33 



loiirr as the purpliHli (in dried specinions) corolla, whicli is J.25 to S-S*^"" m 

 diuracter: fruit snbgloboHo, densely stcllato-imbesceut, with no apparent 

 cusps.— ".Screw Bean" (Prewidio county). To tluH species is referred Wriffht 

 883 in part, collected in New Mexico in 1851; also Palmer 93, from Coabuila, 

 Mexico, collected in 1830. Tlie species is iuterniediate between S. hmtulata 

 Gray and S. anfjUHUfolia, var. cmindaia Gray. Palmer 93 was considered by 

 Mr. Watson (Proc. Ani. Acad., xvii. 33-1) to bo a form of S. hmtulata. Mature 

 fmit, as well as the coarse stellate-pnbesceuco, indicates a uuich closer rela- 

 titMiship to .S'. anf/mtifolia, var. (nuptdaia, under whicli polyniorpbous H|>ecies 

 it should bo included if not (entitled 1o specilic rank. It diifers, however, 

 from tliat species in its low habit, short ovate or oblong snl^hastato leaves, 

 solitary short-pedicelcd ilowers, and its pointless carpels. 



57. Malackra palmata IVbpneh. Brazos Santiago. 



58. Hibiscus cardiophyllus Gray. Kio Grande City (Starr county). 



59. Hibi.5cus Coulter! Harvey. Chisos Mountains (Foley county). Pringle's Ari- 



zona speciitu-ns have petals i)urpli8h outside, but Nealley's are pure sulphur 

 yellow, as in the original speciiuens of Wright and the Mexican ones of Coulter. 



60. Herraannia Texana Gray. Kio Grando City (Starr county) and Pona (Duval 



county). Apparently somewhat abundant along the Texan frontier, but 

 il. seems Jiot to have been n^contly reported from Texas. 



61. Linurnrigidum Pursli. Brazos Santiago. 



62. Malpighia glabra L. Santa Maria (Cameron comity). 



63. Jauusia gracilis Gray. Corpus Christi (Nueces county), San Diego (Duval 



county), in " western Texas " froin several localities without specilic stations, 

 and in the Chenate Mountains (Presidio county). 



64. G-uiacum angustifolium Eugolui. {Porli&ria migmiifnlia Gray). Kio Grande 



City (Starr county). In Proc. J m. J cad, xxii. 30(5, Dr. Gray says that the 

 genus J'orJieria can not be kept up. 



65. Geranium casspitcsum James. Limpia canon (Presidio county). 



66. Oxalis Berlandieri Torr. Pena (Duval county). A species not very abun- 



dantly nor recently collectcid. 



67. Oxalis corniculata L., var. stricta Sav. Santa Maria (Cameron county). 



68. Oxalis diclioiidraefolia Gray. Santa Maria (Cameron county). 



69. Ptelea trifoliata L., var. mollis Torr. A- Gray. Devil's Kiver (Val Verde 



county). 



70. Kceberlinia spinosa Zucc. Eoma (Starr county) and Limpia canon (Presidio 



county). 



71. Zizypliu.-5 obtusifolius Gray. Santa Maria (Cameron county) and Hidalgo 



( Hidalgo county). 



72. Karwiuskia Humboldtiana Zucc. Santa Maria (Cameron county). 



73. Ceanothus Greggii Gray. Chisos Mountains (Foley county). A species here- 



tofore known to extend from Utah to Aiizona, New Mexico, and Mexico, and 

 now discovered in w(!stern Texas. 



74. Adolphia iufesta Meisnor. Limpia canon (Presidio county). 



75. Urvillea Mexicana Gray. Santa Maria (Cameron county) and Hidalgo (Hi- 



dalgo coinity). 



76. Cardiospermum moUe HBK. Limpia cafiou (Presidio county). A north 



Mexican species new to our tlora. 



77. TJngnadia speciosa Fndl. Chenate Mountains (Presidio county). 



78. Rhus virens Lindh. Limi)ia canon (Presidio county). 



79. Crotalaria iucaua L. Brazos Santiago. A common Mexican and West Indian 



species. Our specimens are quite low, with very villou.s-hirsuto stems, not 

 very much resembling the tall and rather smooth forms of S. Florida referred 

 to this sp('('i<>s. 



80. Melilotns Tiidica All. (M.parviflora Desf.). Brazos Santiago. 



