ANALYTICAL KEY. lxxi 
Hh opeetes 5-lobed. Stamens 5. Capsule 1-celled, several- 
Calyx 6-toothed, Stamens 6. Capsule 2-celled PEPLIS p. (156), 
seeded +, F : : , . GLAUX (p. 292), 
Pai of 4 or 5 “sepals. Stamens 4 or 5. Capsule 1-celled 
several-seeded. “a ; . CARYOPHYLLACEZ (p. 58). 
Flowers glumaceous, consisting of chaffy scales alternating 
j with each other, enclosing the stamens. Leaves linear. 
117 Stamens 2 or 3 : . 165 
Perianth pee liga projecting on one side into a lip. Sta- 
| mens6 . ; . ; . ARISTOLOCHIACEZ (p. 389). 
Perianth 4-, 5-, or 6- merous. Stamens 4 Ds OT. Bin we 3 . 118 
118 { Two or more ovaries . ‘ ; ; j . ROSACEA (p. 127). 
A single ovary . : peeko 
; G9) orient of 4 or 5 parts or teeth. Stamens usually A ord 14 T2Re 
Perianth of 6 divisions. Stamens 6. ; : ; 124 
120 Ovary inferior . § : : : : . THESTUM (p. 389). 
Ovary superior . cy ; ; Zk 
121 f Seeds several in the capsule ; : A PL ANTAGO (p. 366). 
Seeds solitary . i l2Z 
Stipules leafy. Leaves broadly lobed or divided ROSACEE (p. 197). 
122- Stipules membranous, sheathing the stem POLYGONACEA (p. 379). 
Stipules minute or none . : : ; 123 
j93f/ Stamens 4 . - : | PARIETARTIA (p. 400). 
Stamens 5. : : : : . CHENOPODIACE (p. 370). 
Stem leafy. Stipules sheathing. Nut enclosed in three of 
244 the perianth-lobes . , .  RUMEX (p. 379). 
fe linear, mostly radical. ‘Capsule with 3 or more seeds 161 
Stamens and pistils in distinct globular or ——— masses 
without separate perianths . é . 166 
1254 Stamens about 12, with one pistil ina calyx- like involucre. 
HUPHORBIA (p. 391). 
Flowers, male or female, each with a distinct perianth . . 126 
Stems long and climbing : She 
Stems parasitical on trees with hard oreen forked ‘branches. 
VISCUM (p. 204). 
Stems terrestrial or aquatic, but neither climbing nor floating 129 
{ Leaves opposite. Capsules in a head concealed by leafy bracts 
127 HUMULUS (p. 400), 
| Leaves alternate. Berries red. . 128 
al Leaves angular orlobed. Stem climbing by tendrils. Perianth 
5-lobed . : ‘ ; BRYONIA (p. 157). 
Leaves entire, shining. "Stem twining, without tendrils. 
3 Perianth 6-lobed . ‘ .  TAMUS (p. 455). 
f{ Male and female flowers on the same plant : : ~ 136 
129 \ Male and female flowers on different plants . ; 139 
Flowers glumaceous, consisting of chaffy scales. enclosing 
sage the stamens . 165 
Flowers of both sorts, or at least the males, with a distinet 
[ perianth of 3, 4, or more divisions ae! : : ; isk 
131 ae perianth of 3to 5 divisions . ; : : : ~- lene 
Male perianth of 6 divisions . : : . 138 
139 / Stamens as many as the divisions of the perianth d : . 133 
\ Stamens indefinite . : ; : : ‘ ‘ : . 137 
