Orontiec. ] CXCI. AROIDEJE. az 999 
265 ad 281. Lodd. Bot. Cab. t. 567, 632, 1301, 1673 (Pothos). Hook. Exot. Fl. t. 60, 122, 210, 211 
(Pothos). Jacq. Stirp. Amer. t. 1595 lc. Rar. iii. £. 609 ad 611; Fragm. t. 1 (omnia sub Potho). 
Regel, Gartenfl. t. 482, 501, 508, 519, 540, 558, 681, 702, 719, 720, 723, 873. Fl. des Serres, 
1.1794—5. Lemaire, Ill. Hortic, t. 283 (Alocasia) et t. 314 ; 1873, 4. 128; 1877,46. 271. —Peyritsch, 
Aroid. Mazimil. t. 4 ad 1. — Masters in. Gard. Chron. 1876, ii. fig. 139, 140 ; 1879, ii. f. 47. — Bot. 
Heg. t. 1635. Bot. Mag. t. 2801, 2953, 2987 (Pothos), et f. 5319, 5848, 6261, 6339. Genus in 
sectiones 17 ab. Englero, et in greges 28 a Schottio divisum, ad characteres valde complexas habitus, 
foliorum, inflorescentize et florum stabilitas. ad 
^" 95. Pothos, Linn. Gen. ». 1031.—Flores in spadice stipitato inappendiculato herma- 
phroditi, omnes fertiles. Perianthii segmenta 6, apicibus fornicatis. Stamina 6, filamentis 
brevibus v. elongatis linearibus v. dilatatis; antherw terminales, loculis connectivum 
h il erectis ellipsoideis rimis extrorsum dehiscentibus. Ovarium ovoideum 
oblongum v. depressum, 3-loculare; stigma sessile, hemisph:ericum ; ovula in loeulis 
solitaria, anatropa, funiculis brevibus adscendentibus placentis angulo interiori adnatis 
aflixa, mieropyle infera. Bac: ellipsoidez v. obovoidez, 1-3-sperm:. Semina ellipsoi- 
dea v. obovoidea, s:ep pressa, umbilico laterali, testa crassiuscula, albumine 0 ; embryo 
macropodus.—Frutices alte seandentes, ramosissimi, ramulis inferioribus radicantibus, 
summis patentibus, gemmis axillaribus v. quasi infra-axillaribus et vaginam folii perforan- 
tibus. Folia disticha, oblique lineari- v. ovato-l lata, lamina i deficiente, | 
costa distincta, nervis s:epissime a basi lamin:e egredientibus, petiolo alato v. explanato 
et foliaceo, apice geniculato v. aurieulato, basi vaginante. Pedunculi axillares v. infra- 
axillares, foliosi, vaginati v. nudi. Spatha parva, ovata v. conchoidea, rarius elongata, 
rellexa, viridis, accrescens v. persistens. Spadix spatha brevior, stipite elongato, clavatus 
globosus v. ovoideus, sspe  decurvus, interdum tortus v. flexuosus, sursum florens, 
floribus contiguis v. dissitis. 
Species ad 40 enumeratze, sed insigniter polymorph:e et verisimiliter ad 20 reducendze, Asize tam 
continentalis quam insularis, Australiw et insularum Pacificarum incole, una Madagascarieusis. 
Engl, Arac. 78, et in. Bull. Soc. Tosc, Ortic. 1879, 266. Schott, Gen. Aroid. t. 95 ; Aroid. t. 31 ad 56. 
Wight, Ic. t. 116. — Hook. Ic. Pl. t. 133, 175. 
.. Goxiunus, Presl, Epincl. Bot. 244, ad species spadice contorto et floribus spiraliter dispositis con- 
stitutus est. 
|. 96. Pothoidium, Scholl, Aroid. i. 96, t. 57 ; Gen. Aroid. t. 96.— Flores in spadicibus 
paniculatis inappendiculatis h phroditi, omnes fertiles. Perianthii segmenta 6, con- 
- cava, imbricata, apicibus fornieatis. Stamina 6, filamentis late ovatis complanatis dilatatis 
longe exsertis, apicibus acutatis ; anther: breves, terminales, loculis connectivum super- 
tib ibglobosis erectis rimis hiantil trorsum dehiscentib Ovarium obovoideum, 
l-loculare, vertice depresso ; stigma sessile, hemisphzricum ; ovulum solitarium, ana- 
iropum, funiculo brevi adscendente placentz) subbasilari aflixum, mi pyle infera. 
Fructus .. .—Frutex scandens, ramis gracilibus teretibus foliosis. Folia disticha, tri- 
"angulari-lanceolata, acuminata, coriacea, petiolo lineari elongato lamine oquilato et multo 
longiore plano basi semiamplexicauli, nervis parallelis laminam et petiolum percurren- 
tibus. Spadices in ramos axillares elongatos basi vaginatos p lati, graciliter pedicellati. 
cylindracei, longe stipitati, basi spatha parva conchiformi reflexa suffulti. 
Species 1, Arehipelagi Malayamw incola. — Engl. Jrac..94. 
97. Acorus, Linn. Hort. Cliff. 197 ; Gen. n. 434.— Flores in spadice inappendieulato 
hermaphroditi, omnes fertiles. Perianthii segmenta 6, rotundata, concava, apicibus forni- 
catis, 3 exteriora interiora obtegentia. Stamina, fil p apicibus 
angustatis ; anther:w terminal if loculis tivum superantibus erectis late 
ellipsoideis rimis latis fluentibus dehiscentibus, valvis lateralibus demum recurvis. 
Ovarium oblongo-conoideum, truncatum v. obtusum, 2-3-loculare ; stigma sessile, punc- 
tiforme; ovula in loculis plura, orthotropa, subfusiformia, funiculis brevibus ab apice 
loculi pendulis, micropyle infera. Bacem oblonge v. ovoides, 2-3-loculares, loculis 
3 Pu i : 
* 
