18 



A SYNOPSIS OF THE VEGETABLE KINGDOM. 



the locules ; plant 



erect 



E. Sepals valviite: pet- 

 als 3-4. G KOELREUTERIA. 



EE. Sepals imbricate : 



petals 4-5 7. Uxgnadia. 



AA. Fls. regular or nearly so. 

 B. Lvs. rarely opposite : sta- 

 mens inserted at the 

 base of the ovary inside 

 the disc unilateral. . . . 

 c. Ovules - or more in the 



locules 



D. Disc produced into 5 

 horns : fr. a cap- 

 sule S. Xanthoceras. 



DD. Disc 4-') lobed : fr. a 



drupe 9. Melicocca. 



<This genus repeated below.) 

 cc. Ovules .solitary in the 

 locules (sometimes 

 solitar.v in Melicocca 

 which is accounted 

 for above and also 



below.) 



D. Ii'r. capsular, dehis- 

 cent 10. Cupania. 



DD. Fr. indehiscent, not 

 deeply lobed or di- 

 vided into nutlets 



or cocci 0. Melicocca. 



DDD. Fr. indehiscent, deep- 

 ly lobed or divided 

 into 1-S indehis- 

 cent cocci 



E. Calyx ot sepals 

 broadly imbricated 

 in 2 series ; the 2 

 outer sepals small- 

 er 11. SAriXDD.S. 



EE. Calyx 4-5 toothed or 

 4-5- parted, the 

 lobes slightly im- 

 bricate or suhval- 



vate 



F. Petals or vari- 

 ous : calyx small, 



cup-shaped 12. Nepheliu.m. 



FP. Tetals : calyx 

 subspherical 5- 



toothed 13. Stad.ma.nia. 



BB. Lvs. opposite : stamens 

 variously inserted (in- 

 side or outside) on the 

 disc if that is com- 

 plete : seeds not albu- 

 minous : (Compare liRB. 

 c. Petals : disc obsolete : 

 lvs. pinnately 3-5-fol- 



iolate 14. Acer Negundo. 



(Often considered a separate genus. ) 



cc Petals 0. or 4-5 : disc 

 annular : lvs. not 



compound 15. Acer (Except A. 



Negundo. 

 EBB. Lvs. alternate, rarely sub- 

 opposite ; stamens in- 

 serted at the base of 

 the disc outside or in 

 the sinuses of the disc, 

 c. Petals : disc of male 



fls. 10. DODONyEA. 



cc. Petals 4 : disc annular.17. Pt.eroxvlon. 

 BBBB. Leaves opposite : seeds al- 

 b'minate : stamens in- 

 serted at base of disc 



outside 



c. Ovary 2-3-parted at 



base 



D. Capsule vesiculose. . . IS. Staphvlea. 

 DD. Folicules coriacious. . 1!). Euscaphis. 

 cc. Ovary 3-lobed 20. Turpinia. 



48. anacardiace.t:. 



A. Lvs. simple 



n. Stamens 5 : styles 3 1. Semecarpus. 



BB. Stamens 8-10 (all or 

 some fertile) : style ec- 

 centric : stigma a mere 

 dot 2. Anacardidm. 



BBB. Stamens 1-5: stvlp later- 

 al, curved; s t i g ma 



simple 3. Mangifera. 



AA. Lvs. pinnate or composed of 



3 If ts 



B. Ovary 1 -eel led 



c. Ovules suspended at or 

 near the apex of the 



locule 



d. Styles in the pistil- 

 late fls. short, in 

 the staminate fls. 



4-5 4. Tapiria. 



.'). Cyrtocarpa. 



DD. Styles 3 (!. Scuinus. 



cc. Ovules suspended by a 

 basilar funiculus. . .. 



D. Petals 7. PiSTACiA. 



DD. I'etals 4-6 



E. stamens in a single 

 whorl : petals im- 

 bi'icate in estiva- 

 tion S. Rhus. 



ee. Stamens in 2 

 whorls, the outer 

 alternate with the 

 petals : petals val- 

 vate in sestiva- 



tion. !). LiTHR.EA. 



BB. Ovary 3-5-celled 10. Spondias. 



(Described under Tropical Fruits.) 



49. coriariace.t;. 



Genus unique. 1. Coriaria. 



50. M0UIN'GACE.12. 

 Genus unique 1. Morixga. 



51. droseuace.t;. 



A. stamens 4-S : styles 2-5 : 



placentie parietal I. Drosera. 



AA. Stamens about 15 ; style 



columnar : placent-Te basal. 2. Dion.^a. 



52. leguminos.t:. 



Summary of Scborders and Tribes. Ignoring ex- 

 ceptions and tribes of which uo examples are 

 known to be cultivated in America. 



A. Fls. regular, small : calyx 

 gamosepalous or valvate- 

 ly parted : petals valvate, 

 often connate, below the 

 middle 



SUBORDER I.— MIMOSE.i;. 



B. Stamens numerous, indefi- 



finite 



c. The stamens free 1. Acacia Tribe. 



cc. The stamens monadel- 



phous 2. IxGA Tribe. 



BB. Stamens fewer, definite... 

 c. Anthers usually appen- 

 daged with a stalked 

 gland : stamens twice 

 as many as the pet- 

 als, rarely as many, 

 fls. generall.v 5-mer- 



ous 3. Adexaxthera 



Tribe. 

 cc. Anthers not glandular : 

 stamens as many as 

 the petals, rarely 

 twice as many : fls. 

 4-5-merous, rarely 3 



or 0-merous, 4. Mimosa Tribe. 



aa. Fls. irregular and truly 

 papilionaceous, i. e. like 

 a sweet pea. the standard 

 outside of the other pet- 

 als and inclosing them in 

 the bud : sepals more or 

 less united above the 

 tJisc into a tul>e or cup : 

 radicles inflexed, accum- 

 bent or rarely very short 

 ana straight. (Compare 

 AAA. ) 



