MALYACE.E. (MALLOW FAMILY.) 67 



duncles (rose-color or white) , involved none; carpels obtusely beaked, crested and 

 strongly wrinkled on the back. \ (Skla alcaeoides, Michx.) — Barren oak-lands, 

 S. Kentucky and Tennessee. 



4. WAPjEA, Clayt. Glade Mallow. 



Calyx naked at the base, 5-toothed. Flowers dioecious ; the stamint.te flowers 

 entirely destitute of pistils, with 15-20 anthers ; the fertile with a short column 

 of filaments but 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 0-11-parted 

 lower leaves, the pointed lobes pinnatifid-cut and toothed, and small white flow- 

 ers in panicled clustered coiymbs. (Named by Clayton from venrn, a wooded 

 valley or glade, or, poetically, the nymph of the groves, alluding to the place 

 where he discovered the plant.) 



1. N. tlioica, L. (Sida dioica, Cav.) — Limestone valleys, Penn. and 

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



5. SI1>A, L. Sida. 



Calyx naked at the base, 5-cleft. Petals entire, usually oblique. Styles 5 or 

 more : the ripe fruit separating into as many 1 -seeded carpels, which remain 

 closed, or commonly become 2-valved at the top, and tardily separate from the 

 axis. Embryo abruptly bent ; the radicle pointing upwards. Stigmas termi- 

 nal, capitate. — Flowers perfect. (A name used by Theophrastus.) 



1. S. IV»pa>a, Cav. Nearly glabrous, tall (2° -4° high), erect ; leaves 5- 

 cleft, the lobes oblong and pointed, toothed ; flowers (white) umbcllate-corymbed, 

 large; carpels 10, pointed, y. (Napaja laivis & hcrmaphrodita, L.) — Rocky 

 river-banks, Penn., Muhlenberg. Kanawha Co., Virginia, Rev. J. M. Brown. 

 (Cultivated in old gardens.) 



2. ■§. EliiOttii, Torr. & Gray. Nearly glabrous (l°-4° high); leaves 

 linear, serrate, short-petiolcd ; peduncles axillary, 1-flowered, short; flowers (yel- 

 low) rather large ; carpels 9 - 10, slightly and abruptly pointed, forming a depressed 

 fruit, y. — Sandy soil, Virginia (near Petersburg) and southward. May -Aug. 



3. S. spin(")SA, L. Minutely and softly pubescent, low (10'- 20' high), much 

 branched ; leaves ovate-lanceolate or oblong, serrate, rather long-petioled ; pedun- 

 cles axillary, 1-flowered, shorter than the petiole; flowers (yellow) small ; carpels 

 5, combined into an ovate fruit, each splitting at the top into 2 beaks. A little tu- 

 bercle at the base of the leaves on the stronger plants gives the specific name, 

 but it cannot be called a spine. (J) — "Waste places, common southward and 

 eastward. (Nat. from Trop. Amer. or Afr.) 



6. ABIJTILON, Tourn. Indian Mallow. 



Carpels 2 - 9-seedcd, at length 2-valved. Radicle ascending or pointing in- 

 wards. Otherwise as in Sida. (Name of unknown origin ) 



