OldenlamUa. RUBIACE^. 27 



lancUa angustlfolla, Gray, PI. Wright, ii. 56, & Mau. ed. 2. — Barrens, Illinois to Kansas, and 

 Tennessee to Florida and Texas. 



Var. filifolia. Diffuse, disposed to be lignescent at base : cauline leaves mostly fili- 

 form : flowers and capsules smaller, more pedunculate. — Oldenlandiu ani/ustijb/ia, Chapm. 

 n. 181. — Rocky pine barrens near the coast, Florida. In Texas passing into the ordinary 

 form. 



Var. rigidiuscula. A span to a foot high, stouter : leaves mostly rigid, from linear 

 to lanceolate : flowers disposed to be glomerate and sessile, but some pedunculate. — S. and 

 W. Texas, Palmer, Ilavard, &c. Coast of E.Florida, liwjel. (Mex.) 



§ 2. Ereicotis. Fruticose or frutic-ulose : leaves setaceous or acerose-linear, 

 rigid, fascicled : flowers (purplish) and seeds nearly as in the last preceding sub- 

 division. — C4ray, Proc. Am. Acad. xvii. 203. 



H. fasciculata, Geay, 1. c. A span to a foot or more high, decidedly shru1)by, with rigid 

 and tortuous spreading branches, glabrous or hirtello-puberuleut : stipules very short : 

 leaves subulate-linear, thickisli, 2 to 4 lines long, much fascicled : flowers cymulose, short- 

 pedicelled : coroUa 2 or 3 lines long, between salverform and funnelform, the tube some- 

 times hardly or sometimes twice longer than the lobes : capsule barely a line long, about 

 one-third free : seeds 4 or 5 in each cell, elongated-oblong, barely concave on the ventral 

 face. — Includes some of Hedi/otis stenophyUa or Okknkindin cnujustlfolia, var. parviflora of 

 Gray, PI. Wright, i. & ii. — S. W. borders of Texas and adjacent New Mexico, Bigdow, 

 Wright, G. R. Vasey. (Adj. Mex., Palmer.) 



H. acerosa, Gray, 1. c. A span or two high, fruticulose, tufted, with slender ascending 

 branches, minutely hispidulous-pubescent or glabrate, very leafy throughout : stipules short, 

 commonly with a median cusp : leaves acicular-setaceous, 3 to 5 lines long : calyx-lobes 

 similarly setaceous : flowers sessile : corolla purplish, saberform with slightly dilated throat ; 

 its slender tube 3 or 4 lines long, much exceeding the ovate lobes : cajjsule globular, over a 

 line long, about a quarter part free, much overtopped by the acicular calyx-lolies ; cells 

 12-20-seeded : seeds roundish, with small ventral excavation. — Hedijotis {Ereieo.'is) acerosa. 

 Gray, PI. Wright, i. 81. Oldcnlandia acerosa, Gray, PL Wright, ii. 67. Mallostoma acerosa, 

 Hemsl. Biol. Centr.-Am. Bot. ii. 31. — High plains and hills, S. W. Texas, and adjacent 

 New Mexico, Wright, &c. (Adj. Mex., first coll. by Gregg.) 



5. OLDENLANDIA, Plum. (Dr. K B. Oldoiland.)— Mostly subtrop- 

 ical and humble herbs, with inconspicuous white or whitish flowers. — Nov. 

 Gen. 42, t. 36, & PI. Am. ed. Burm. t. 212, f. 1 ; L. Gen. ed. 1, 3G2 ; Benth. & 

 Hook. Gen. li. 58. 



* Corolla salverform, surpassing the calyx : flowers cymose : calyx-lobes distant in fruit. 

 O. Greenei, Gray. Erect annual, paniculately branched, a span or more high, glabrous : 

 leaves spatulate-linear or broadly linear with narrowed base (the larger ones inch long) : 

 flowers sessile in the forks and along the lax branches of the pedunculate cyme : calyx-teeth 

 triangular-sul)ulate, about the length of the turbinate tube : corolla less than 2 lines long, 

 with tuiie longer than its own lobes and those of the calyx: capsule quadrangular-hemi- 

 spherical, or at first somewhat turbinate : seeds moderately angled. — Proc. Am. Acad, 

 xix. 77. — Pinos Altos Mountains, New Mexico, Greene. Huachuca Mountains, S. Arizona, 

 Lemmon. 



* * Corolla rotate, shorter than the calyx-lobes, inconspicuous: capsule rounded at base : stipules 

 niostl}'. binuicronate or bicuspidate: calyx-teeth approximate at base: diftuse low herbs; fl. 

 summer. 



O. Boscii, Chapji. a span or so high from a perennial root, diffusely spreading, slender, 

 glabrous : leaves linear with attenuate base, inch or less long, obscurely one-nerved : flowers 

 few or solitai'y and nearly sessile at the axils : calyx-teeth hroadly subulate, rather shorter 

 than the capsule. — Fl. 181. Hedyotis Bosci DC.'l.c.420; Torr. & Gray, Fl. ii.41. — Low 

 or wet ground, S. Carolina to Arkan,sas and Texas. 



O. glomerata, Micux. A span to a foot high from an annual root, erect or soon diff'use, 

 freely branching, somewhat hirsutulous-pubescent : leaves from ovate to oblong, thinnish, 



