370 
CLASS XX. ORDER II. 
Pr.AiA'Nis, Ament globose. Staminate 
flowers : corolla, uone, or scarcely apparent; 
anthers growing around the lilanients. Pis- 
tillate ilowerri : calyx many-leaved ; style 
with a recurved stigma ; seed roundish, 
crowned with the mucrouate style, with 
egret-like hairs at the base, (button-wood, 
false sycamore.) 
Ju'glans. Staminate flowers : ament im- 
bricate ; calyx a scale, generally 5-pai-ted ; 
3orolla 4 or 5-parted ; stamens 18 to 36. Pis- 
tillate flowers : calyx 4-cleft, superior ; co- 
rolla 4-cleft or 4 parted ; styles 1 or 2 ; drupe 
partly spongy ; nut rugose and iiregularly 
ftiiTOwed, (butternut, black-walnut.) 
Car'ta. Staminate flowers : ament im- 
bricate ; calyx of 3 parted scales ; corolla 0 ; 
stamens 4 to 6. Pistillate flowers : calyx 4- 
cleft, superior ; corolla 0 ; styles 0 ; stigma 
disk-like, 4-lobed ; pericarp 4-valved ; nut 
sub quadrangular, even, (hickoi-y, walnut.) 
LniLUDAM"BER. Staminate flowers: 
anient conical, suiTounded by a 4-leaved in- 
volucre; perianth none. Pi.stillate flowers: 
anient globose ; perianth 1 -leafed, urceolate, 
2- flowered ; styles 2; cap.sules 2, 1 celled, 
many-seeded, (.sweet gum-tree.) S. 
Os^'trya. Staminate flowers : ament cyl- 
indrical ; scales 1 flowered ; perianth 0 ; fll- 
aments branched. Pistillate flowers : ament 
naked ; capsule inflated, imbricate, (iron 
wood, hop, horn-beam.) 
Carpi'nus. Staminate flowers: ament 
long-cylindric ; scales ciliate at the ba.se ; 
stamens 8 to 14, somewhat bearded at the 
top. Pistillate flowers : strobilum loose ; 
scales leafy, 2-flowered ; stigmas 2 ; nut 
long, sulcate, 1-seeded. (horn-beam.) 
ORDER XV. MONADELPHIA. 
Jatro'pha. Staminate flowers : calyx 5- 
leaved or wanting ; coroUa funnel-form ; 
stamens 10, alternately shorter. Pistillate 
flowers : calyx 0 ; corolla 5-petalled, spread- 
ing ; style 3-cleft ; capsule 3-celled, seed 1. 
(physic-nut.) S. 
Cro'ton. Staminate flowers : calyx 5- 
toothed ; petals 5 or wanting ; stamens 10 
to 15. Pistillate flowers : calyx 5-leaved or 
none; corolla none ; styles 2-cleft; capsule 
3- grained, 3-celled, 3 seeded. S. 
Stillin"gia. Staminate flowers : invo- 
lucre hemispherical, many-flowered or want- 
ing ; periantii tubular, eroded ; stamens 2 or 
3, ex.sert. Pistillate flowers : calyx 1 -flow- 
ered, inferior ; style 3 cleft ; capsule 3-gi-ain- 
ed. (tallow-tree.) S. 
Melo'thria, Staminate flowers : calyx 
l-flowered, 3 to 5-toothed ; corofla bell-form; 
filaments 3. Pistillate flowers : calyx and 
corolla superior ; style 1 ; stigmas 3 ; beiTy 
3-celled, many-seeded, (creeping cucum- 
ber.) 
MoMOR^DicA. Staminate flowers : calyx 
5 or 6-cleft ; corolla 5 or 6-parted ; filaments 
3. Pistiflate flowers: style 3 cleft ; berry 
gourd-like, and bursting elastically; seeds 
"ompressed. (balsam apple, wild cucum- 
oer.) 
