Mahastrum. MALVACE^. 309 



Ell. Sk. ii. 159, hardly Pursh, Fl. ii. 452.1 — Gravelly and rocky hills and banks, Nashville, 

 Tennessee (not seen farther east), and along the Mississippi from St. Louis northward, west 

 to Kansas ; fl. late summer. 



■i— -)— Chiefly perennial, subtropical : pubescence not lepidote-stellate. 

 M. Rugelii, Watson. Suffruticose, a yard high, branching : stems strigose with 2-4-rayed 

 close hairs : leaves deltoid-ovate to oblong, inch or two long, rather long-])etioled, coarselv 

 and irregularly serrate, sparsely and minutely pubescent, straight-veined : flowers sessile or 

 nearly so in the axils and subcapitate at the ends of the branches : bractlets of iuvolncel 

 subulate : calyx-lobes from triangular-ovate to short-acuminate, shorter than the orange- 

 yellow petals : mature carpels about 15, depressed-reniform, much compressed, hispidulous 

 above, pointless or with an obscure point behind the inflexed apex. — Proc. Am. Acad. xvii. 

 367, without the synonymy ; Chapm. Fl. ed. 2, 608. Malva scoparia, Jacq. Collect, i. 59, & 

 Ic. Rar. t. 139, not L'Her. M. corcltori/ulia, Desr. in Lam. Diet. iii. 755 (good specif, name). 

 M. Americana, var., Shuttl. in distr. pi. Rugel, no. 90. — S. Florida, Rugel, Garber, Curtiss, 

 dist. by the latter as Meloclua serrata ; perhaps introduced. (San Domingo, &c.) 



M. tricuspidatum, Gray. Suffrutescent or northwardly only annual, a foot or yard 

 high, freely branching, strigose with mostly 2-rayed (i. e. medifixed) or some 3-rayed and 

 some simple hairs : leaves slender-petioled, from round-ovate or subcordate to ovate-oblong, 

 irregularly and thickly serrate, larger obscurely 3-lol)ed, numerously straiglit-veined : flowers 

 mostly solitary in the axils, mostly surpassed by the petioles : petals bright yellow (expand- 

 ing only at midday), exceeding the calyx: carpels 8 to 11, depressed and conduplicate- 

 reniform, hirsute at summit, bearing an awn-like cusp just back of the inflexed apex (splitting 

 into two in dehiscence) and a pair of short and blunt ones on the back. — PI. Wright, i. 16, 

 & Bot. U. S. Expl. Exped. 148 ; Griseb. Fl. W. Ind. 72. M. carpinifoUum, Gray, PI. Fendl. 

 22, a mistake. Malva Coromandeliana, L. Spec. ii. 687, but not native to India. M. tricus- 

 pidata, Ait. f. Kew. ed. 2, iv. 210; DC. Prodr. i. 430. M. Americana, Cav. Diss. ii. 80, t. 22, 

 f. 2, not L. M. subhastata, Cav. 1. c. 72, t. 21, f. 3. M. Domingensis, Spreng. in DC. 1. c. 

 431. M. Lindheimeriana, Scheele, Linnsea, xxi. 470 {Malvastru7n Li7idheimeria)rum, Walp. 

 Ann. ii. 153). Sida bracteolata & S. carpinoides, DC. 1. c. 460, 461.2 — Texas and Florida; 

 also a ballast-weed farther north. (Trop. Amer. and nat. on most trop. shores.) 



M. SCOpariuna, Gray. Frutescent, with minute stellular-canescent and no strigose pubes- 

 cence : leaves ovate or deltoid-ovate, or subcordate, acutely serrate, with few pairs of sti'aight 

 veins : flowers ses.sile or nearly so in the axils and subspicate at ends of branches : calyx 

 finely canescent, with ovate lobes obtuse or barely acute : mature carpels canesceutly pubes- 

 cent at depressed top, bearing a pair of conical tubercles on the back, but no apical cusp or 

 a mere vestige. — Bot. U. S. Expl. Exped. 147. Malva scoparia, L'Her. Stirp. Nov. t. 27; 

 ? Cav. Diss. t. 21, f. 4. — Mountains south of TJjicson, Arizona, Pr ingle (distr. as M. tricuspi- 

 datum), Parish. (Mex., S. Am.) 



M. spicatum, Gray. Frutescent, pubescent, not strigose, 2 or 3 feet high ; leaves deltoid- 

 ovate, crenate-.serrate, rarely obscurel_y lobed, more sparsel^'-veined, larger 5-ribbed at base, 

 slender-petioled : flowers mainly in terminal heads or at length cylindrical spikes : cal^'x 

 barbately hirsute or hispid ; the lobes acuminate : mature carpels depressed-reniform, hirsute 

 at top, pointless, the inflexed apex rostrately extended. — PI. Fendl. 22. 31. Americanum, 

 Torr. Bot. Mex. Bound. 38. Mnlva spicatu, L. Spec. ed. 2, ii. 967. M. Americana,!,. Spec. 

 ii. 687, as to syn. Breyn. Cent. 124, t. 57. M. spicata, orata, & polystachya, Cav. Diss. t. 20, 

 f. 2, 4, & t. 138, f. 3.3 — S. Texas, on the lower Rio Grande, Schott. Introduced at Apalaclii- 

 cola, Florida, Chapvian. (Mex., Trop. Am., and now dispersed through tropics.) 



-1— H— -f— Warm-temperate perennial, cinereous with lepidote-stellular very short pubes- 

 cence : flowers solitary and subsessile in upper axils, foliaceous-involucellate. 

 M. W^rightii, Gray, a foot or two high : rigid stems ascending from a lignescent base, 

 sparingly branched : leaves from subcordate-oval to oblong, obtuse, rather coarsely serrate 

 and slender-petioled : bractlets of the involucel ovate or subcordate, adnate to base of calyx 



1 Add S3'n. Malveopsis hispida, Kuntze, 1. c. 



2 Add syn. Mnlvastrum coromandelianum, Garcke, Bonplandia, v. 295. Mcdveopsis Americana, 

 Kuntze, 1. c. 



3 Add syn. Mfdveopsis spicatn, Kimtze, 1. c. 



