EXOGENS. 75 



Olive, 30° high, branchy ; fls. white. Pig. 71. Asia. Many culti- 

 vated varieties. O. ammcdno, American Olive, Devilwood. J> ? . 

 Trees, 20°-30"' high ; Ivs. lanceolate, shining ; fls. small, white, fra- 

 grant, raoemed. Drupe small, purple. Va. to Fla. Sub-Ord. 3. 

 Lvs. 1-3-5-7-foliolate. Pis. § , corolla 4-5-6-lobed. Berry or boll. 

 1. Nyct4nthes drbor-tristis, Indian Jasmine, Somnambulist, Sad ■ 

 Tree. Boll. Shrub or small tree ; fls. highly fragrant ; white border 

 with yellow eye and tube ; very showy j butexpanding only at evening 

 and falling at sunrise. E. Ind. 2, Jisminum, Jasmin, Jessamine. 

 Berry. Erect or climbing shrubs ; fls. white or yellow, very fragrant. 

 Many spec, chiefly in Old "World J. officinalis, fls. white, Ifts. 7. 

 E. Ind. J. revolutum, erect, bushy, fls. yellow, large, Ifts. 3-7. China. 

 J. SdmbaCj 1-foliolate, fls. white, often double ; E. Ind. 



Ebony Alliance. — Pis. SJ or diclinous. Corolla mono- or polypelal- 

 ous. Bta. equal to or multiples of corolla-lobes. Ova. free (adh. in 

 Styracaeese), 2-co -celled. Pr. a berry or drupe, rarely a boll. Peri- 

 sperm copious, rarely scant. Shrubs or Ib-ees; lvs. alt., exstip. 54. 

 Styracacese. S5. Cyrilldcese. S6. Ebenacese. 97. Sapotaces. 



Ord. 54. Styracacese. — Lvs. simple. Sta. mono- or polyadelphous. 

 Pis. ^ , usually white. 6 gen., 115 spec, trop., sub-trop., both worlds. 

 3 Tribes. Tribe 1. Sta. 5-10; corolla 5-fid. Ova. free, 3-celled. 

 1. Pamphilia. Trees, clothed with russet wool. Pis. small, clustered. 

 Brazil. Tribe 2. Ova. adh. Sta. 1-seriate. 1. Halesia. Snow- 

 drop Trek. Pis. 4-merous. Sta. 8-12. Corolla bell-shaped, 4-cleft 

 or -petalled, snow-white, in pendulous showy clusters, adventitious, and 

 appearing before the lvs. Drupe oblong, dry, pod-like, winged ; . 

 1-3-seeded. H. ie^mjoiera, ]0°-20° high; drupe 4-winged. Va., Ky., 

 to Pla. H. diptera, fls. larger. Tree, 20°-50° high ;"drupe 2-winged. 

 Car. to Pla., W. to Ark. 2 fine trees in the grounds of St. Cecilia 

 Academy, Nashville, Tenn. 2. Styrax. Pis. 5-merous ; sta. 10; 

 drupe 1-celled, 1-seeded. Pis. drooping, white, showy, racemed. 

 Many spec. S. grandiflbra, S. pulverulenta, S. ameriedna, Va. to Pla. 

 S. officinale, shrub, yields Storax ; Levant. S. Benzoin, tree, yields 

 the re-sin Benzoin, used as incense in Catholic churches. Sumatra, 

 Borneo. Tribe 3. Corol. sub-polypetalous ; sta. oo, sometimes poly- 

 adelphous. Drupe 1-3-seeded. Only gen. Symplocos. Many spec, 

 evei'green trees or shrubs ; fls. fragrant, racemed or clustered ; trop. 

 Asia, Am. S. tinctbria, Sweetleae, 10°-20° high ; fls. yellow, clus- 

 tered; lvs. yield a yellow dye. Va. to Fla., La. 



Ord. 55. Cyrillaceae. — Pis. § , 4-5-merous, racemed ; anthers with 

 longitudinal or porous dehisc Ova. free, 2-4-celled. Perisperm 

 copious. Lvs. alt., entire, exstip. Shrubs (near Ericacese and Pitto- 

 sporaceae). 4 gen., 6 spec, N. and S. Am. 1. Purdiaea. Pis. 5- 

 merous, sta. 10. Handsome evergreen ; fls. pink, in drooping terminal 

 racemes. Anth. with apical porous dehiscence. Pr. a 4-celled, 4- 

 seeded nut. New Granada. 2. Cliftonia ligustrma (Mylocarium 

 ligustrinum), Ti-Ti, Buckwheat Tree. Pis. of 1. Evergreen, 6°-8° 

 high ; fls. white, fragrant, in terminal racemes. Drupe dry, 2-3- 

 winged, resembling Buckwheat. Swamps. 6a., Pla., S. Ala. 3. 

 Cyrilla racemiflbra. Fls. of 1 ; sta. 5. 12°-15° High. Lvs. decid. ; 

 fls. white, small, racemed. Boll fleshy, 2-valved. Swamps, N. C. to 

 Fla. 4. Elliottia racembsa. Fls. 4-merous, sta. 8. Boll 4-celled. 

 Lvs. decid. 4°-6° high. S. Ga. 



