100 MALVACE^:. (MALLOW FAMILY). 



duncles crowded on thr stem and branches, the fruit downy: has| 

 gardens to waysides. (Adv. from Eu.) 



5. M. ALCEA, L., with the stem-leaves only once ^-parted or i-tajl, the lobes 

 incised, large flowers like No. 4, but the fruit smooth, and bractlets of the 

 involucel ovate: has escaped from gardens in Chester Co., l\nn. (Adv. 

 from Eu.) 



3. CALLIRIIHOE, Nutt. CALLIRRHOE. 



Calyx either naked or with a 3-leaved involucel at its base. Petals wedge- 

 shaped and truncate (usually red-purple). Styles, &c. as in Malva. Carpels 

 10-20, straightish, with a short empty beak, separated within from the 1- 

 seeded cell by a narrow projection, indehiscent or partly 2-valved. Radicle 

 pointing downwards. Flowers perfect. 



1. C. triangulata, Gray. ' Hairy-pubescent ; stems nearly erect (2 

 high) from a tuberous root ; leaves triangular or halberd-shaped, or the lowest 

 rather heart-shaped, coarsely crenate ; the upper incised or 3 - 5-eleft ; flowers 

 panicled, short-pedicel led (purple) ; involucel as long as the calyx ; carpds short- 

 pointed, crestless. (Malva triangulata, Leavenworth. M. Houghtonii, Torr. $* 

 Gray. ) Dry prairies, Wisconsin, Illinois, and southward. JutyiJI 



2. C. alC8eoid.es, Gray. Strigose-pubescent ; stems slender (1 high) 

 from a perennial root ; lower leaves triangular-heart-shaped, incised ; the upper 

 5 - 7-parted, laciniate, the uppermost divided into linear segments ; flowers 

 corymbose, on slender peduncles (rose-color or white) ; involucel none ; carpels 

 obtusely beaked, crested and strongly wrinkled on the back. (Sida alcaoides, 

 Michx.) Barren oak-lands, S. Kentucky and Tennessee. 



4. NAP -33 A, Clayt. GLADE MALLOW. 



Calyx naked at the base, 5-toothed. Petals entire. Flowers dioecious; the 

 staminate flowers destitute of pistils, with 15-20 anthers; the fertile with a 

 short column of filaments but usually no anthers. Styles 8-10, stigmatic 

 along the inside. Fruit depressed-globular, separating when ripe into as many 

 kidney-shaped 1 -seeded beakless and scarcely dehiscent carpels as there are 

 styles. Radicle pointing downwards. A tall and roughish perennial herb, 

 with very large 9 - 11 -parted lower leaves, the pointed lobes pinnatifid-cut and 

 toothed, and small white flowers in panicled clustered corymbs. (Named by 

 Clayton from vairr], a wooded valley or glade, or, poetically, the nymph of 

 the groves.) 



1. N. didica, L. (Sida dioica, Cay.) Limestone valleys, Penn. and 

 southward to the Valley of Virginia, west to Ohio and Illinois : rare. July. 



5. MALVASTRUM, Gray. FALSE MALLOW. 



Calyx with an involucel of 2 or 3 bractlets, or none. Petals notched at the 

 end or entire. Styles 5 or more : stigmas capitate. Carpels as in Malva, or 

 else as in Sida, but the solitary kidney-shaped seed ascending and the radicle 

 pointing downwards, as in the former. Flowers perfect (Name altered from 

 Malva.} 



