302 MALVACEiE. Callirhoe. 



Torr. & Gray, Fl. i. 227. — Prairies, &c., Arkansas i to Texas; fl. spring; first coll. by 



Nuttall. 



§ 2. Annual : carjiels short-beaked, densely pubescent : involucel of 3 linear 



bractlets, 



C* scabriuscula, Robinson, n. sp. Erect, subsimple, a foot and a half high, covered 

 throiigliuut with a fine close slightly rough stellate tomentum : leaves suborbicular in out- 

 line, deeply and palmately 5-cleft ; lobes oblong or lanceolate, entire or few-toothed, obtuse ; 

 petioles of the lower leaves 3 or 4 inches long, channelled above ; the upper leaves shortly 

 petioled ; stipules lance-linear : peduncles rather rigid, considerably exceeding the subtend- 

 ing sessile foliaceous 3-5-parted bracts : calyx-lobes lanceolate, acuminate, 3-nerved, 4 or 5 

 lines long : obovate subtruncate petals more than an inch in length : carpels with lateral 

 walls often although not alwa^'s evanescent in manner of Anoda ; styles somewhat persistent. 

 — Collected on the Colorado Kiver of Texas by Dr. Sutton Hayes (no. 80) while on the El 

 Paso and Ft. Yuma Wagon Road Exped. A single specimen in herb. Gray. 



§ 3. Annual : mature carpels with beak little shorter than the body ; the 

 latter with smooth back, 3-crenate at summit : no involucel. 



C. pedata, Gray. Stem erect, a foot or even a yard high, leafy : radical and lower leaves 

 round-cordate, palmately or pedately 5-7-lobed or -parted and the lobes coarsely toothed or 

 incised, upper 3-5-cleft or -parted usually into narrow divisions : peduncles longer than the 

 leaves and somewhat racemose at summit of stem : calj^x 5-parted ; lobes triangular-lanceolate 

 and attenuate, 3-nerved : petals inch or less long, red-purple or cherry-red, varying to lilac, 

 erose at broad summit : mature carpels straight with the thick beak excised within, more or 

 less rugulose-reticulated on the sides, somewhat disposed to dehiscence at base. — PI. Fendl. 

 17, PI. Lindh. pt. 2, 160 (excl. syn. Bart. & Hook.), Gen. 111. ii. 53, t. 118, PI. Wright, i. 15, & 

 ii. 20; Groenl. Rev. Hort. vi. (1857) 429, f. 148. Sida {Nuttallia) pedata, Nutt. in herb., 

 apparently, but not N. pedata, Hook., &c. — Prairies and thickets, common in Texas,^ first 

 coll. by Berlandier ; fl. spring & summer. 



5. SIDALCEA, Gray, (Name compounded of Sida, to which the known 

 species had been referred, and Alcea, from some general likeness to that genus.) 

 — Herbs of W. North America, erect ; with mostly palmately or pedately parted 

 or deeply cleft leaves, small stipules, and purple or pink or sometimes white 

 flowers of moderate size, ajipearing in spring and summer, mostly collected in 

 terminal racemes or spikes, not rarely polygamous by the abortion of the anthers ; 

 the 9 flowers being smaller. Involucels mostly 0, rarely present. Carpels 

 beakless or with distinct apiculation. — Gray in Bentli. PI. Hartw. 300, PI. 

 Fendl. 18, & Gen. 111. ii. 57, t. 120; Benth. & Hook. Gen. i. 201.^ 



§ 1. Annuals, typical species, all Californian, spring-flowering: ^^halanges 

 conspicuous. 



* Stamineal column conspicuously double ; the five exterior phalanges borne much below 

 the summit, petaloid-dilated, convolute in aestivation, quadrate or oblong, undivided, their 

 truncate summit 5-10-antheriferous on very short free filaments ; interior or terminal 

 phalanges mostly 10, linear and 2-antheriferous : petals with broad summit minutely erose- 

 denticulate, bright purple or rose-colored. 



-1— Carpels dorsally reticulated or favose ; meshes short. 



1 Missouri, McDonald Co., Bush, "uncommon"; also reported earlier from Lawrence and Jaspar 

 Counties b}' G. C. Broadhead, Bot. Gaz. i. 9. 



2 Northward to the Cimarron Val., Ind. Territory, Carleton, ace. to Holzinger. 



3 Add Gray, Proc. Am. Acad. xxi. 409, xxii. 286; Greene, Bull. Calif. Acad. Sci. i. 74 ; E. G. 

 Baker, Jour. Bot. xxix. 51. 



