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PLANT LIFE OF ALABAMA. 



The following are of wide continental range east of the Rocky 

 Mountains, extending to the Carolinian area, the first being the most 

 abundant species of the dry pine barrens: 



Andropogon scoparius. 1 Sporobolus longifolius. 1 



Chrysopogon avenaceus. 1 Sporobolus negledus. 1 



Sporobolus junceus. Sporobolus vaginacflorn*. ' 



The following representatives of the Cyperaceae are found among 

 the xerophile plant associations, mostly of the Louisianian area: 



Cyperus martindalii. 

 Oyperus retrofractus. 2 

 Rynchospora grayii. 

 Rynchospora intermedia. 

 Scleria ciliata. 



Scleria elliottii. 

 Slenophyllus ciliatifolius. 

 Carex festucacea. l 

 Carex muhlenbergii. 1 

 Juncus torreyi. 1 



The xerophile species of other families associated with these gluma- 

 ceous plants are for the largest part at home in the Louisianian area. 

 Fully two-thirds of the numerous Leguminosae and Compositae occur- 

 ring in this region are confined to that area. Omitting the common 

 species of wide distribution, the following, named in the succession of 

 their flowering, give character to the xerophile herbaceous associations 

 of the rolling pine uplands. As the first harbingers of spring, appeal- 

 before and in the beginning of February: 



Houstonia rotundifolia. 

 JEpigaea repens. 1 



These are succeeded by: 



Helianthemum carolinianum. 



Astragalus villosus. 



Lupinus diffusus. 



Iris verna. 



Chrysogonum virginianum.* 



Oxalis recurva. 



Oxalis filipes? 



Ascyrum pumilum. 



Phlox pilosa detonsa. 



Phlox amoena. z 



Lupinus nuttallii. 



Limodorum parviflorum (Calopogon 



parviflorus Lindl.) 

 Chrosperma muscaetoxicum. 2 

 Zygadenus angustifolius. 

 Pentstemon hirsutus. 1 



During the summer months: 



Buchnera elongata. 2 

 Physalis virginiana 2 

 Erythrina herbacea. 



Viola palmata. l 

 Viola septemloba.' 2 



Gyrostachys (Spiranthes) praecox. 1 



Gyrostachys gracilis. 1 



Lachnocaulon anceps. 2 



Asclepias humistrata (A. amplexicaulis 



Michx.). 



Asclepias michauxii. 

 Tetragonotheca helianthoides. 2 

 Jatropha slimulosa.* 

 Scutellaria pilosa. 2 

 Polygala nana. 

 Kneiffia linearis.' 2 

 Stillingia sylva'tica. 2 

 Schwalbea americana. 2 

 Sabbatia angustifolia. 2 

 Helianthemum ramuliflorum. 



Euphorbia corollata angustifolia. 

 Euphorbia floridana. 

 Zornia bracteata. 



1 Carolinian area and northward. 



Carolinian area. 



