Orontiew. ] OXCL AROIDEX. : 995 
D 85. Symplocarpus, Salisb. in Nutt. Gen. IN. Amer. Pl. i. 105. (Ictodes, Bigelow, Med. 
2 Bot. ii. 41, t. 24. Spathyema, ARafin. in New xus Mad epos. i. ex Endl. Gen. 240.)— 
Flores in spadice pes d EE her diti, omnes fertiles. 
Perianthii seg ig: ta, , apicibus dilatatis fornicatis dorso. pyra- 
midatis imbricatis. odit exserta, fil tis lineari-elongati p is apicibus 
angustatis ; RITU breves, DL 1 loculis tivum | til oblongis 
llelis rimis lateralib il Ovarium elongatum, inferne rhachi i immersum, 
1-loeulare v. loeulo. altero effeeto, in stylum. elongatum, crassum, 4-gonum attenuatum, 
stigmate minuto capitellato ; ovulum solitarium, subcampylotropum, ovoideum, funiculo 
brevissimo infra apicem Iocnlt affixum, migropyle atorali: Bacc: in rhachi spadicis spon- 
giosa immerso, syncarpium glob iperm:. Semen magnum, irregu- 
lariter rotundat obtuse angulat testa b embryoni arcte adhowrente, 
albumine 0 ; embryo maeropodus.— Herba magna, robusta, fcetida, rhizomate crassissimo 
sse nene, annis alternis folia floresque proferente. Fols: dece ovato-cordsa, acuta, 
crasse coriacea, nervis crassis, petiolo robusto longe vagi: 
Spatha ventricosa v. conchoides, apice curva, ees coriacea, Nimidste: rostrata, acuminata, 
inferne | cucullat I Spadix inclusus, "m crasseque 
stipitatus, spatha multo nor, violaceus. 
Spdiis 1, Ameriez, Asiz boreali-orientalis et Japoniz incole. ^ Engl: Arac. 211. -clott, Gen. 
Aroid, 1. 90. Bot. Mag. t. 836 (Pothos), 3224. 
86. Dracontium, Linn. Gen. n. 1029. — Flores in spadice diculato h phroditi, 
ommes fertiles. Perianthii segmenta 4-8, cuneata v. spathulata, apicibus fornicatis imbri- 
eatis. Stamina 4-8, Y. 9-12 et 3-4-seriata, filamentis linearibus dilatatis ; anther:e 
terminales, loculis j li tivum ük , parallelis elliptico-oblongis 
rimulis apicalib t lehi tibus ; pollen varium ovoideum 
v. globosum, perfecte v. imperfecte 2-4-loculare, in stylum brevem v. elongatum produc- 
tum, stigmate in centro styli apicis integro v. 2-4-lobo ; ovula in loculis solitaria, campy- 
lotropa, funiculis brevibus placentis medio anguli interioris adnatis affixa, micropyle 
infera. Baccw sub-2—3-lob:e, 2-3-loculares, loculis 1-spermis. Semina reniformi-rotun- 
data, eristata v. dorso tuberculata, umbilico intruso, testa crassa, albumine 0 ; embryo 
eurvus, maeropodus.—Herb:e magn: v. . gigantere, Moesia laticiferis instructee, tubere 
hypog:eo, unifoliat:e. Folium hy v. Sy gig rtit 
tis 9-sectis pinnatipartitis, petiolo longissi verrucoso ima basi vaginante. 
Peduneulus sub anthesi brevis, demum elongatus.  Spatha erecta, oblonga, basi con- 
voluta, dein aperta, fornicata, marcescens, persistens. fSpadix spatha brevior, breviter 
pesci ge irai — deorsum florens. 
Gen. Aroid. t. 8r. Lemaáire, Ill. Hortic, 1864; i 424 docetefumrt Sohnd" [73 Bot. i iv. t. 282. 
Masters in Gard. Chron. 1870, f. 08. Bot. Heg.t. 100. Bot. Mag.t.6523. Typus generis est 
JD. polyphyllum, Linn., a quo D. asperum, Koch. (CnEnsvpniuw, Schott in Gosterr. Bot. Zeit. 1875, 
72) non generice differt. GonwrN1A, Seen. Journ. Bot. 1869, 313, t. 96, 97 ; Masters in Gard. Chron. 
1873, fig. 13, 14; Bot. Mag. i. 6048; Fl. des Serres, xxi. t. 2244.6, sectionem efficit Dracontii 
apud Englerum differt staminibus 3—4-seriatis. 
Ecnrbowiu, Schott in. Gisterr. Bot. Wochenbl, 1857, 62; Gen. Aroid, t, 885. Engl. l.c. 285. Regel, 
Gartenfl. 1866, £. 503, stigma habet parvum integrum (ut in Godwinia) ovulaque fere basilaria ; 
includit species 2, Guianze incolas (unius varietates?) quarum una tantum bene nota. 
87. Lasia, Lowr. Fl. Coch. 81.— Flores in spadice sessili inappendiculato herma- 
phroditi omnes fertiles. Perianthii segmenta 4-6, obovata, apicibus truncatis fornicatis, 
teralibus interiora tegentib Stamina 4-6, filamentis brevibus latis complanatis apice 
incrassatis ; anther:e flamento paullo breviores, loculis tivum ibus ellip- 
soideis parallelis rimis elongatis extrorsum dehiscentibus. Ovarium ovoideum, 1-loculare, 
stigmate i in vertice crasso tumido sessili depresso-capitato ; ovulum solitarium, anatropum, 
