64 -i 



XXVI KEY TO FAMILIES AND ABNORMAL GENERA. 



Anther one only, large ; style passing between its lobes : 



ovary inferior p. 407. ziNGiEERACEiE. 



, I Slender twining plant with ovate peltate leaves : fruits 

 I crescent-shaped . . . . p. \i. MENisPERMACEiE. 

 I Stamens three, six, nine or twelve. Trees, shrubs and 

 [ herbs 63 



I Anthers opening by lateral holes, covered by flaps : stamens 



63 \ six to twelve 64 



[ Anthers opening by slits : stamens three to six. . . 65 

 Flowers in open racemes : fruit juicy : all stamens 



fertile . /. 13. berberidace^. 



Flowers clustered inside an involucre of bracts : fruit 

 hard : some stamens sterile . . . p. 345. laurine^. 

 r Flowers in cymes or solitary : fruit J^ inch drupe or 

 I splitting into one-seeded parts : leaves pinnately 



65 <[ veined /. 359. euphorbiace.e. 



Fruit a capsule, herbs : leaves absent or veined from the 

 base 66 



Monocotyledons with three to six stamens, 



^, J Ovary inferior. 



\Ovary superior 67 



Stem and branches green, needle-like and thorny: 



flowers white : fruit J^ inch berry . p. 414. asparagus. 



Green stem and narrow roundish leaves almost indistin- 



- J guishable : flowers scarious : fruit dry 



^ p. 423. juncace^. 



Flowers in a small cone on a leafless stem : basal leaves 



narrow, ribbed : petals three, bright yellow .p. 417. xyris. 



Leafy herbs 68 



Petals three, connected at the base, distinct from the 

 ,gj sepals : usually blue .... /. 418. commelinace^. 

 I Petals and sepals usually both white, never blue . . . 



\ p. 413. LILIACE^. 



Small often leafless marsh plant : perianth surrounding the 

 ovary with three twisted wings . . p. 379. burmannia. 



, \ Leaves narrow : flowers solitary or umbelled, in the axil of 

 I a spathe on a leafless stem . p. 410. amaryllidace/e. 

 [Leaves narrow: flowers racemed. . /. 41G. ophiopogon. 

 ' Stems triangular : sheathing base of leaf not split . . . 



1 /. 433. CYPERACE^. 



' \ Stem roundish : sheath split, a flap or line of hairs at 

 [ junction between sheath and blade . /. 444. gramine^e. 



