KEY TO TITE FA^IIEIES OR ORDERS. 



SERIKS I. rHANEROCiAiiS. 

 Plants producing true flowers and seeds. 



CLASS I. DICOTYLEDONS. 



Distinguished onlinarily by having net-veined leaves, 

 and the parts of the flowers in fours or flves, very 

 rarely in sixes. Wootl growing in rings, and sur- 

 rounded by a true bark. Cotyledons of the embryo 

 mostly two. 



SUH-CLASS I. ANUIO.SI'ERMS. 

 .^eetis enclosed in an ovary. 



L P0LYPETAL0U8 DIVISION. 



Two distinct sets of Floral Envelopes. Part? of the 

 corolla 8e{)arate from each other. 



X. MaiiM-n^ iiion- than Iwirr an many as Ihe iictals. 



• Stanwnji h>/j>o<jifnous (ituerted on the receptacle). 



+- PUtU apocarjious (carjteU separate from each other). 



RANrNCCLACE.*:. — Herbs, Leaves generally de- 

 compound or much diBsected 2 



Anonace.«.— Small trees. Leaves entire. Petal" 



6, in 2 seta 7 



MAONoLiAfE.t — Trees. Leaves truncate. Fruit 



rese.iibling a cone 6 



MEMspERMArE.*:. — Wowly twiners. Flowers diu'- 



cious. Leaves peltate near the edge 7 



Brasenia, in 



Nviin - .\<inatic. Leaves oval, peltate; 



tii_ , :; .•- attached to the centre 9 



.MALVArEiC — Stamens monadelphous. Qilyx per- 

 sistent. Ovaries in a ring 24 



Podophyllam, in 



liF.kHKiiii'AiK K. —Calyx fugacious. Leaves large, 

 peltate, deeply lobed. Fruit a large fleshy 

 berry, 1 -celle<l 8 



■*-■¥- PiMil ftyncnr/tnuM. ( Sliifmrm, ntylfj*, jilac^ntct, 

 or rrJU, mor'' ihnn ow. ) 



Actsa, in 



KANr.Nrri.A'T V •"• '-x l>e looked for here. Fruit 



a many st- i y. Leaves com(X>und .... 2 



NTMf • — Arjuatics. Leaves floating, large. 



dt , .,. -ilate 9 



SARRArKMACE.e. — Bog-plants. Leaves pitcher- 



»hap*d 10 



Papaveracb*. — Juice red or yellow. Sepals 2, 



caducous 10 



Capparidace.*;. — Corolla eni<iform, but pod 



1 celled. Leaves of 3 leaflets 16 



HvPKKiCACE.t;. — Leaves transparent-dotteil. Sta- 

 mens usually in 3, but sometimes 5, clusters. . 19 



Ci.stace.*:. — Sepals 5, very unefjual, or only 3. 



Ovary 1 celled, with 3 paricul placentiv ... 18 



Malvace.-e. — Stamens monadelphous, connected 

 with the botton> of tiie petals. Calyx persist- 

 ent. Ovaries in a ring 24 



TiLiAf'E.t:. — Trees. Flowers yellowish, in small 

 iianging cymes, the peduncle with a leaf-like 

 bract attached 25 



• * Stameiis periijynous (vmerted on the calyx). 



Portulaca, in 



'^UKTLLACACK.E. — Low hcibs, wlth flesliy leaves. 

 Sepals 2, adhering to the ovary beneath. Pod 

 opening by a lid 23 



RosACE.E. — Leaves alternate, with stipules. Fruit 



apocarpous, or a drupe, or a pome 38 



- • • Sfnmenji ep'uiynonn (attached to the ovary). 



Nymphaea, in 



NvMi'H.KAca.*;. — Aquatic. Leaves floating. 

 Flowers white, large, with numerous petals 

 gradually passing into stanu-ns 9 



B. .<Slanieus uut iiif>ri- than iMire :i>> nian.t as Ike 

 IH-lals. 



• Stamcnn jimt an many ui (he prluls, and one ntamen in 



front of each jittal. 



Beuberidace.*:. — Herbs (with us). Anthers open- 

 ing by uplifting valves 8 



PoRTrLACACE.*:.— Sepals 2. Styles 3-cleft. Leaves 



2, fleshy 23 



ViTAfE.K. — Sh«ui).s, climbing by tendrils. Calyx 



minute 29 



RiiAM.NACS.f:. — Shrubs, not climbing 29 



Lysiraachia, in 



pKi.Mii.A<K,t:, is occasionally polypctalons. 

 F'lowerH yellow, in axillary spikes ; tlie petals 

 sprinkled with purplish dots 91 



• ♦ fftim^n^ either jnH n* mntiy an the jietaU and alter- 



nate with thrm, or not esactly t/ie game number. 



+■ Corolla irrerjular. 



FiMARiAfE.K. — Corolla flattened and closed. Sta- 

 mens 6 11 



