66 
CLASS XX. ORDER II. 
Carpi'nus. Staminate flowers: ament long-cylindric; scales ciliate at the 
base ; stamens 8 to 14, somewhat bearded at the top. Pistillate flowers: strobi- 
lum 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; corolla funnel- 
form; stamens 10, alternately shorter. Pistillate flowers: calyx 0; corolla 5- 
petalled, spreading; style 3-cleft; capsule 3-ceiled, seed 1. (physic-nut.) S. 
Crouton. 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: involucre hemispherical, many-flowered, or 
wanting; perianth tubular, eroded ; stamens 2 or 3, exsert. Pistillate flowers: 
calyx 1-flowered, inferior ; style 3-cleft; capsule 3-grained, (tallow-tree.) #8. 
Mkloth^ria. Staminate flowers: calyx 1-flowered, 3 to 5-toothed; Corolla 
bell-form ; filaments 3. Pistillate flowers : calyx and corolla superior ; style 1; 
stigmas 3 ; berry 3-celled, many-seeded, (creeping cucumber.) 
Momor^dica. Staminate flowers: calyx 5 or 6-cleft; corolla 5 or 6 parted; 
filaments 3. Pistillate flowers: style 3-cleft; berry gourd-like, and bursting 
elastically ; seeds compressed, (balsam apple, wild cucumber.) 
Cl t/ cumis. Staminate flowers : calyx 5-toothed; corolla 5-parted; filaments 3. 
Pistillate flowers: calyx and coroila like the staminate; stigmas 3, thick, 2- 
parted; berry with pointed seeds, (cucumber, muskmelon ) Ex. 
Cucur^bita. Staminate flowers: calyx 5-toothed; corolla 5-cleft; filaments 
3. Pistillate flowers: calyx and corolla like the staminate; pistil 3-cleft; berry 
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 
flowers: calyx 3-parted ; styles 3, 2-cleft; capsules echinate, 3-celled, 3-seeded. 
(palma christi, or castor-oil plant.) Ex. 
Sdcvos. Staminate flowers : ament imbricate ; calyx 5-toothed, teeth subulate ; 
corolla 5-parted; filaments 3, or perhaps 5 in 3 sets. Pistillate flowers ; style 3- 
parted ; stigmas thick, 3-parted; fruit 1-seeded, often spinose. (single-seed cu¬ 
cumber.) 
Pi'nus. Staminate flowers: calyx 4-leaved, peltate ; corolla 0; stamens many ; 
anthers naked, 2, sessile ; 1-celled. Pistillate flowers: calyx in strobilums or 
cones, scales close imbricate, 2-flowered; pistil 1 ; nut with a membranaceous 
wing, or a samara, (pine.) 
Cupres^sus. Staminate flowers: ament ovate, imbricate; calyx a peltate 
scale; corolla 0; anthers 4, sessile. Pistillate flowers: ament strobilaceous; 
calyx a 1-flowered, peltate scale ; corolla 0; germs 4 to 8, under each scale of 
the calyx ; nuts angular, compressed, (white cedar.) 
Thu^ia. Staminate flowers: ament imbricate; calyx and corolla 0; anthers 
4, sessile. Pistillate flowers: strobilum with the scales 2-flowered; corolla 0; 
nut 1, winged, (arbor vitse ) 
Phyllan // thus. Staminate flowers: calyx 5 or G-parted; filaments often 
columnar ; anthers 3. Pistillate flower resembling the staminate ; nectary a 12- 
angled margin ; styles 3 ; capsules mostly 3-grained, (leaf flower ) 
Acai/y'pha. Staminate flower : calyx 3 to 4-parted ; corolla 0 ; stamens 8-16. 
Pistillate flower: calyx 3-leaved ; corolla 0; styles 3; capsule 3-celled. (three 
seed mercury.) 
CLASS XX. DICECIA. 
ORDER II. DIANDRIA. 
Sa'lix. Staminate flowers: ament cylindric ; calyx a 1-flowered scale, with 
a nectariferous gland at the base ; stamens 1 to 6. Pistillate flowers : ament and 
calyx like the staminate; stigmas 2; generally 2-cleft; capsule 1-celled, 2- 
valved; seeds many, with egret-like down, (willow.) 
Frax^inus. Polygamous. Perfect flowers ; calyx 0, or 3 or 4-parted ; corolla 
0, or 4-petal led ; pistil 1 ; samara 1-seeded, with a lanceolate wing. Pistillate 
flowers: calyx, corolla, and pistils same as perfect, (ash.) 
Vallisne'ria. Staminate flowers : spatha ovate, 2-parted ; spadix covered with 
minute flowers; calyx 3-parted. Pistillate flowers: spatha 2-clelt, 1-flowered; 