Cu'cuMis. Staminate flowers: calyx 5- 
toothed ; corolla 5-parted ; filaments 3. Pis- 
tillate flowers : calyx and corolla like the 
staminate ; stigmas 3, thick, 2-parted ; berry 
with pointed seeds, (cucumber, musk-mel 
on.) Ex. 
CucuR^BiTA. Staminate flowers : calyx 
5-toothed ; corolla 5-cleft ; filaments 3. Pis- 
tillate flowers : calyx and corolla like the 
staminate ; pistil 3-cleft ; beiry large, 3 to 
5 celled ; seeds thickened at the margin 
(gourd, squash, pumpkin, water-melon.) Ex 
Rici'nus. Staminate flowers: calyx 5 
parted ; stamens numerous. Pistillate flow- 
ers : calyx 3-parted ; styles 3, 2-cleft ; cap- 
sules echinate, 3-celled. 3-seeded. (palma 
chrLsti, or castor-oil plant.) Ex. 
Sic'^YOS. Staminate flowers : anient im- 
bricate; calyx 5-toothed, teeth subulate, 
corolla 5-parted ; filaments 3, or perhaps 5 
in 3 sets. Pistillate flowers: style 3-parted; 
stigmas thick, 3 pfirted ; fruit 1-seeded, often 
spinose. (single-seed cucumber.) 
Pi'nus. Staminate flowers : calyx 4-leav- 
ed, peltate ; corofla 0 ; stamens many ; an- 
thers naked, 2, sessile, 1- celled. PistiUata 
flowers : calyx in strobilums or cones ; 
scales close-imbricate, 2-flowered ; pistil 1 ; 
nut with a membranaceous wing, or a sa- 
mara, (pine.) 
CuPREs''sus. Staminate flowers : ament 
ovate, imbricate ; calyx a peltate scale ; co- 
rolla 0; anthers 4, sessile. Pistillate flow- 
ers : ament strobflaceous ; calyx a 1 flow 
ered, peltate scale ; corolla 0 ; germs 4 to 8, 
under each scale of the calyx ; nuts angu- 
lar, compressed, (white cedar.) 
Thu'ja. Staminate flowers : ament im- 
bricate ; calyx and corolla 0 ; anthers 4, ses- 
sile. Pistillate flowers : strobilum with the 
scales 2-flowered ; coroUa 0 ; nut 1, winged, 
(arbor vitse.) 
Phyllan^'thus. Staminate flowers : ca- 
lyx 5 or 6-parted ; filaments often columnar ; 
anthers 3. PistUlate flower resembling the 
staminate ; nectaiy a 12-angled margin ; 
styles 3 ; capsules mostly 3-grained. (leaf- 
flower.) 
Acaly'pha. Staminate flower : calyx 3 
to 4-parted; corolla 0; stamens 8-16. Pis- 
tillate flower : calyx 3-leaved ; corolla 0 ; 
styles 3 ; capsule 3-celled. (three-seed mer 
cury.) 
• CLASS XX. DICE CIA. 
ORDER H. DIANDRIA. 
Sa'lix. Staminate flowers : ament cylin 
dric ; calyx a l-flowered scale, with a nec 
tariferous gland at the base ; stamens 1 to 6 
Pistillate flowers : ament and calyx like th« 
staminate ; stigmas 2, generally 2-cleft , cap 
sule 1 -celled, 2-valved ; seeds many, with 
egret-like down, (willow.) 
Frax"inus. Polygamous. Perfect flow 
ers : calyx 0, or 3 or 4-parted ; corolla 0, oi 
4-petalled ; pistil 1 ; samara 1-seedcd, with 
a lanceolate wing. Pistillate flowers : ca 
! lyx, corolla, and pistils, same as perfect 
I (ash.) 
I Vallisne'ria. Staminate flowers : spa- 
! tha ovate, 2-parted ; spadix covered with 
[ minute flowers ; calyx 3-pai-ted Pistilkta 
