

y. 



PLANT^ T7RIGHTIANJE. 



81 



the rigid setaceous leaves longer than the interaodes. 



237. Hedyotis (Ereicotis) acerosa (sp. nov.) : fruticulosa ; caulibus c«spitosis 

 confertis foliosissimis ; foliis acerosis scabro-hirtellis 3 - 4-natim verticillatis et in 

 axillis fasciculatis persistentibus ; floribus inter folia fasciculata sessilibus ; corollse 

 tubo infundibulari calycis laciniis setaceis et limbo suo quadruplo longioribus. 

 High prairies, from Live Oak Creek to the Las Moras, Western Texas ; June. Al- 

 so near Buena Vista, &c., Northern Mexico, Gregg. — Stems about a span high, very 

 many from the same thickened root, rigid, rather woody, erect or diffuse, leafy to 

 the top, sparingly branched ; 



Flowers mostly solitary at the summit of the branches and in the axillary fasciclcs 

 of leaves. Corolla five or six lines long, purplish or " bluish " ; the lobes ovate, pu- 

 berulent inside. Anthers linear. Stigmas linear-oblong. Capsule globose, crowned 

 with the setaceous teeth of the calyx, coherent with its tube nearly to the sumrait, 

 two-celled; the cells 12- 20-seeded. — Hedyotis (Anotis, Z)C.) Cervantesii, ^mw^A, 

 I have not seen, but from the character it can be neither the present species, so re- 

 markable for its acicular leaves, nor H. rubra (Houstonia, Cav.). The latter, which 

 I have seen also from Northern Mexico, and which was found by Fendler in New 

 Mexico, is herbaceous, depressed, and I believe an annual, like H. humifusa. 



238. H. (Amphiotis) stenophylla, Torr. §• Gray^ Fl. 2. j?. 41: var. parviflora: 



tubo corollse limbo vix longiore ; capsula etiam parva ; caulibus humilibus rigi- 

 dulis diffuse ramosis; cymis apertis. — Crevices of rocks on the San Pedro River; 



July. 



This accords with H. stenophylla, as characterized, in the shortness of the 



pedicels, &c. : as to the size of the corolla and the length of its tube, No. 55 of 

 Drummond's (firstl) Texan collection is intermediate between this and No. 116 of 

 Drummond's third collection. 



239. H 



strictior; cymis densiflo 



Mountain valleys east of the E,io Grande, New Mexico ; Aug. 



" Flowers white. 



»> 



This has the dense fastigiate cymes and very short pedicels, especially those of 

 the central flowers, of the typical H. stenophylla, namely, the plant common in 

 Florida, and also in Arkansas and Texas (the H. lasiantha, Nutt. in herh. Hook.). 

 That has. however, considerablv lararer flowers and a lon^er tube to the corolla : 



but there 



be no more constancy 



th 



m 



other 



ap- 



apparently of equal or greater consequence, which prove so little reliable in this 



difl^cult group.* 



240. H. stenophylla \ passing into H. longifolia ^. tenuifolia, Torr. 8f Gray, l. c. 



w 



Prairies of Turkey Creek, Western Texas 



Same 



No. 620 of Lind- 



the fruiting specimens at least ; wholly herbaceous, with the 



heimer's collection, 



cymules paniculate and loosely flowered 



all the flowers distinctly pedicelled 



But the pods are turbinate. The flowering specimen of Lindheimefs No. 620 



\ 



At Buena Vista, Mexico, Dr. Gregg collected specimens of the variety of Hedyotis purpurea called 

 by Nuttall Houstonia macrosepala. To this belongs Hedyotis calycosa, Shuitleworth, which he has de- 

 termined to be Spermacoce lanceolata of Frank and Diodia Frankii of Hochstetter and SteudeU 



No. 325 of Rugers Florida collection, named Oldenlandia corj-mbosa by Shuttleworth (surely not of 

 Linnseus), is Hedyotis Halei, Torr. & Gray^ FL 2. p. 42, 



