l.optarrhena, and lanakffia. 



5. 



6. 



EE. Culyx-mhe urn-shnped, much longer 

 tiiali ovary; si';):ils and stamens 

 5; Hs. ill loiigariil HliMulcr racemes.. . 

 BB. Petals as many as calyx-lobes. 

 c. I'"ls. borne in calkins, 5-merous. 



D. Shape of petals broad; st .mens mth 



lonE-tilament ; disk present 



DU. Shape of petals subulate, as long as 

 sepals ; stamens nearly sessile ; disk 0. . 

 cc. Fls. in clusters, 4-merous. 



1). Lvs. deciduous, crcnate: anthers ob- 

 tuse, the locules opening with 1 valve. S 

 Dl). T.vs. persistent, entire: anthers beaked, 



t he locules opening with 2 valves 9. 



AA. Ovary-loculcs 2- or raore-ovuled. 



B. Kls. unisexual ^0. 



BB. l''ls. bisexual. 



c The fls. 5, in a head, surrounded by an in- 

 volucre of which the outer bracts are 



small, the inner gradually larger. 11. 



cc. The fls. 2 together with very short bracts 



at the base '^■^■ 



S»nouJt7- 



[sonia. 



Corylopsis, 

 Foriunearia, 



;. llamamelism 



Loropeta- 



[lunu 

 Liquidam- 



[bar, 



Rhodaleia, 

 DisanthlLS, 



78. BRUNIACE^. 



In cultivation. . 



Audfiuinla. 



(See article Diosma.', 



73. CUNONIACE^. 



A. Calyx valvate. i„.„„i,„) 



B. Stamens hypogynous, very long 1. •^"°'"''(;,„„ 



. . 2. Cemlu- 



[pftnlinn, 

 . . 3. Cuitonia. 



BB. Stamens perigynoua 



A.. Calyx imbricate, the lobes very short 



79. HALORAGIDACE.«. 



A. Stamens 1-2; calyx 3-4-lobed; ovary 1-loculed 1. a,n,nera. 

 AA. Stamens 2-8; calyx truncate or 4-toothed; , , 



ovary deeply 2- or 4-grooved 2. •^'."^"'P|«J^_ 



AAA. Stamen 1; calyx truncate; ovary l-loculed .. . 3. Hippuris. 



74. CEPHALOTACEiE. 



The only genus 



Cephalotittt. 



80. RHIZOPHORACE.ffi. 



A. Anthers 8, subscssile 



1. Rhizophora, 



AA. Anthers 15-30, on 



filaments'. '. 2. Cassipourea. 



75. CRASSULACE.*:. 



A. Stamens usually as many a^ the petals. 



B Petals free or connate only at the taa.se; 



floral parts in 5's U ••..» ^■^''a.^ula. 



BB. Petals usually connate to the middle or 



c Calyx bell-shaped, as long as the corolla- 



tube 2. Gramnmn- 



cc. Calyx many times shorter than the co- W'es. 



rolla-tube ; ■ • • / i ■ ' ' "°'^"''"- 



iA. Stamens usually twice as many as the petals. 

 B Petals free or connate only at the very base. 



c. Fls. usually 4-.5-meroU3 4. .V(/um. 



cc. Fls. t^merousor more .. ■ ■ •'• ■''""''f,;„„„ 



BB Petals usually connate to the middle or \nmm. 



c. Calyx'^large. inflated shortly 4-fid 0. Bryophyl-^^ 



cc. Calyx 4-parted 7. Kalanchof. 



CCC. Calyx .^-parted «• (^"tuh'lon. 



The following are also described: Altamiranoa. Diullcya, 

 Echeveria?Kitchingia. Lenophyllum. Oliveranthus. Pachyphyiun,. 

 Stylophyllum, Tiltea, and Urbima. 



76. DROSERACE^. 



A. Stamens 4-S; styles 2-.->; placentie parietal. . , . 1. Drosera. 

 AA.8Umens about 1.5: style columnar; placentie 



K«a«l ^. uioiitea. 



iAA. Stwnens i0^26; styles 5. filiform 3. Drosophyl- 



[lum. 



77. HAMAMELIDACEiE. 



„ Ovary-loculea 1-ovuled. 

 B. Petals 0. 



c. Lv«. evergreen. 



D. Stamens 2-8. with long filaments; Hs. in ^ , ,. 



racemes ■•■■.■ 1- 0'»'«'»<"". 



DD. Stamens a> , with short filaments; fls. in 

 heads; calyx-tube in the pistillate n. 



tubular.. i.i>ucop»is. 



cc. Lvs. deciduous. „, <■ • 



D. Number of stamens about 24; fls. in 



dense spikes •*■ /■"""'■<"«<'• 



DD. Number of stamens 5-7. 



E. Calyx-tube not urn-shaped; sepals 

 and stamens 5-7; fls. in short 

 bead-like racemes 4. Farrotm. 



81. COMBRETACE.S. 



A. Petals 0; calyx-tube not produced beyond j,^,^^,^ .„^,^^^ 



ovary : ' ' ' ; j^' ' ' L' ' 1 ' ' \ 



w Petals 5 (0 in a few species of Combretum). 

 a. Calyx-tube straight, constricted above 



c. Cotyledons convolute • ■ • 2. Pmrrea. 



cc. Cotyledons deeply furrowed or twisted 



and plaited • ■ • • ■ ,• : • ■ 3- ' omh.dum. 



BB. Calyx-tube produced to a great length be- 

 yond the ovary 



4. QuUqualit. 



82. MYRTACEjE. 



A. Ovary 1-loculed......... ^• 



AA. Ovaiy 2- or more-loculed. ,. . , „ ... 



B Fr a caps., which is locuhcidally dehiscent 

 at apex, rarely 1-2-seeded and sub- 

 indehiscent. „ 



c. Anthers basifixcd ■'• 



cc. Anthers versatile. 



u. Individual fls. pedicelled. 



E. Stamens 5-adelphous •>• 



EE. .Stamens free. 



F. Fls. in globose heads ^• 



FF. Fls. in forking cymes. 5. 



DD. Individual fls. not pedicelled. 



B. Fls. solitary in the axils of the Horal 

 lvs. or bracts. 

 F. Stamens distinct, not longer than 

 petals b. 



Thrypta- 



{mene. 



Calotham,' 



{nu8, 



Tristatiia. 



Syncarpm. 

 Metrosid- 



[eros. 



Leptosper- 



[mum. 

 Cattislemon. 



FF. Stamens distinct, long-exserted 7. 



FFF. Stamens united in clusters, long- 



exscrted o. 



EE. Fls. in cymose or umbellate heads. 



F. Petals distinct • • • 9. 



FF. Petals wanting (or adnate to the 



calyx-lid ) ■ ■ 10. 



BB. Fr. a berry or rarely an indehiscent drupe: 

 lvs. opp.isiic, punctate. ,^ ,_ , , 



c. Stam.MM .Hirainhtish in the bud: ''^"'^^^ f,^-j^ 



cc. Stamens infli-xcd or involute in the bud: 

 seeds without cndo.sperni. 

 D. Calyx-Iinib closed in bud, deeply 



divided in anthesis ,.■■.■{.• j 



DD. Calyx 4-o-lobed or -parted in the bud, 

 not cut deeper in antheses. 



Mehletica. 

 A ngophora. 

 Eucalyptus. 



. Paidium. 



