19G6 



MAGNOLIA 



MAGNOLIA 



rrs S to 10 inches in (li;ui\ctcr, white: loaves 10 to 21 

 inches long, ti to S inches broiul. Found from Penn- 

 sylvania to Mississippi. 



acuniiuata, 11. 

 alba sup4*rivi. 20. 

 Alrxanarina, 20. 

 ancU5tifoliti, 1.5. 

 auriru/<i/(i. 2. 

 lx»realis. l.S, 

 Broiionii. 20. 

 CaiiipbrUu. 23. 

 Coco, 16. 

 eonjrpieua, 21. 

 cordnta, U. 

 OTilhiformis. 20. 

 IX*Iava>T. 14. 

 denuda'ta, 19, 21. 

 dij(r»>/<T, 19. 

 elotifrata, 21. 

 exonieusis, 15. 

 falula, 15. 

 Fraseri, 2. 

 galissonioiisis, 15. 

 gtauca, 5, 12. 

 glorioea, 15. 

 gracilis, 19. 



INDEX. 



graAdiflora, 15. 

 gmndis, 20. 

 Ilallrana. 22. 

 hj,-poIouca, t>. 

 Katluiriniana, 1.5. 

 Keiskoi, 22. 

 Kobus, 18. 

 lanceolatji, 15. 

 I.onnri, 20, 

 liliflora. 19. 

 lonKifolia, 12. 

 macrophylla, 1. 

 major, 5. 

 Kicholfioniana, 7. 

 Niotnetzii, 20. 

 nigra, 19, 

 Korbertiana, 20, 

 obovata, 0, i5, 19, 

 oxoniensin, 15, 

 Oyama, 10. 

 parviflora, 8, 10. 

 prarox, 15. 

 Praverliana, 15. 



precia, 21. 

 pumita, l(j. 

 purpurascoiis, 21. 

 purpurcfl, 19. 

 pyraniidata, :i. 

 rosea, 22, 

 rutuiulifulia, l.'t. 

 rustica, 20, 

 salieifolia, 15, 17, 

 SuulaiiKcaiiH, 19, 20. 

 spcciosa, 20. 

 splcnclrns, 13. 

 sti'llatu, 22. 

 strirta, 15. 

 Tboinpt^oiiiana, .5. 

 Thurbrri, IS. 

 tripetala, 4. 

 triuiiipliaiis. 20. 

 Vmhrcllit, 4. 

 tiruijtiiirm, 12. 

 Walsiinii. 9. 

 Wilsonii, 8. 

 YuUui, 21. 



KEY TO TUB SPECIES. 



JL. Blossoms appear after or with the Irs.: 

 St. subglobosc to oblong, cone-like, 

 usually symmetrical. 

 B. Foliage deciduous. 



c. Fls. lehite, large. ^ 



D. Base of Ivs. cordate. 



E. Lf.-buds and tyranches tomen- 

 tosc: Ivs. scattered, 20-30 



in. long 1. macrophylla 



EE, Lf.-buds and branches gla- 

 brous: Ivs. crowded at the 

 end of the floircring branch- 

 lets, 0-12 in. long. 

 F, Lvs. acute: tii>s of mature 



carpels nearly straight . . . 2. Fraseri 

 FF. Lvs. obtusely pointed: tips 

 of mature carjiels in- 

 curved .'i. pyramidata 



DD. Base of lvs. narrowed, rarely 

 rounded or subcordale. 

 E. Length of Its. S-B4 in.; lvs. 

 crowded at the end of the 

 branches: buds and branch- 

 lets glabrous. 

 F. Filaments whitish: fr. 2}^— 

 Jf in. long. 

 a. Fls. 8-10 in. across: lvs. 



12-^4 in. long 4. tripetala 



GG. Fls. 5-6 in. across: lvs. 



6-9 in. long 5. Thompsoni- 



PF. FHamenls purple: fr. S- |ana 



714 in. long 6. hypoleuca 



EE. Length of lvs. S—7 in.; lvs. 

 scattered. 

 F. Shape of lvs. elliptic-oblong 

 to oblong-lanceolate, 3-6 

 in. long. 

 a. Under side of lvs. gla- 

 brous except the rufous- 

 pubescent midrib 7. Nicholsoni- 



Go. Under side densely |ana 



silky tomentose 8. Wilsonii 



FF. Shape of lvs. oval to elliptic, 

 sparingly appressed 

 pubescent beneath or gla- 

 brous, 4-7 in. long. 

 a. Peduncles and petioles 

 glabrous or nearly so: 



fls. short-stalked 0, Watsonii 



GG, Petiuncles and petioles 

 jmbesnent: fls. slen/ler- 



stalkeil 10. parviflora 



CC, Fls. greenish </r yellow: ■hs. 7-10 

 in. lon{j, sometimes rounded or 



suhcordate at the l>ase 11. acuminata 



BB. Foliage evergreen (half-evergreen or 

 lieciduous .V. in No. 12). 

 c. Petals 6-12; fls. upright. 



n. Lvs. glabrous or .•<ilky pubescent 

 beneath. 

