Ps Water peter <. 
WilanuwaX 4 ths 14 COMPLE: peontewr ‘“ Sia yteitny 
“4 / ER aff Y i 
zt) CA @ect Cet 
Bulletin MEY i Mia Mew We 49 ; 
Key to the Plants of Lernalillo 
County, New Mexico 
KEY TO THE ORDERS. 
CLASS I—ANGIOSPERMS: Plants in which the 
ovules are contained in a closed ovary. 
(Class IT on P. XI.) 
SUB-CLASS I—DICOTYLEDOUS: Plants whose 
seeds have two cotyledons, whose fibro-vascular bun- 
dles formi a ring in the stem, whose leaves are net- 
veined, and he parts of the ‘Aowers are usually in 
fours or fives or multiples thereof. 
(Sub-class on P. XI.) 
DIVISION I—GAMOPETOLAE: Those plants 
having both calyx and corolla, the latter with petals 
more or less united. 
} (Division II on P.V.) 
A, STAMENS AS MANY AS THE LOBES OF THE COROLLA 
AND ALTERNATE WITH THEM, JR FEWER. (B. on P. V.) 
1. Ovary Inferior. 
' Stamens united by their anthers into a ring or tube; 
Flowers in a head, fruit an achene; 
ti : - - (1) Composrrag, P. 1. 
Flowers separate, fruit a pepo; 
: : - - (3) CucurpitacEearE P. 23. 
Stamens separate, free from the corolla or nearly so; 
- - - - (2) CampanuLaceaE P 23 
Stamens separate, inserted on the corolla. 
1-3, Always fewer than the lobes of the corolla: 
- - - : - (4) VauerranesarE P. 24. 
4-5, Leaves whorled or opposite. 
Leaves opposite and with stipules or whorled; 
4 ‘ - - . (6) Rustacear P. 24. 
Leaves opposite and without stipules; 
- - - . (5) CapriroLiacEaE P. 24. 
(2) Ovary superior (i. e., free from the calyx.) 
*Corolla regular. 
* Stamens as many as the lobes of the corolla. 
Ovaries 2 and separate. 
Filaments distinct, pollen as usual; 
3 - - - (20) ApocynaceasE P. 43. 
Ill 




