EXOGENS. 135 



Boll 3-5-celled, dehisc. ; sds. clothed with Cotton; also edible, and 

 furnishing a fine oil for salads or for lamps. 3 original spec. ; many 

 so-culled spec, are mere varieties. %, rarely Q ; or shrubs. Trop. 

 Asia and Am. G. tricuspiddtum, %. E. Ind. i'ig. 10. G. arboreum, 

 ev. small tree; cotton yellow; staple short, of no value. E. Ind. G. 

 religibsum, Nankeen C. Cotton yellow, E. Ind., China. G. herba- 

 ceum, staple short. E. Ind. The G. herbdceum, or Short Staple, 

 Upland C. (Q) of U. S. is a variety of G. barbadense, Sba-Islanu, 

 Long-Staple C, Q|., W. Ind. Sd., Fig. 194; sd. hair. Pig. 216. G. 

 peruvidnum, S. Am. 2. Hibiscus, Kose-Mallow. Pet. 5. Pis. 

 calyculate, large, sol., showy. Shrubs, trees, often ev. .1-30 spec, 

 both worlds. H. esculentus, Okra, Gumbo. Boll long, mucilaginous, 

 edible when unripe. E. Ind. H. splendens, ev. shrub, fls. pinlc ; New 

 Holl. H. syrlacus, decid. shrub, miscalled Althaea; 12° high, fls. of 

 various colors ; H. Rosa-sinensis, ev. tree, 30° high ; fls. large, usually 

 scarlet; E. Ind. H. aculedius, ts. yeWow ; H. grandiflbrus, H. Mos- 

 cheutos, fls. rose or white; H. miliidris, fls. flesh-color; H. coecineus, 

 fls. bright red, are Q|. tall, Am. spec, ranging from Penn. to 111., S. to 

 Gulf. 3. Kosteletzkya. Pis, calyculate, large, panicled, rosy or yel- 

 low. Q|. herbs, shrubs, 5-6 spec, trop. Am. K. virginica, QJ., 2°-4° 

 high, fls. rosy, purple. Va. to Gulf. 



Tribe 3. Styles 10. Carpels 5, separating from axis. 5 gen., 80 

 spec, both world:!. 1, Malvaviscus. Pis. large, calyculate, crimson. 

 P'r. baccate, red or yellow. Ev. shrubs, 6 spec, W. Ind., Mex. M. 

 Drummondi, fr. scarlet. Tex. Z. Pavonia, fls. scarlet, red. Ev. 

 shrubs, Q|. herbs, 70 spec, both worlds. Tribe 4. Styles = ova. -cells. 

 Carpels 5-oo, usually separating from axis. 25 gen., 355 spec, both 

 worlds. 1. Modiola. Carpels 5-15; fls. calyculate, small, red. Pros- 

 trate herbs, Q, QJ.. Many .spec closely alike, trop. Am. (S. Af ?) 

 M. mulUfida, Va. to Gulf. Calyculus : 2. Abutilon. Carpels 5-15, 

 divergent at apex. Q|. herbs, shrubs ; 70 spec, both worlds. A. 

 stridtum, tall shrub, fls. orange or white, veined, pend. Brazil. A. 

 Avlcennce, Velvet A. 0, 3°-5° high ; fls. small, yellow ; Ivs. large, 

 cordate, velutinous. S. States. 3. Sida. Carpels of A., but 1-seeded. 

 Q(. herbs, shrubs. 80 spec, both worlds. S. ^apaea^ Q|-, 7° liig'h; 

 fls. small, white, corymbose ; Ivs. 5-cleft. Va. to Gulf. 4. Napaea. 

 Near S., but fls. (^J* $; Ivs. large, 5-7-parted. N. dimca, monotypic 

 Penn., Va., W. Calyculate: 5. Callirhoe (calyculus sometimes 0). 

 Carpels beaked; fls. large, crimson, mauve, rose, white. 0, Q|., 2°-7° 

 high. 7 spec, Tenn., N. C. to Gulf; Nebraska, Wis., to Tex. 6. 

 M41va, Mallow. Carpels beakless; fls. often large, showy. 0,Q|.; 

 habits various ; 16 spec, both worlds. M. vlfcea, Q|., 2°-4° high ; fls. 

 showy, racemed. PoUen-gr., Pig. 4, 5; fl.. Pig. 134. Eur. M. syl- 

 vestris, Mauve M. Fls. rich red-purple (mauve). Q|., 4° high. Fr., 

 Pig. 174, D, C. M. crispa, Curled M. 0, 4°-6° high ; Ivs. lobed 

 and crisped. Syria. M. rotundifblia. Cheese M. 0, Qj., prostrate, 

 Ivs. and fls. small ; fr. depressed, like a flat cheese. Fl.-organs, 

 Pig. 182. Eur., Asia, Egypt. Nat. in Am. 6. Lavatera. Q|., fls. 

 showy; 18 species, Eur., "W. Asia. 7. Althaea. 0, (5), Q|., fls. showy. 

 12 species, both worlds. A. rhsea, Hollyhock, (g), tall, hairy; 

 many varieties, China. A. officinalis, Marsh Mallow, rt. QJ., 

 stems 3°-4° high, woolly ; fls. large, purple. Eur. ; nat. in N. Eng. 

 Carpels <x>, congested: 8. M41ope. Q, fls. showy; 3 species, N. 



