52 PLANT LIITE IN OKLAHOMA. 



EVENING PEIMEOSE FAMILY— (Owa^raceae).— Includes 

 various willow-herbs, the evening primroses (19), gaura, and enchanters 

 night shade. 



WATER MILLFOIL FAMILY— (Haloragidaceae). ^These are 

 aquatic herbs, including the water millfoil and the mermaid weeds. 



GINSENG FAMILY— (^raZwceae).— This family is represented 

 in our State only by the common ginseng (panax qidnquefolia) , found 

 in rich woods in the eastern part of the State. 



PARSNIP FAMILY— (f7w6eZZi/erae).— This family is represented 

 in our State by several species of the snakeroot, pennyworts, chervil, 

 sweet cicely, sand parsley, cowbane, hedge parsley. 



DOGWOOD FAMILY— (Cormceae).— The dogwoods, small trees 

 or shrubs, represented in this State by 4 species and the tupelos, repre- 

 sented by tupelo gum, and the sour or black gum. 



LOGANIA FAMILY — (Loganiaceae) . — A family represented by 

 only 2 species in our State, so far as known. 



GENTIAN FAMILY— ((?e«-<wnaceae).— This family includes the 

 rose-pinks and centaurys. 



DOGBANE FAMILY — {Apocynaceae). — Includes amsonia, dog- 

 bane and Indian hemp. 



MILKWEED FAMILY— (AscZepioJaceae).— This family includes 

 the milkweeds, of which there are at least 20 species, the sand vine, and 

 baldwin's anglepods. 



MORNING-GLOEY FAMILY— {Convolvvlaceae) .—This, family 

 includes the morning-glories, of which there are 10 or 12 species, widely 

 distributed over the State; the bindweeds and dodders. 



PHLOX FAMILY— (PoZemomaceae). —The family includes the 

 phloxes and gilias. 



WATEELEAF FAMILY— {H'tfdrophyllaceae).—lQc\.Vi&.Q5 phacelia 

 and nama. 



BOEAGE FAMILY — {Boraginaceae) .-^'V^as family includes the 

 heliotropes (4), wild comfrey, stickseeds, for-get-me-nots, scorpion grasses, 

 puccoons, and western false gromwell. 



VEEVAIN FAMILY — (Verbenaceae). — Includes the verbenas or 

 vervains, of which there are 11 species; the lippia (fogfruit) ; and the 

 French mulberry, a fruit with a blue, berry-like group, with 4 nutlets, 

 but does not belong to the mulberry family. 



HEATH FAMILY— (.Ericaceae). -This family includes the Indian 

 pipe or ghost flower, the azeleas, male berry, and the huckleberries. All 

 the plants of this group growing are found in the eastern and southeastern 

 parte of the State. 



PEIMEOSE FAMILY— (PnmMZ(w:eae).— This family includes the 

 water pimpemells, loosestrifes, chafEweeds, shooting star (American 

 cowslip), Indian chief, rooster head. The plants of this group occur in 



