2G Anthers opening by terminal 
Zopores 
2 @Prostrate creeping plants 
with leaves 4-8 mm. long; 
gad Overy anterior; truit a ; a 
perry Oxycoccus (ee 
28 arect or ascending plants 
with larger leaves, 
wanting or scale-like; 
32 overy suverior; fruit a ed 
apsule y Pyrolaceae (p. ~ 
2RG@Anthers opening by longitud- 
Boinal slits 
28 Shrubs; ovary inferior; 
32fruit a berry Grossulariaceaet 
28 Heres; ovary mostly super- 
32 ior; fruit 2 capsule 
30 Capsule globose, incom- 
pletely 10-chamberedy q 
splitting into 10 valves; 
3 petals blue; leaves linear, 
4 \ evenly distributed along 
\the stems, Linaceae a 
30 Plants not as described, 
etals white, pink or 
violaceous, sometimes 
sreenish; leaves not 
linear, mostly basal; 
capsule 2-3-valved (rare- 
Ly 5) 
32 Margins and upper sur- 
faces of leaves fringed 
36 ~¢ with red glandular ee / 
\bristles 2-5 mm. longy  Droseraceae (p.5 
34 
Leaves sometimes slandu- ; 
lar cut not as described Sexifreracene(p J 
2, 4b. Petals united at least at the base, most often 
forming a bell-shaped or cylindrical tube which is 
b varicusly lobed at the avex; the corolla thus dese 
cribed is ceciduocus as 2 whole, usually beerins with 
it t..8 stamens i 
4 ila.Stamens more numerous tien tne lobes of the i 
f corolloy 
™ a. i . 7+ { 
wp Stamens 10 or less } 
d 
Plants without chlorophyll, flesh-colored, | 
/2 scaly, stamens 106; corolla clobose Pterospora (pq 
