178 KEY TO SUB-CLASSES, ORDERS AND GENERA. 
XCVI—LAURACE Ai —cont, 
(1) Anthers all 2-celled, perfect stamens 9, with an inner row of 3 
staminodes :— 
(A) Perianth tube accrescent enclosing the fruit:—... declxxi—Cryptocarya. 
(B) Perianth tube persistent or accrescent, but only supporting the 
fruit at its base :— 
(a) Berry with the 6-cleft hardened perianth at its base :— 
declxxii—A pollonias. 
(b) Berry with the cup of the perianth, without its segments, at 
_ its base :— BCS a8 ae Ay ... declxxiv—Nectandra. 
(c) Perianth deciduous, pedicel not thickened in fruit :— 
dccelxxiii--Beilschmiedia,. 
(2) Anthers all 4-celled, perfect stamens 9, with an inner row of 
staminodes :— 
(A) Perianth in fruit persistent, both tube and segments; leaves 
alternate, penninerved :— 
(a) Perianth segments reflexed in fruit:— ... ..  dcclxxix—Machilus, 
(b) Perianth segments erect in fruit:— ee declxxxs—Pheebe, 
(B) Perianth tube wholly or partly persistent, segments usually 
deciduous ; but if segments persistent, then leaves opposite and 
8-costate from, or from near, the base:— ... declxxy--Cinnamomum, 
(C) Perianth entirely deciduous, but pedicel thickened in fruit :— 
(a) Perianth downy, pedicel in fruit large, pear-shaped:—dcclxxvi—Pérsea. 
(b) Perianth glabrous, pedicel in fruit swoilen, but comparatively 
smaller :— Bee ace ‘ so ... declxxi—Alseodapbne. 
(ii) Flowers dicecious, collected within an involucre of bracts ; anthers all 
opening inwards : — 
(1) Anthers 6--12 fertile, 4-celled :— 
(A) Fruit seated on the enlarged perianth tube :— 
(a) Flowers clustered, capitate or umbelled, within an involucre of 
densely imbricating bracts; leaves subverticillate or lower 
opposite and 8-costate ; perfect stamens 6—9 :— y 
dceclxxxii—A ctinodaphne, 
(b) Flowers umbelled 4—6 in an involucre of 4—6 bracts; leaves alter- 
nate penninerved, rarely opposite or 3-costate ; perfect stamens 
6, 9, 12, sometimes more :— me 30 .. declxxxiii—Litsea. 
(B) Fruit seated on the enlarged peduncle, perianth tube being decid- 
uous; flowers in short loose racemes in an involucre of small 
narrow bracts; leaves alternate penninerved, sometimes 3-lobed ; 
stamens 9, fertile:—__... Bee ean ... declxxvii—Sassafras. 
(2) Anthers 12 fertile, %-celled; fruit surrounded by the persistent 
perianth with its segments; flowers in umbels of 4—6 in an involucre 
of 4—6 bracts ; leaves alternately penninerved:—,, dcclxxviii—Laurus. 
(Il) Parasitic twiners ; leafless ; inflorescence compact in glomerules ; anthers 
of outermost row opening inwards, of third row opening outwards, by valves, 
all y-celled :— ah ae ie Gad eae eee ... declxxxiv—Cassytha. 
(III) Trees ; flowers moneecious in threes, with the centre flower female and 
2 lateral males, all involucred in 4—5 bracts at the ends of the branches of a 
panicle ; leaves peltate,3--7 costate, alternate ; stamens as many as, and opposite, 
the outer perianth segments which are 3—6in 2 series, anthers. opening 
laterally:— ... ae $5¢ 35 ee pe ... declxxxv—Hernandia. 
{ Botanical note.—Brandis places Hernandia, with Gyrocarpus, in a separate order, 
as follows :—] 
HERNANDIACEA—- 
(1) Leaves alternate, exstipulate ; flowers bisexual or moncecious; ovary in- 
ferior, ovule 1 pendulous ; perianth of 4—10 segments; stamens 3——9, anther 
cells 2, opening by valves laterally ; fruit often winged, seed exalbuminous :— 
(i) Leaves peltate ; fruit ovoid, not winged:— _ ... .. declxxxv—Herrandia, 
(ii) Leaves broadly ovate, often lobed; fruit with 2 long wings at the 
apex i— aq vies sa es re vs ..  edviii—Gyrocarpus, 
are 
