Ariüiec.] .  OXOL AROIDEZE. 907 
10. Arum, Lini. Gen. n. 1028, partim.—Flores in. spadice appendiculato monoici, d et 
9 remoti v. approximati, organis neutris e basi tumida subulatis interpositis et supra 
d confertis. Perianthium 0. Fl. d: Stamina 3-4; antherre sessiles, brevissimze, loculis 
oppositis obovoideis rimulis apicalibus del iscentib tivo vix producto ; pollen 
vermiforme. Fl. 9: Ovarium oblongum, obtusum, l-loculare; stigma subsessile, pul- 
vinare ; ovula 6 v. plura, orthotropa, erecta, funiculis brevibus placentz parietali 2-3- 
seriatim affixa, micropyle supera. Bacem obovoidew, polyspermse. Semina globosa, 
vertice apiculato v. producto, testa inferne rugosa, st iolo tumido, albumine copioso ; 
embryo axilis.—Herb: rhizomate tuberoso v. deformi, foliis proterantheris v. floribus 
i asc ped 1 Hc 
P 
cowtaneis. Folia sagittata v. hastata, petiolo basi vagi p 
solitarius, brevis v. elongat Spatha v. evanida, tubo convoluto, lamina 
ovata v. ovato-lanceolata. Spadix sessilis, spatha brevior, appendice sepissime stipitata 
et cylindracea, rarius clavata ; infl iia 9 cylind quam d sepissime longior; 
organa neutra superiora deorsum, inferiora sursum spectantia. 
Species ad 20, Europam, regiones Medi et Asiam occidentalem usque ad Affgk 
habitantes. Engl. rae. 580. XN. E. Brown in Journ. Linn. Soc. xviii, 297. . Schott, Gen. Aroid, 
1.13; Ie. Aroid. t. 31 ad 40. — Nees, Gen. Fl. Germ. Monocot. iii. n. 99. ^ Reichb. Ic. Fl. Germ. vii. 
1.8,9, 10, 12. L. C. Rich. in Guillem. Archiv. i.t. 1. Fl. Dam.t. 606. Regel, Gartenfl. t. 142. 
Jiot. Mag. t. 2432, 5509. 
GyxNowzsruM, Schott in. Gistr. Bot. Wochenbl. 1855, 11; Gen. Aroid. t. 12, ab Englero ad 4rum 
reduetum, est. 4. pictum, L., Sardiniz incola, interspatio sexibus nudo, spatha marcescente et foliis 
subhysteranthiis. 
Docnara, Schott, Syn. Aroid. 24 ; Gen. Aroid, Append., quee Arum flavuin, Schott, Prodr. 40, ab 
Aro nullo charactere differt. 
11. Typhonium, Schott in Wiener. Zeitschr. iii. 72 —Flores in spadice appendiculato 
monoici, 4 et Q remoti, organa neutra infra fl. 9 subulata v. 0, supra fl. d' clavata. 
Perianthium 0. Fl. d: Stamina 1-3; anthere subsessiles, loculis elongato-ovoideis 
contiguis rimulis porisve apicali dehiscentib tivo i pi v. demum 
paullo producto ; pollen globosum. Fl 9: Ovarium id v. oblongo-obovoideum, 
1-loculare ; stigma sessile, pulvi v. hemisphzericum ; ovula 1-2, orthotropa, erecta, 
funiculis brevissimis placentz basilari aflixa, mieropyle supera. Bacecm ovoidem, 
1-9-sperm:w. Semen globosum, subacutum, iesta tenui rugulosa, strophiolo cum funi- 
culo confluente, albumine copioso; embryo axilis.—Herb:e tul foliis floribusq 
cowtaneis. Folia sagittata v. hastata, 3-5-loba v. partità v. pedatisecta, petiolo elongato. 
Peduneulus sepius brevis. Spaths tubus lutus, p t auce 
constricta ; lamina ovata v. lanceolata, acuta v. inata, aperta v. rta, erecta v. 
recurva, decidua.  Spadix sessilis v. stipitat inclusus, appendice varia swpius 
stipitata; i ti lind 9 brevis; organa neutra supra fl. d 0, infra 
fl. d 0 v. subulata, supra fl. 9 clavata, dense conferta, elongata, adscendentia v. recurva. 
Species ad 13, Asice tropicee, Australasis, et insularum maris Pacifii incole. Engl. Arac. 609. 
N. E. Brown in Journ. Linn. Soc. xviii. 260. Genera sequentia a Schottio distincta, rite pro sub- 
generibus ab Englero habenda :— 
Tyrnoxicx, Schott, Arcid. t. 15 ad 18; Gen. Aroid. t. 17. Organa neutra infra fl. d 0, supra 9 
celavata. Blume, Rumph.i.5. 396. Wight, Ic. t. 190, 193,801, 803. Mig. in Ann. Mus. Lugd. Bat. 
ji. 4. 3, f. B. Lodd. Bot. Cab. t. 422 et 616 (Arum). Andr. Bot. Rep. t. 356 (Arum). Saund. Ref. 
Bot.1.983. Griff. Ic. Pl. Asiat. t, 60 (Arum). Bot. Reg. t. 450 (Arum). / Bot. Mag. t. 839 et 2324 
(Arum), 6180. 
TxrenosrAuts, Schott in. CEstr. Bot. Wochenbl. 1857, 201; Gen. Aroid. t. 18. Organa neutra infra 
fl. d subulata, decurva v. ascendentia, supra 9 magna clavata ascendentia. .Lodd. Bof. Cab. t. 396 
(Arum). | Wight, Ic, t. 791 (Arum). Blume, Rumph. i. t. 30 (Typhonium). 
12. Theriophonum, Bhune, Rumph. i. 127.— Flores in spadice appendiculato monoici, 
d e& Q remoti, organis neutris simpliciter subulatis v. filiformibus interpositis et 
interdum supra d positis. Perianthium 0. Fl. d: Stamina 1-2; antherz sessiles, 
