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6. SIDA, Linn. (excl. sp.)
Calyx sæpius angulatus, nudus, rarove bracteolis 12 deciduis involucellatus. Tubus stamineus simplex. Stigmata terminalia capitellata. Ovulum in loculis solitarium, resupinato-suspensum! Capsula 515-cocca; carpella rectiuscula indehiscentia vel sæpius apice bivalvia, ab axi centrali tarde secedentia. Semen subtrigonum, umbilico sursum spectante. Embryo conduplicatus, curvature infera, radicula (ventrali) cotyledonibusque superis! Herbæ aut suffrutices (plerisque tropicis v. subtropicis); foliis sæpius indivis.
Sida, Kunth in H.B.K. Nov. Gen. (excl. sp.); Adr. Juss. in St. Hil. Fl. Bras.
Malvinda, Medik, Malv. 23
§1. PSEUDO-MALVASTRUM. Involucellis e bracteolis 13 setaceis parvis, deciduum. Carpella omnino mutica. Stellato-incano, floribus flavis croceisve.
S. HEDERACEA, Torr.! ined.=Malva hederacea, Dougl. in Hook. Fl. Bor.-Am. 1. p. 107. M. Californica, Presl! Rel. Hænk. 2. p. 121. M. plicata, Nutt.! in Torr. & Gray, l.c. M. obliqua, Nutt.! Mss. Sida obliqua, Torr. & Gray! l.c. Southern Oregon, Douglas, Nuttall. California, Hænke, Coulter, Fremont.
S. sulphurea,=Malva sulphurea, Gillies! in Hook. Bot. Misc. 3. p. 149, from Mendoza, is a nearly related species; and some others from the same region usually referred to Malva probably below here.
§2. MALVINDA, Medik. Calyx omnino nudusm 5-angulatus, 5-fidus. Carpella pl. m. rostrata, 23-cuspidata vel aristata. Flores plerumque flavi.
S. spinosa, Linn. et cæteris div. * & ** Torr. & Gray, Fl. l.c., etc.
§3. PSEUDO-NAPÆA. Calyx omnino nudus, teres, 5-dentatus. Flores umbellati-corymbosi, albi. Folia palmatifida.
S. NAPÆA, Cav.=Napæa hermaphrodita, Linn. (Vide p. 21.)
S. Hulseana, Torr. & Gray, l.c. (Abutilon Hulseanum, Torr. ined.) is probably Abutilon confertiflorum, A. Rich.
S. crispa, Linn. (which grows on Key West and in Texas) has 34-ovulate carpels, and is therefore an Abutilon, notwithstanding its close resemblance to Bastardia, to which Adr. Jussieu referred it.
A revision of the North American species of Sida, as thus restricted (of which there are several new of undetermined species from Texas, &c.), will be attempted on another occasion.
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