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KEY TO SUB-CLASSES, ORDERS AND GENERA. 181 
CII—EUPHORBIACE Ai—cont. 
- (iv) Leaves alternate :— 
(1) Male calyx lobes valvate ; petals scale-like ; flowers in axillary clusters :— 
(A) Ovary 2-called ; fruit a drupe :— ae my «. dceccxi—Bridelia, 
(B) Ovary 3-celled; fruit a dehiscent capsule:— ... dcecexii—Cleistanthus. 
(2) Male sepals or calyx imbricate :— 
(A) Petals sac-like ; male disk 5-lobed — __... «» deccxiii—Actephila, 
(B) Petals O; male flowers in axillary (tarely terminal) spikes, racemes or 
panicles :— 
(a) Fruit globose, in bunches mostly from the old wood, seeds em- 
bedded in a fleshy aril:— ... oes ...  decexxvii—Baccaurea. 
(b) Fruit a capsule bursting irregularly, pericarp semetimes fleshy ; 
male flowers in catkins :— 2h wa ...  deccexxiv—Aporosa, 
(c) Fruit indehiscent, drapaceous ; flowers dioecious in spikes or 
racemes :— 
(a4) Petiole short (ander 1 inch) ; ovary 2—3-celled, raphe dorsal :— 
deccix—Sarcococca. 
(8) Petiole short (under 1 inch) ; ovary 1-celled, raphe ventral :— 
devexxvi—-Antidesma. 
(y) Petiole long (aver 1 inch) ; drupe 1-seeded :— 
deeexxy—Daphniphyllum. 
(C) Petals O; male flowers solitary or in fascicles or clusters :— 
(a) Style arms much dilated; frnit an indehiscent drupe; leaves 
often serrulate :— 
(a) Stamens 2—4, central ; drupe l-seeded :— ... deeexix—Putranjiva. 
(8) Stamens few or many, inserted around an orbicular disk :— 
(*) Ovary usually l-celled :— ... we ... dceccxx—Hemicyclia. 
(**) Ovary 2--4-celled:— ... ae .. deecxxi—Cyclostemon. 
(b) Styles and style-arms slender :— 
(a) Disk O in either sex ; stamens 3, filaments united into a col- 
umn :— 
(*) Anthers adnate to the whole length of the column :— 
decexvii—Breynia. 
(**) Anthers sessile on the angles of the short 3-gonous col- 
umn:—  ... ae ae ee ... dcccxvili—Sauropus. 
(8) Disk present in female, often also in male, flowers :--- 
(*) Filaments free around a large pistillode :— deccxvi—F lueggia. 
(**) Filaments free or united ; pistillode O or minute :— 
decexxiv—Phyllanthus, 
(c) Styles as a rule connate in a fleshy mass, conical, columnar, or 
spherical; disk O; anthers 8—8, adnate to a central col- 
umn :-— bee ay ee a0 ae ... dceexv—Glochidion, 
(III) Flowers not unitedin heads; or if in heads, then either males only 
(Hura) in dioecious piants, or (Dalechampia) twiners with membranous trilobed 
hairy leaves; each flower with a perianth; ovule 1 in each cell :-— 
(i) Leaves opposite ; flowers in terminalracemes ; calyx of male and female 
5-lobed ; petals of male and female 5, longer than the calyx; stamens many ; — 
ovary 3-celled ; juice blood-red :— __.., “Ac ee ne ... dceccexl—Baloghia. 
(ii) Leaves alternate :— 
(1) Petals present ; inflorescence terminal :— 
(A) Flowers in androgynous compound cymes :— 
(a) Leaves penninerved ; stamens 8 :— ie .. decexxsx—Tritaxis. 
{b) Leaves 3—7-costate :— 
(a) Sepals 5, imbricate ; stamens 8--12 :— ... decexvix—Jatropha. 
(8) Calyx-lobes 2- 3, valvate ; stamens 8-20 :— deccxxxiii—Aienrites. 
(y) Details not to hand ; allied to the last genus :— decexxxii--Joannesia. 
(B) Flowers in emai chars spikes or racemes ; stamens 10—30, fila- 
ments inflexed in bud :— _ af “si ... deceexxxivy—Oroton. 
(2) Petals present ; inflorescence as a rule axillary :— 
(A) Male sepals imbricate ; petals united ; fruit a drupe :— 
deccxxxv—Giyotia, 
(B) Male sepals imbricate ; petals free ; fruit capsular :— 
(a) Female sepals not enlarged in fruit ;— 
