136 PUBLIC HEALTH BULLETIN NO. 2 86 



2. G. ramosa Walt. — Coastal Plain, Florida north and west to 

 teyond the limits of our temtory. Found in aquatic situations 

 mostly in acid pin eland swamps or pools. 



4. Micranthemum Michx. 



M. umbrosum (Walt.) Blake— Shallow ponds, often acid, Florida to 

 North Carolina and west to beyond our limits in the Coastal Plain. 



5. Mimulus L. 



1. Leaves not petioled; stem not winged 1. M. ringens. 



1. Leaves petioled; stem 4-winged 2. M.alatus. 



1. M. ringens L. Monlvcy-flower — Range includes all of our states, 

 occurring mostly along streams. Rare in the Coastal Plain. 



2. M. alaius Ait. — The remarks concerning the preceding can also 

 be applied to this. 



ACANTHACEAE Acanthus family 

 1. Hygrophila R. Brown 



H. lacustris (Schlecht.) Nees — Lower Coastal Plain, Florida west- 

 ward but has its best development in the lower Mississippi delta 

 marshes. 



2. Justicia L. 



1. Corolla 2-2.5 cm. long 1. J. crassifolia. 



I. Corolla about 1 cm. long 2. 



2. Flowers in head-like spikes 3. 



2. Flowers scattered along one side of the upper 4. 

 I)art of stalk. 



3. Leaves linear, mostly shorter than peduncle 2. J. americana. 



3. Leaves elliptic, mostly longer than peduncle 3. J. humilis. 



4. Leaves remote, reflexed; corolla-tube 5-6 mm. 4. J. angusta. 



long. 

 4. Leaves not remote or reflexed; corolla-tube 8-10 5. J. lanceolata. 

 mm. long. 



1. J. crassifolia Chapm. — Kno\vn only from swamps on the Coastal 

 Plain in Florida. 



2. J. americana (L.) Vahl — Georgia north and west to beyond the 

 limits of our territory. Most common along rivers, and in the Tennes- 

 see Valley is often found in association with the production of Anoph- 

 eles quadrimaculatus. This species is listed by Small under the genus 

 Dianihera. 



3. J. humilis Michx. — Swamps, Coastal Plain, Florida north and 

 west to beyond the limits of oiu* territory, often in alluvial situations. 

 This species is called J. ovata Walt, by Small. 



4. J. angusta (Chapm.) Small — Known only from pineland ponds 

 in Florida. 



5. J, lanceolata (Chapm.) Small — Swamps on the Coastal Plain, 

 Florida north and west to beyond the boundaries of our area. 



