WOOTON AND STANDLEY FLORA OF NEW MEXICO. 417 



Carpels membranous, rounded at the 



apex 6. Gayoides (p. 419). 



Carpels leathery, usually acute or cus- 

 pidate 7. Abutilon (p. 419). 



Calyx brae ted; 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. Pitymosia (p. 420). , 



Capsules stellate-pubescent but not hir- 

 sute, 2-seeded, more or less retic- 

 ulate at the base '.). Sphaeralcea (p. 420). 



Seeds solitary in each carpel. 

 Calyx bracteate. 



Flowers white; stems prostrate 10. Disella (p. 424). 



Flowers orange to pink; stems erect 11. Malvastrum (p. 425). 



Calyx not bracted. 



Perennials; carpels erect, with con- 



nivent or erect tips 12. Sida (p. 425). 



Annuals; carpels depressed, the tips 

 spreading. 

 Carpels 9 to 20, hirsute; flowers ax- 

 illary.. 1.",. Anoda (p. 426). 



Carpels 5 to 9, not hirsute; inflori 



cenceracemoseorpaniculate.il. Sidanoda (p. 127;. 



1. TRIONUM Medic Flower-of-an-hotjr. 



More or less hispid annual, branching from the base, with palmately3 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. & Standi. 

 Hibiscus trionum L. Sp. PI. 697. 1753. 

 Type locality: "Habitat in Italia, Africa." 

 New Mexico: Ramah; north of Kennedy; Las Vegas; Raton, 

 An introduced weed, occasionally found about gardens. 



2. HIBISCUS L. Rose mallow. 



i Herbaceous perennials with large or small pubescent ovale 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 8 cm. long 1. H. laaiocarjnu. 



Plants small, 40 cm. high or less; (lowers ."»i in. long or less 2. H. involucelh 



1. Hibiscus lasiocarpus Cav. Monad. Diss. 159. pi. 70./. 1. I 

 Type LOCAun : Not stated. 



Range: Low ground, New Mexico to Illinois, Georgia, and Louisiana. 

 New Mexico: Etoswell (.EarZe 357). 



2. Hibiscus involucellatus (A. Gray) Wool. & Standi. 

 HUntctu denudotus involnceUotxu A. Gray, PI. Wright. L: 22. Lfi 

 Type locality: "Sides of hills near El P 



Range: Western Texas to southern Arizona, Bouth into Mexico. 



New Mexico: Tortugas Mountain; Granl County, l ny hill-.-, in the Lower Sonoma 



Zone. 



7<j°— 15 — 27 



