WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 417 
Carpels membranous, rounded at the 
apeX............2-.2222-------- 6. GAYOIDEs (p. 419). 
Carpels leathery, usually acute or cus- 
pidate...........22..22..202.0-.- 7. ABUTILON (p. 419). 
Calyx bracted; seeds 1 to 3 in each carpel. 
Capsules hirsute as well as_ stellate- 
pubescent, 2 or 3-seeded, smooth 
on the sides at the base. ........ 8. PuHymosla (p. 420). 
Capsules stellate-pubescent but not hir- 
sute, 2-seeded, more or less retic- 
ulate at the base............ .... 9. SPHAERALCEA (p. 420). 
Seeds solitary in each carpel. 
Calyx bracteate. 
Flowers white; stems prostrate......... 10. Diseua (p. 424). 
Flowers orange to pink; stems erect....11: Matvastrum (p. 425). 
Calyx not bracted. 
Perennials; carpels erect, with con- 
nivent or erect tips.............- 12. Suwa (p. 425). 
Annuals; carpels depressed, the tips 
spreading. 
Carpels 9 to 20, hirsute; flowers ax- 
illary. 2.2.2.2... eee eee. 13. Anopa (p. 426). 
Carpels 5 to 9, not hirsute; inflores- 
cence racemose or paniculate.14. Srpanopa (p. 427). 
1. TRIONUM Medic. FLoweEnr-or-aAn-HouR. 
More or less hispid annual, branching from the base, with palmately 8 to 5-lobed or 
parted leaves and dull white flowers with an inflated nerved calyx; capsules ovoid, 
about 15 mm. high, inclosed in the persistent calyx. 
1. Trionum trionum (L.) Woot. & Standl. 
Hibiscus trionum L. Sp. Pl. 697. 1753. 
Type tocauity: ‘Habitat in Italia, Africa.’’ 
New Mexico: Ramah; north of Kennedy; Las Vegas; Raton. 
An introduced weed, occasionally found about gardens. 
2. HIBISCUS L. Rose mMattow. 
Herbaceous perennials with large or small pubescent ovate leaves, and axillary pink 
or purplish flowers; calyx of 5 more or less united sepals, subtended by several bracts 
of about the same length. 
KEY TO THE SPECIES. 
Plants large, 1 meter high or more; flowers 6 to 8cm.long..... 1. H. lasiocarpus, 
Plants small, 40 cm. high or less; flowers 3 cm. long or less...... 2. H. involucellatus. 
1. Hibiscus lasiocarpus Cav. Monad. Diss. 159. pl. 70. f. 1. 1787. 
Type Loca.ity: Not stated. 
Rance: Low ground, New Mexico to Illinois, Georgia, and Louisiana. 
New Mexico: Roswell (Earle 357). 
2. Hibiscus involucellatus (A. Gray) Woot. & Standl. 
Hibiscus denudatus involucellatus A. Gray, Pl. Wright. 1: 22. 1852. 
Type Locauiry: ‘‘Sides of hills near El Paso.’’ 
RanGe: Western Texas to southern Arizona, south into Mexico. 
New Mexico: Tortugas Mountain; Grant County. Dry hills, i in the Lower Sonoran 
Zone. 
52576° 
