CXI. HYDROrHyLLACE.^. 625 



OiiDO CXI. HVDROFHVX.X,ACZ:iB< 



EikU. Ogii. G.jS. Liiidl. Veg. Kingd. (338. llydrolcai^ei^, Dr. ; Endl. Gen. 660. Choi^y, Descr. 

 Jlji-lrol. in Mem. Soc. Phys. Genev. vi. eum t. 3. A. Gray in Proc. Amcr. Acad. s. 312. 



Flares hermapKroditij regulares- Calyx infevusj alte divisiis, l^^bis f^egmentiave 5 

 rarius go imbrioatis ^qnalibus v. exterioribiis majoribus, sinubiis interdum appendiculatis. 

 Corolla gamopetala, iiifmidibiilaris hypocrateriformis campanulata v, rotata ; limbi lobi 5 

 rarius ac, imbricati v. raring contorti, Stmnina tot quot corolla lobi, tiibo sfBpius propu 

 basin affixa, lobia alterna^ exserta v. inclusa ; filamenta filiformia, interdum basi dilatata 

 appondiculatave v, squamis plicisve corollae alteraa. Antherce ovatse ublongiev- lineares, 

 dorso affixie, versatilesj loculis 2 parallclis rimi:^ longitudmalibus iutrorsuni dehiscentibiis. 

 I>i^a<s bypogynus panim prominuliis V. 0, Ovavmm supenim^ mine 1-loculare piacentis 

 2 liberis v. parietalibus, mine jjlacentis iiitrusis in centro contiguis v. cohaireiitibns spurie 

 3'laculai'ej nunc jjerfecte 2-locnlare placentis carnusulis septo adiiatis. Stylus tilifornjis, 

 siipeme 2-fidiis v, rarius indivisiis, v, styli 2 a basi distincti, stigni:itibu^ terniinalibna 

 parvia V- capitellatis, Ovulain quaque placenta 2-co, anatropa v, amphitropa. Caps^d^ 

 loculicide 2-,valvis, valvis indirisis semiseptifuris placeutasquo ferentibus, v. placentia erectia 

 paralleli3j v, rarius capsula septicide 2-vaIvis v. irregulariter dehiscens, placentis centra- 

 libus liberatis- Semhia seepius oblonga globosa v, angulata, in quaque placenta gemina 

 plurav. nunierosa ; testa tuberculosa reticulata v. rugosa rarius l^vis, AlbuTnen carnosmu. 

 Embryo parvus^ rarius 4ta parte albuminis longiorj rectus, cbtyledbnibus plario-convexis 

 V, semiteretibus, radicula juxta hilum supera r, vaga. 



HerbsB annufe v- perennes^ humiles v. elat^e rudesque, rarius suffrutescentes, sape hir- 

 gutre V. scabrpe, interdum setosissimse v. aculeis honidse. Folia radicalia v. altema rarius 

 ojipb^ita, Integra dentata v. jiinnatini rarius palniatim lobata v. dissecta- Floree sfepius 

 unilateraliter subsessiles secus ramos scorpioideos cyniai 2-tidaB v, dichotoma?, cymis nunc 

 ad spicam v. racemum simplicem rediictiS; v, flores ad axillasv, apices ramorum aigillatim 

 pedunculati, '. 



Species rix 150, pro uiaxiiua parte Amtricec borealis imprimis occidcntalis incolip, pnuca; tccus 

 Andes Amcricre australis usque ad Chile extensae, una epecics Africa australi propria, 2 v, 3 per 

 .regiones calidiores orbis veteris late dispereas, iiDa in ins» Saud-wicenfcium reperta. 



Ordo pluribus Gamofdalis 2-carpeIIatis accedit, a Giniiancis differt foliis sfiDpi^Hme alternis, 

 corollse lobis G^pitis imbncatiw, capsula loculicido dthiscento, a Boragineis sa?pi«s placentis bc-oni- 

 latis et albiu»ioep a Scro^^hidarinets florilme rcgiilaribus ct Hi/drolca exccpta ovarii etmctxira. 



Flores 6^10-meri in Codone. 



Calycis segraenta extoriora maxima corJata in Trieardia, 



CoroUfe lobi contorti in Hydrophylh ct in speciebus noiinuUis Kt/fio^ftif^. 



Stylus indivisus in Romanzovia. 



Capsula sa^po septicide dehisccne in Hydwha, 



Somina Isevia in Conantho^ 



C0N6PKCTUS GENBBUW. 



Tribus I. HydrophyUese, CorollBC loU ssepius coulurti. Stylus 2-fiuui. Piacentie uila- 

 tatiB facie interiore ovuliferse, a valris capsuln? uti a parielibus orarii Jibtrae v, rix prima ju vent iite 

 lineadorynli adnat^e, 



1. HyDBOFHYLLVii. Calyx sub fruetu immiUatiis, sinubus nudis \\ rarius appcudiculatis- 

 Stamina exserta, antheris linearibas. Folia radicalia ampin, longo pttiolata, canlina pauca, 



Floros wmosi.— ^"^f^ - hor. 



2, Np-MOrHiL-i., Culycis sinus appendiculati. Stamina incluea, anlJu-rl^ IrreviJjus. Ucrlse 



