80 ARTIFICIAL KEY ‘lO FAMILIES 
442. Styles 3. 1. ww ew eS CP OUEMONTACHAR SP eee 
Lcr-OO Sh CC Si. SMe meee a tN eh PS 
143. Calyx deeply cleft . . . . . . Hypropnynnacrar, Pg. 507 
143. Calyx not deeply cleft . . . . . . . SOLANACEAE. Pg. 545 
144, Aquatic plants with dissected leaves, (95) 
(OEY BAS ° ames eo hr 1 LENTIBULARIACEAE. Pg. 571 
aaa- Lerrestrial plants... 2. §.- « .) « 5 & «6 |o90) Gn 
145. Ovary of 4 cells, a single ovule in each cell. . . . . . 146 
fas. Ovary of 1 or 2'cells’s «12 not 4) 3o oS 3 
146. Ovary not lobed . . . « « « «© « «» VERBENACHEAR, Pe one 
146. Ovary 4-lobed. (94) 2. « «1 5 «© « « 5 DABIATARS (Eee 
147. Ovary l-celled, l-seeded . . . PU rer wo es. 1S 
147. Ovary 2-celled, 2-seeded in each cell. (96) ACANTHACEAE. Pg. 576 
147. Ovary 2-celled, many seeded . . . . SCROFULARIACEAE. Pg. 550 
148. Leaves all at the base. . . . . « /PLANTAGINACEAE. Pg. 579 
148. Leaves on the stem. (97) . . . . .« DPHRYMACEAE. Pg. 578 
149. Flowers in heads subtended by an involucre . . . . . 153 
149. Flowers not in heads subtended by an involuere . . . . 150 
150. Ovary I-seeded . . . +. « « VALERIANACEAE, Pg. 598 
150. Ovary with more than 1 seed ot UCAS chs = | See 
150. Ovary forming a drupe of several hard nutlets, 
oy te . CAPRIFOLIACEAE. Pg. 592 
151. Ovary with very numerous small seeds CAMPANULACEAE. Pg. 605 
Abie Ovary. with few, (1° ito) 5) "seeds. ue ete leanne ret tanner 
152. Leaves with stipules . . . . . . +. +. RUBIACEAE. Pg. 580 
152. Leaves without stipules. . . . . . CAPRIFOLIACEAE, Pg. 590 
153. Flowers all expanded into rays. (98) . CrcHoRIACEAE. Pg. 610 
fog. «Plowers not. all rays .) 3 fo) sews) Lee eee 
Pbk OES 
154. Stamens distinct .. . ae, 
154. Stamens united into a tube ‘around the style. (100) 
aie iba el el! ee ne ComposiTAE. Pg. 629 
155. Stamens 2 to4. . ... « « « « « DIPSACACEAE. Pg. 602 
155. Stamens 5. (99) . . . . . . « .~. -AMBROSIACEAE. Pg. 628 
