18 KEY TO NATURAL ORDERS. 
2. Corolla nearly or quite regular. 
Stamens as many as the petals and opposite them. 
Pistil and style 1 (the latter sometimes cleft at 
the summit). 
Anthers opening by pion valves. BERBERIDACES, 
Anthers opening endtiwis 
Woody vines. Calyx minuto ; ; petals 
falling very early. VITACEX, 
Shrubs. Calyx larger, its divisions 4-5. R Al 
Herbs. Sepals 2: pe igmas 3. PORTULACACEH, 
ns 
cowed = twice as many, or of some uneq 
EB Caly state pipers to the att or of the ovary. 
Stamen 
more or less with each 
pote Flowers saya CUCURBITACE, 
Stamens distinct, as many or twice as 
pe 
many in a 1l-celled berry. 
Shru ROSSULACER, 
Seeds many, in a 2-celled or 1-celled 
pod. Styles 2. SAXIFRAGACER, 
Seeds pele, in a 4-celled pod. Style 
1: stigmas 4. ONAGRACER, 
Seeds only 1 in each cell. Border . 
of calyx obscure. 
Flowers in small axillary clus- 
pope Pod 2-beaked. Shrubs 
r trees HAMAMELACEX, 
Styles 2 : fruit dry. Herbs 
Sieg flowers | in compound 
UMBELLIFERZ, 
Styles 3- : eiaty 2); fruit a 
hrubs or her! tbs, with 
fovuini s simple or 
umbels. ARALIACER, 
Style 1. Flowers in cymes or 
a in heads, sometimes 
aunded by an involucre. -senpmngr’. 
Calyx free ger the 0 ovary, at least from the frui 
Leaves with transparent or blackish dots. 
ives simple, entire and opposite. HyPERIcAcE#, 
Leaves compound or milan RUTACEA, 
Leaves witho sou transparent 
re than one. te with 
none. 
Pistil 1, simple, 1-celled: style and 