 E. Number of iKtals 9-12: 



deeid^iaus or half-evergreen. \2. glauca 

 EE. Nunihcr of petals 7 or 8: ever- 

 green trees. 

 F. Length of hs. S-7 in., 

 olitu.'iely acu minate : 



l>i tills 1 Yi in. long 13. splendens 



FF. Length of lvs. 8-12 in., 

 usually rounded: petals 



4 in. long 14. Delavayi 



nn. Lvs. ferrugineous -pubescent 

 Inneath: petals 6-12, 3-6 in. 



long 15. grandiftora 



CO. Petals 6 ; scjxils green ; fls, nodding, 



globular, /)^ in. across 16. Coco 



AA. nht.sstuns iipinaring before the lvs. 

 {irilli Ihi- Irs. in No. I!)): fr. eylindric, 

 unsymnieirical, usually curved and 

 luristed. 

 B. Sepals 3, narrow and much shorter 

 than petals. 

 c. Fls. white. 



D. Lvs. ohlong-lanecolate or nar- 

 roiv-elliptic, broadest below the 



middle, membranous 17, salieifolia 



DD, Lvs. oborate to obovate-oblong, 

 broadest above the middle, 



ehartaceous 18, Kobus 



CC, Fls. purple, rarely nearly white. 

 D, Sepals mueh shorter than petals, 

 green, lanceolate; petals pur- 

 ple outside 19. liliflora 



DD. Sepals usually half as long as 

 petals, usually petaloid; fls. 



sometimes nearly white 20. Soulangeana 



BB. Sepals and petals alike. 



c. Petals 9, usually white: lvs. oho- 



vale, 3-6 in. long 21, denudata 



CO. Petals 9-18. 



D. Lvs. obovate-oblong, 2-3}^ ^n. 

 long: fls. 3 in. across, usually 



white 22. stellata 



DD. Lvs. elliptic to elliptic-oblong, 

 6-12 in. long: fls. 6-10 in. 

 across, pink outside 23. Campbellii 



1. macrophylla, Michx. Larce-leaved Cucumber 

 Tree. Tree, to 50 ft., with sijreailing branches: lvs. ob- 

 long-obovate, bhint, .subcordate-auriculate at the base, 

 nlauce.scent and finely pubescent beneath, 1-3 ft. long: 

 fls. cup-shaped, fragrant, 10-12 in. across; petals 6, ob- 

 long-obovate, thick, purphsh at the base, 6-7 in. long: 

 fr. broadly ovate, rose-colored, to 3 in. long. May, June. 

 Ky. to Fia., west to Ark. and La. S.S. 1:7, 8. B.M. 

 2981. G.F. 8:165. Gn. 22, p. 28; 24, p. 509; 33, p. 539. 

 F.R.S. 1, p. 14. F.E. 14, p. 23. G.C. Ill, 28:324, Gn. 

 M. 7:230. 



2. FrSseri, Walt. (A/, auriculala, Lam.). Tree, to 

 40 ft., with wide-spreading branches, quite glabrous: lvs. 

 spatulate-obovate, cordate-auriculate at the base, acute, 

 glauccscent beneath, 8-20 in. long: fls. 6-9 in. across, 

 sweet-scented; petals 6-9, oblong-obovate, contracted 

 below the middle, 4-5 in. long: fr. oblong, bright rosc- 

 red, ,3-5 in. long. Va. to Fla., west to Miss. S.S. 1:11 

 and 12. B.M. 1206. Gn. 22 p. 27; 24, p. 511; 44, 

 p. 935. F.E. 33:1071. Gn.M. 5:150. C.L.A. 5:494. 



3. pyramidata, Pur.sh. Slender tree, to 30 ft., with 

 ascenditig branches, glabrous: lvs. obovate-spatulate, 

 cordate-auriculate at the base, abruptly narrowed into 

 a blunt i)oint, glauccscent beneath, 5}^-8J^ in. long: 

 fls. 3, '^-4 in. across; .sepals much shorter than petals; 

 petals 6-9, oblong-obovate, gradually narrowed toward 

 tlie base: fr. oblong, bright rose, '2-214 in. long. June. 

 Ga. to Fla. and Ala. S.T.S. 1:51. S.M. 324. B.R. 407. 

 L.B.G. 11:1092. 



4. tripetala, Linn. {M. Umbrella, Lam.). Umbrella 

 Trek. Tre<', to 40 ft., with S])reading branches, forming 

 an open head: lvs. tapering toward the base, oblong- 

 obovate, acute, pale and pubescent beneath when 



