\"it)LA<K.t:. — Corolla l-spurreil. Stamens 5. I'lxl 



with 3 rows of seeds on the wuUs 17 



Balsam IN ACE.*:. — Corolla l»piiri<il, tlic spur with 



a tail. Stamens 5. I'oil bursting elasticully. "JT 



I'uLYCALACE.f.. — Lower petal keelsliapcd, nsually 

 fringed at tlie top. Anthers U or 8, 1 -celled, 

 opening at the toj>. l'o«l 'J-celled 32 



LKfMMiMis.t;. — Corolla mostly pajiilionaceons. 

 Filaments often nnited. C)vary ximple, with 

 one parietal placenta. Leaves compound.... 33 



•*-■*- Corolia reipilar, or nearly so, 



1. Caly.K superior {i.e., sulherent to the ovary, 

 wlujjly or partially). 



(a J Stamemt j^riijtjnoua (in^trted on the calyx). 



Crataegus, in 



Ki).SAiE.»:.— Shrubs. Stamens occasionally from 5 

 to 10 only. Leaves alternate, with stipules. 

 Fruit drupe-like, containing 1-i) bony nutlets. 38 



Saxikkaijack.k. — Leaves opposite or alternate, 

 without stipules. Styles or stignia.s '2 ; in one 

 instance 4. Ovary 1 -celled, with 2 or 3 

 parietiil placent;e .... -Hi 



HAMAMKi.ArK.i-:. — Shrubs. Stamens 8; styles 2. 



Flowers yellow, in autumn 48 



Halorac.e.«. — Aquatics. Stamens 4 or 8. Styles 



or sessile stigmas 4 49 



O.VACRArE.*:. — Flowers symmetrical. Stamens 2, 



4, or 8. Stigmas 2 or 4, or capitate 49 



MKLASTiiMACE.t. — Authers 1 -celled, opening by a 

 pore at the apex. Stamens 8. Style and 

 stigma 1. Flowers purple 51 



LvTHRAfE.f.. — Calyx apparently adherent to, but 

 really free from, the ovary. Stamens 10, in 2 

 sets. Leaves mostly whorled .'>1 



t'rciKBiTACE.t:. — Tendril-bearing herbs. Flowers 



moua-cious 52 



(h) Stamejui epigynous (on the ovary, or on a disk ichich 

 covers the ovary J. 



Euonymus, in 



C'ELASTKACK.t:. — Shrub, with 4-8ided branchlets, 

 not climbing. I^eaves simple. Potls crimson 

 when ripe. Calyx not minute 30 



U.MBELLiFER.*- — Flowers chiefly in compound 

 umbels. Calyx very minute. Stamens 5. 

 Styles 2. Fruit dry, 2-see<led 53 



ARALtACE-«. — Umbels not compound, but some- 

 times panicled. Stamens 5. Styles usually 

 more than 2. Fruit berry-like . . 56 



Corn AiE.t;. — Flowers in cymes or heads. Sta- 

 mens 4. Style 1 57 



2. Calyx inferior (i.e., free from the ovary). 



(a) Stamens hypoijynous (on the receptacle). 



CRrriFER.*;.— Petals4. Stamens 6, tctradynamous. 



Pod 2-celled 1'- 



ClstacEwK. — Petals 3. .Sepals 5, very unequal ; or 



only 3. Pod partly 3-cclle<l 18 



Dkoskka<k..».. — Ix-'ftveH radical, Wset with re.ldiiih 



glandular hairs. Flowers iu a l-sidu<l raceme 10 



Elodes, in 



Hvi'ERH'a<'K^:. — Leaves with transparent dot*. 



Stameus 9, in 3 clusters 1 '.) 



CARVi)PHVi.i,AC'E.t-— Styles 2 5. Ovules in the 



centre or Ixittom of the ctdl, Sti-m usually 

 swollen at the joints. Lt-aves op(>o«ite 21 



Linage.*:. —Stamens 6, united below. Po<l Mt- 



celled, iO-seeded 25 



(JERANiACE.f.. — Stamens 5. Carnt^ls 5,— they and 

 the lower parts of the 5 styles attached to a 

 long beak, and curling upwanls in fruit 26 



O.XAUnACE.«. — Stamens 10. Po<l 5-celled. Style* 

 5, distinct. Leaflets 3, obcorilat«, drooping 

 at night-fall 27 



£KlCAC'E.e. — Anthers opening by pores at the top, 

 or across the top. Leaves mostly evergreen, 

 sometimes brown Itencath ; but in some in- 

 stances the plant is wiiite or tawny 85 



(h) Stamens perigynous (plainly attached to the calyz). 



SAXiKRAfiAfE.t:. — Leaves opposite or alternate, 

 without stipules. Style-> or stigmas 2 ; in one 

 instance 4. Carpels fewer than the petals. . . 46 



CRA.ssfi.ArK.*:. — Y\owevi sf/mtnffHra/. Stamens 10 



or 8. Leaves sometimes thshj- 48 



Lythrace.c — Stamens 10, in two sets. Calyx 

 enclosing, but really free from, the ovary. 

 Leaves mostly whorled 51 



(c) Stamens attacJied to a flfshy disk in the ftottom of the 

 calyx-tube. 



AvACARUiACE-f.. — Trees, or shrubs, not prickly. 

 I..eavcs compound. Stigmas 3. Fruit a 1- 

 seeded drupelet 28 



CELASTRACKt:. — Twininc shrub. Leaves simple. 



Po<ls orange when ripe 30 



Safin i»ACE.*:. — Shrubs, or trees. Fruit 2- winged, 

 and leaves palmately-veined. Or, Fruit an 

 inflated 3-celled po<l, and leaves of 3 leaflets. 

 Styles 2 or 3 31 



(d) Stamens attached to tlu petals at their very base. 



Claytonia, in 



PoRTii.ACACK.*:. — Sepals 2. Leaves fleshy. Style 



.3-cleft 23 



AQriFoLiACE-t. — Shrubs, with small axillary 

 flowers, having the parts in fours or sizes. 

 Fruit a red berry-iike <lru|K-. Ntit^nu M**ile. 

 Calyx minute 90 



IL (iAMOPKTAU )US DIVISION. 



Corolla with the petals united together, in however 

 slight a degree. 



