1010 CXOCV.  NAIADACEJE. 
n ied "5 
duis wstivatione valvatis v. imbricatis, rarius 
Stamina 1-6, rarissime plura, in floribus hermapliroditis distincta, hypogyna, v. basibus 
segmentorum perianthii inserta, in unisexualibus solitaria v. connata ; filamenta varia. 
Anthere basifixee, erectze, nune 2-loculares loculis globosis oblongis v. linearibus, rimis 
elongatis extrorsum v. a latere rarius transverse dehiscentes ; nunc ad loculum solitarium 
reducize ; pollen glob llipsoid v. breviter tubul v. confervoideum. | Ovarii 
carpella 1—6, distincta v. rarius ventre connaía, gonsilin, v. stipitata, 1-locularia, obtusa v. in 
stylum breyen vy. elongatum .nune long ka; stigmata nunc apices versus 
idea v. paullo d iia, nune stylum terminantia et pulvinaria v. 
dilatata ; nune stylus i in stigmata 2-3 capillaria fissus.. Ovwla 2-0, rarissime solitaria, 
basi v. apice rarius angulo interiore loculi inserta, rarissime 2-seriata, sessilia, orthotropa 
anatropa v. campylotropa, mieropyle semper infera. Carpella matura. membranacea 
coriacea carnosula v. nucea, distincta v. rarius connata, stylo v. stigmate persistente 
terminata, indehiscentia v. angulo ventrali dehiscentia, l-co-sperma. | Semina erecta 
pendula v. angulo interiori carpelli peltabiy affixa, sessilia, recta v. curva ; testa coriacea 
carnosula v. membranacea ; albumen 0. .Embry p podus, extremi- 
tate radiculari infera, cotyled i consimili v. in p if involutum v. 
induplicatum attenuata ;- plumula in fissura p v. extremitati: byledonaris 
abscondita, v. in sinu faciei ventralis embryonis imposita et ied minus evoluta.. 
Herbie, nunc acaules paludosze et scapigere rhizomate tuberoso Y repente, Dupo aquaticae 
rhizomate repente nodoso caulibus dichot ramosis sub v. flui bus. Folia 
submersa emersa v. natantia, in generibus scapigeris radicalia, linearia v. junciformia, in 
caulescentibus opposita Ec v. rarissime 3-natim verticilata, sessilia v. petiolata, 
oblonga v. linearia v. basi ti vaginis. sepe. stipuliformibus v. in 
auriculas membranaceas produetis. Stipulke vere 0, v. p 
tubulosce v. fitsto) ATOPI SERIEN fiae parvi, scepissime inconspicui, spicati racemosi v. 
in spadicibus p ibus dispositi, bracteati v. ebracteati. 
Species ad 120, aquis paludibusque tam duleibus quam salsis orbis terrarum incole. Ordo vere 
naturalis, quamvis primo aspectu heterogeneus, ED E cyan maxime affinis, ab Aroideis non 
longe distans et non nisi habitu facile disting ; Hydi ideas multis notis revocans otsi 
valde diversus. 
FORM.E ABNORMES. 
Folia defectu p l is parallel ice fenestrata in 4ponogetone fenestrali et; A4. Ber- 
neriana;; apice tubulosa in Scheuchzeria. 
Flores 9 dimorphi, alii minuti spieati stigmatibus subsessilibus, alii ad basin foliorum multo 
majores stylo longissimo instructi in Lilea. 
CONSPECTUS GENERUM. 
Series A. . Stigma discoideum v, decurrens. 
"Tribus I. Juncaginece. Flores spicati v. racemos, ! hroditi v. uni les. Perianthii 
(rarissime 0) segmenta 6, 2-seriata, herbaeea. Stamina 6, rarissime 1." Ovarii ecarpella 3-26, 
1-2-ovulata; ovula basilaria, ereeta, anatropa.  Carpella matura indehiseentia v. dehiscentia. 
Embryo rectus.— Herbee erectee foliis juneiformibus; in paludibus duleibus salsisque vigentes. 
Tc Flores k hroditi, ebraeteati. Perianthii segmenta 3 v. 6. Stamina 6, 
basi perianthii inserta. Carpella. 3-6, PV — Rteg. temp. 
2.8 Flores h i braeteati. Perianthii segmenta 6, Stamina 6, 
subhypogyna. Carpella 3, pauci-ovulata. —Burop., Amer. bor. 
3. TxrgowciUuM, Flores dioiei, ebracteati Perianthii segmenta 4. Stamina 4, basi peri- 
^ anthii inserta, Ovarii carpella 4, 1-ovulata.- —4ner. antarct. 
4. Linxa. Flores monoiei, braeteati, périanthium 0; d stamen 1: alii spicati stigmate 
subsessili, alii ad basin foliorum solitarii stylo longissimo, . Carpellum 1, l-ovulatum.— ter. 
aust, et bor,-occid.. 
