SAURURACEAE 399 
to the Big Cypress Swamp. Most aap eee in the royal-palm hammocks where 
it occurs on oe rough-barked trees, well as on the trunks of the royal- 
palms. The e a see flattened worm- Tike Mens are supplied with chlorophyll 
and function as lea 
A species of the genus Lepanthes has recently been found growing o 
trees in the Big Cy ypress Swamp. This genus is related to Pleurothallis, but 
differs in the perianth in which B Rn of the n and lip are adnate to ne 
base of the column. The pla mall, 3-5 cm. tall, cespitose, the stem 
pubescent, al with Ede -like, ciliate shea ths and o ne leaf: leaf- blade 
elliptic to oval, 1.5-2 cm. long, with a callous margin and a minute callous tip. 
SUBCLASS 2. DICOTYLEDONES — DICOTYLES 
tems exogenous, consisting of pith, wood, and bark (endog- 
enous in rare cases): pith of parenchymatous cells: wood in one or 
several layers surrounding the pith, traversed by medullary rays: 
bark covering the wood. Leaves various: blades mostly pinnately 
or palmately veined, their bases, or the bases of the petioles articu- 
lated. Perianth and essential parts of the flower rarely in threes 
or sixes. Embryo with two cotyledons. The first leaves (coty- 
ledons) are opposite. 
SERIES 1. CHORIPETALAE 
Petals a distinct from each other, or wanting. The 
series embraees most the families formerly included in the 
APETALAE and the Pa 
ORDER PIPERALES — PIPERAL ORDER 
s of wet or moist places, or hammocks, usually with rootstocks, 
or shrubs or trees. Leaves with simple blades. Flowers perfect or uni- 
sexual. Perianth wanting. Androecium of several stamens. Gynoe 
of 1, or of'several distinct or united earpels. Fruit baccate, drupaceous, 
capsular, or nut-like. | 
Carpels distinct or nearly so, 3-4: ovules 2-8 in each cavity. Fam. 1. SAURURACEAE. 
Carpels united to form a single pistil: ovule 1 in each cavity. Fam. 2. PIPERACEAE. 
FAwmiLYy 1. SAURURACEAE — LIZARD’S-TAIL FAMILY 
Perennial herbs with rootstocks. e pud Ro basal. 
Flowers spieate or racemose. Androec of 3-8 s ns. ynoecium 
r 4 distinct or nearly distinct Porn Stirmas simple. Fruit 
capsular —Three genera and 4 species, natives of North America and 
Asi 
1. SAURURUS L. Aquatic or marsh herbs. Leaf-blades sea gs 
branous, cordate. Raceme with a drooping tip, the bractlets adna e 
pedicels or ovaries. Pistils 3 or 4. Mature ids veiny, opening uon 
—Two species, the following and one in Asia. 
