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ILLINOIS NATURAL HISTORY SURVEY MANUAL 1 
KEY TO FAMILIES—CONT D 
Re ok eS FS none ees PURSLANE FAMILY p. 89 
ON Ry gee Baap ORPINE FAMILY in part p. 138 
Plants growing in water........ WATER LILY FAMILY p. 91 
Plants growing on land}. 02.5. «)... «is «;+. 25 36 
Stamens more than :12..:........<.... - = 4s 00 eae 37 
Stamens not more than 12. ................ 90s 41 
Sap milky or highly colored.........POPPY FAMILY p. 119 
PVE Pa FET a os noe 5 ose snlse on » won 38 
Stamens united into a column around the pistil.......... 
gat We Soo 8 ty Se MR Batre Op MALLOW FAMILY p. 193 
Not Hing pias o\usare'e ‘a w-n'e's 6 o's ¢ 6.055 bolle pinata Rea nan 39 
Pistils more than 1......CROWFOOT FAMILY in part p. 95 
|g 13k Se RPO eG 40 
SO: See ek een es ST. JOHN’S-WORT FAMILY pp. 199 
Petals more than 5....... BARBERRY FAMILY in part p. 115 
Flowers imperfect.......... SPURGE FAMILY in part p. 181 
Flowers perfect.:..:...,.........+ See be cae 42 
Corolla regular... 0.0.0.2... .. eis. <2 ee 43 
Corolla trreguiar.........:....+.05 ba BS, ee 47 
Reece. te OL Ce 2 FALSE MERMAID FAMILY p. 183 
Petals 4.00. 6k kas seinen $5 ee 44 
Petals 5:0 Ss A whet eee 45 
Petals more than 5....... BARBERRY FAMILY in part p. 115 
Stamens 6, 2 shorter than other4... MUSTARD FAMILY p. 124 
Stamens more Pan OH. 6s} fake Se | CAPER FAMILY p. 136 
Ovary opeds . oo ee. ae GERANIUM FAMILY p. 177 
Not thus....).... 00,03 2 ea 46 
Leaves opposite; ae swollen. ...PINK FAMILY pp. 82 
Leaves alternate or basal. .... WOOD SORREL FAMILY p.175 
Leaves with stipules : or eae ad lines. « . s.40'.s.escheee 48 
Not thus). suo oer os es ee 49 
Bedwas simagie | 000 Sky poe a vostes VIOLET FAMILY p. 200 
‘Leaves compound............ PULSE FAMILY in part p. 157 
Calyx spurred; flowers large >... 44....'.|). 2s. 3 
i) ag meh eRe Rl TOUCH-ME-NOT FAMILY p. i91 
Calyx not spurred; flowers small 
ae ales 6 6 8s oe eS go eee ee eee 
+ PRI te SES ABRN ES agp MILKWORT FAMILY pp. 180 
Style te ee Soe alte Sake a 51 
Cae i id erste ce os vw bs wecnsios av whi 9 ot ws ae a 52 
Calyx tube enclosing ovary and wholly free from it...... 
A eee Pe ee | pe Oe LOOSESTRIFE FAMILY p. 205 
Calyx tube attached to whole length of ovary............ 
HA PN, aR GN EVENING PRIMROSE FAMILY p. 208 
Flowers small in umbels......... PARSLEY FAMILY p. 214 
Flowers various, not in umbels... 2 2.....) 44 255 ou gee 
TOS ee ie oe SAXIFRAGE FAMILY in part p .139 
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