744 CLXXVI  DIOSCOREAQCEJE. 
relata. Racemi d et 9 szpe in eodem ramo evolvuntur, quod occurrit etiam in nonnullis aliis 
speciebus Brasilianis. 
SrRoPnurs et ErgPHANTODON, Salisb. Gen. Pl. Fragm. 12, genera ad descriptiones Loureirianas 
2. cirrose et, D. cburnec, Lour., proposita, a botanieis recentioribus adhue non recognita, valde dubia 
remanent. 
SiepEna, Prost in. Oken, Isis, 1838, 275 (ex Pfeif£), nomen a Steudelio in BEnresaw mutatum, 
genus propositum ad plantam a Siebero sub nomine falso Dioscoree sative CISGPTNIGEUE est Anredera, 
Juss., supra p. 78, ubi synonymon casu omissum. à 
9. "Testudinaria, Salisb. in. Bwrch. Trav. ii. 147.—Flores dioici. Fl. $: Perianthium 
late campanulatum, 6-fidum, lobis subszequalibus v. interioribus paullo majoribus. Stamina 
6, IDEEN medium perianthii affixa, filamentis brevibus ; anthere parvze, ovoideo-globosee. 
Styli rudi parum p ies EE Perianthi pepe párva, distincta. 
Staminodia parva. ons: id ; styli k stig- 
matibus recurvis 2-lobis ; ovula in quoque loculo 2, iupeptalis pendula. Capsula 3- 
quetra, angulis seu lobis viladp tibus a lado p iis, cuneatis alzformibus. 
Semina valde compressa, sursum alata, BEITIAPOIdDRS "albumen et guis. omnino Dioscorec. 
—Rhizoma seu caudex epiggeeum maximum, h v. lignosum, 
tessellato-lobatum. ^ Caulis tenuiter volubilis, alte scandens. Folia alterna, caudata v. 
subdeltoidea. Flores parvi, ad axillas racemosi, omnino Dioscorea. 
Species 2, Afric australis ineoke, —Kwn/h, Enum. Pl.v. 440. Jot. Mag. t. 1947 (Twmus). | Bot. 
Reg. t. 921. 
Genus vix non pro sectione Dioscoree habendum, nec differt nisi seminibus sursum nee deorsum 
nec eireumcirea alatis, et tubere maximo tessellato. '"Tuber tamen non longe diversum a Wawrao in 
Pr. Maxim. Reise, Bot. t. 88 delineatur in D. filiformi, Griseb., e Brasilia. 
3. Rajania, Linn. Gen. ». 1191.—Flores dioici. Fl. d: ianthium late 
latum v. explanatum, ad medium v. fere ad basin 6-fidum, e vpn Stamina 
6, infra medium v. in fundo perianthii affixa, fil tis brevibus; antherw parvse, 
ovoideo-globosze. Styli rudimentum pulvinatum v. vix prominens. Fl. 9: Perianthii 
segmenta 6, parva, distincta. Staminodia minima v. 0. Ovarium ovoideum v. oblongum, 
3-loculare ; styli brevissimi, stigmatibus recurvis scepius 2-lobis ; ovula in quoque loculo 
2 ligno der in uno solo loculo perfecta. Fructus pons ad eoruin Union reductus, 
; superne in alam 
(EU oe ; perianthii reliquiis ad unum latus infra alam persistentibus, et Joculis 2 aboriivis 
interdum ad latus fructus leviter prominentib Semen pl 
albumine more JDioscorec in laminas 2 diviso, embryonem brevem includente. — Radix 
*tuberosa.' Caulis volubilis, e& habitus omnino Dioscorev. Folia alterna, indivisa, has- 
tata cordato-oblonga v. linearia. Flores parvi, racemosi, d' secus rhachin scpe fasciculati 
v. in racemulos brevissimos dispositi; racemi 9 et interdum utriusque sexus simplices, 
pedicellis sparsis brevibus tenuibus. 
Species nobis adsunt 6, omnes Indie occidentalis incole. Kun, Enum. Pl. v. 445, excl. R. 
brasiliensi, Griseb., quz certe Dioscorez species (D. cinmamomea, Hook.). Plum. Descr. Pl. Amer. 
t£. 98; Pl. Amer. ed. Burm. t. 156. — Gertn. Fruct. i.t. 14. — Hook. Ic. Pl. t. 1392. 
Folia in 7, angustifolia, Sw., haud. raro hinc inde in ramulo brevissimo CODTeRtD folium digitatum 
3-5-foliolatum simulant, et hue forte pertinet R. folia, Linn. &àB a 
Grisebachio ad 7, lobataz, Poir., relata, SOT IDAN A JDiosórta speciem. pertinent, 
4. "Tamus, lann. Gen. n. 1119. (Tamnus, Juss. ,Gen. 43.)—Flores dioiei, Fl. d: 
P lat demum sul 1, alte 6-fidum, lobis subzequali- 
i Ue Stamina 6, in fundo. perianthii circa rudiment, styli d v. breviter 3- 
fidum affixa, perianthio parum v. multo breviora, filamentis filiformibus ; antheree parvi, 
ovoides. Fl. 9: Perianthii segmenta 6, parva, angusta, distincta. Staminodis minuta 
v. 0. Ovarium 3-loculare ; stylus breviter ——— stigmatibus 3 recurvis emarginatis ; 
ovula in loculis 2, superp Bacca subg| ,indehiscens. Semina pauca, 
