140 KEY TO SUB-CLASSES, ORDERS AND GENERA. 
XXVII--SIMARUBEACE Ai--cont. 
(i) Leaves long, elliptic-oblong, coriaceous, shining ; fruit of 1—5 large, 
compressed, dry, coriaceous, keeled, l-seeded drupes ; flowers 2-sexual, orange, 
umbelled :— , ... clxii—Samadera, 
(ii) Leaves very short, ‘linear- -sp ithulate, velvetty ; fruit of 1—4 indehiscent 
carpels covered by the persistent calyx ; flowers 2- Sexual, yellow, racemed :— 
clxy—Suriana. 
XX VITI—OCHNACE #-- 
(1) Leaves simple serrate ; flowers yellow or orange in umbels or panicles ; 
fruit 3—10 drnpes sessile upon a larye disk :— 
(i) Stamens many :— ,,. see os oe Se a «- clxvii—Ochna. 
(il) Stamens 10 :— an mas an 43 Bae clxviii—Gomphia. 
XXIX —BU RSERACE Ai— 
[Anatomical featwres.—Resin canals in the bast (phlem), in some species also in the 
pith. ] 
i‘ Botantcal Note.—Bolsamodendron includes Protiwm in accordance with Thwaites; 
Engler unites the two genera under the name Commiphora. Filicium is transferred 
by Brandis, following Radlkofer, to Order XXX VIII—SapinpAckE ; its position there 
has been shown in the key. | 
(1) Balsamic; rachis of leaves not winged:— ... be ... Clxix—Boswellia, 
(i) Fruit a dehiscent capsule, 3-valved :- - 
(ii) Fruit an indehiscent drupe :— 
(1) Calyx 4—6-toothed or lobed; drupe globose :—— 
(A) Calyx campanulate 10-ribbed, 5-cleft, lined by thin crenate disk :— 
clxxi—Garuga, 
(B) Calyx 4—6-toothed, disk lining its base:— ..._ elxxi—Balsamodendron. 
(C) Calyx 4—6-lobed, disk annular:— ... fee clxii—Bursera. 
(2) Calyx 3-fid, yalvate ; drupe usually trigonous:- — ... ¢elxxiii—Canarioum, 
(II) Non-balsamic ; rachis of leayes winged between the leaflets :— 
clxxiv—Filicium, 
XXX—MELIACEA— 
{Botanical Note,—Engler and others place Chloroxylon in Order KXVI— 
Ruracre# chiefly on account of the translucent essential oil glands in the leaves.] 
(1) Ovules 1—2in each cell; seeds not winged : — 
(i) Staminal tube half the length of the stamens or less, or stamens free :— 
(1) Leaflets always entire :— 
(A) Leaves imparipinnate with usually 9 (5—11) leafiets; panicles 
axillary, corymbose, long-pedunculate; staminal tube half 
the length of stamens ; fruit a 2-valved capsule :— clxxxvii—Heynea, 
(B) Leaves imparipinnate, 3-or 1-foliate; panicles terminal or 
axillary ; stamens free or connate; fruit a tomentose berry:— 
clxxxvi— Walsura, 
(2) Leaflets mostly serrate; stamens connate only at bare; frnit a 
small, red, drupe :— tee - as clxxx—Cipadessa. 
‘Gi) Staminal tube ‘complete, inflated above ; ‘leaves digitately 3-foliate, 
leaflets entire or lobea ; flowers large, solitary, axillary ; ; small shrub :— 
clxxvi—Naregamia. 
(iii) Staminal tube complete, oblong or linear :— 
(1) Leaves simple :— oes ee “6 ees +: ... ¢lxxv—Turrea. 
(2) Leaves 3-foliate oi as oe ...  clxxxii—Sandoricum. 
(3) Leaves pinnate, leaflets entire : — xt ae clxxxi—Dysoxylum, 
(4) Leaves pinnate, leaflets mostly serrate :— 
(A) Flowers 1—1} inch, petals cohering half way ; disk tubular :— 
clxxvii—Munronia. 
(B) Flowers 4 inch, petals free ; disk inconspicuous :— 
clxxviii—Azadirachta. 
(5) Leaves bi- (or tri-) pinnate :— see ae “Ee ... Clxxix—Melia, 
(iv) Staminal tube complete, globose :— 
(1) Flowers polygamous :— 
(A) Fetals 5; anthers 5; fruit a dry indehiscent berry :— clxxxiii-——Aglaia. 
(B) Petals 5; anthers 10; fruit a fleshy berry:--  ... clxxxiv-—Lansium. 
