Oldenlandia. RUBIACEiE. 27 



landia anguatifolia, (jray, I'l. Wright, ii. 68, & Man. 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 : llowers and capsules smaller, more pedunculate. — Oldenlandia anrjiist/Jblia, Cliapni. 

 Fl. 181. — Kocky pine barrens near tlic coast, Florida. In Texas passing into the ordinary 

 form. 



Var. rigidiuscula. A span to a foot higli, stouter : leaves mostl_y rigid, from linear 

 to lanceolate : flowers di.sposed to be glomerate and sessile, but some pedunculate. — IS. and 

 W. Texas, Palmer, Huvard, &c. Coast of E.Florida, RiKjel. (Mex.) 



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

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

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



H. fasciculata, Gray, 1. c. A span to a foot or more high, decidedly shrubby, with rigid 

 and tortuous spreading branches, glabrous or hirteUo-pulierulent : stipules very short : 

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

 pedicelled : corolla 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, bai'ely concave on tiie ventral 

 face. — Includes some of lledijolis stenophijlla or Oldenlandia anrjnstifolia, var. parviflora of 

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

 Wright, G. R. Vasey. (Adj. Hex., 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 Muth a median cusp : leaves acicular-setaceous, 3 to 5 lines long : calyx-lobe.s 

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

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

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

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

 Gray, PI. Wright, i. 81. Oldenlandia acerosa, Gray, PI. Wright, ii. 67. Mallostoma acrrosa, 

 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. H. B. Oldenland.) — ISlo^tly subtrop- 

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

 Gen. 42, t. 3(5, & PI. Am. ed. Burra. t. 212, f . 1 ; L. Gen. ed. 1, 362 ; Benth. & 

 Hook. Gen. li. 58. 



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

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

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

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

 triangular-subulate, about the length of the turbinate tube : corolla less than 2 liues long, 

 with tube 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. Iluachuca Mountains, S. Arizona, 

 Lemmon. 



* * Corolla rotate, shorter than t lie calyx-lobes, inconspicuous : capsule rounded at base: .s(ipidc."( 

 mostly biinucronatc or bicuspidatc: cah'x-teeth approximate at base; diffu.se low herbs; fl. 

 summer. 



O. B6scii, CnAPM. A span or so high from a perennial root, diffusely spreading, slender, 

 glaljrous : leaves linear with attenuate base, inch or less long, ol).scurely one-nerved : flowers 

 few or solitary and nearly sesnile at the axils : calyx-teeth broadly subulate, rather shorter 

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

 or wet ground, S. Carolina to Arkansas and Texas. 



O. glomerata, Micnx. A span to a foot high from an annual root, erect or soon diffuse, 

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



