57 



iuclosiiij; tliL^ baHu (tf tho panicle, wliicii is often 2^"^ long, wtrict, douse, 

 pyramidal, tLo lower Hessilc brauchcs gradually longer, tho lowest 5"" long. — 

 The Howcrw do not difier from tho type. A remarkably robust varietj'. 



747. Sporobolus cryptandnis (Jray, var. strictus 8cribuer. 



748. Sporobolu.^ depauperatus .Scribnor. 



749. SporoboliLS Indicus li, Br. Santa Maria (Cameron county). 



750. Sporobolus junceus Jvuntli. 



751. Sporobolus minor Vasoy. 



752. Sporobolus Nealleyi Vasoy, n. ap. Cultn 1^.5 to ^O*:'" high, from strong-root- 



ing rhizomes: Icavea '2.5 to '.i.ai"" long, divaricati', rigid, involute; ligule 

 villous: panicle '2.5 to ;15'^"' long, branches few (7 to 10), alternate, short, 

 eroct-Hi»roadiiig : Kpikcletw 1.5""" long: uj>per empty glume equaling the 

 lloweriug glnine; h)\ver ono-half as long.— Brazos Santiago. 



753. Sporobolus purpurascens Haniil. 



754. Sporobolus repens J'resl. Chouate Mountains (I'residio county). 



755. Sporobolus Texauus Vasey, n. sj). Culms about 3'*'" high, rather rigid below, 



the upiior half occupied by the capillary-branched panicle: leaves linear- 

 lanceolate, 2S) to 7.5'"' long, rigid, acuminate, light green, scabrous above; 

 tho sheaths clothed wJLli loose white hairs : ])aniclo half tho length of tho 

 plant, sheathed ,at the base, diffusely branched, resembling S. anperifolius, 

 but with upper oniply glume ipiite as long as the flowering one, tho lower 

 about half as lung, both acute.— Screw Bean (Presidio county). 



756. Sporobolus tricholepis Torr. Chenate Mountains and Limpia canon (Presidio 



county). 



757. Sporobolus Virginicus Kunth. 



758. Sporobolus Wrightii Vasoy. 



759. Epicampes niacroura Jionth. 



760. Epicampes rigens Bentli. 



761. Polypogon Monspelieiisis Desf. 



762. Tliurberia Arkaiisaua Hcnth. Point Isabel. 



763. Agrostis arachnoides Kll. 



764. Agrostis exarata Trin. 



765. Agrostis scabra Willd, Chenato Mountains (Presidio county). 



766. Agrostis verticillata Vill. Chenate Mountains (Presidio county). 



767. Trisetum Hallii Scribner, ii. sp. Very near T. interrujHum, but with a denser 



pani(;lc, tho empty glumoa hroader and obtuaish, and the flowing glumes 

 Avith shorter teet.)i. 



768. Trisetum interruptum Buckley. 



769. Danthouia spicata P. Br. 



770. Cynodon Dactylon Pcrs. Introduced. 



771. Spartina cynosuroides Willd. 



772. Spartiua gracilis Trin. 



773. Spartina jimcea Wilhl. 



774. Spartina striota lioth. 



775. Chioris alba Presl. (C. elegans HBK.). 



776. Chioris ciliata Swartz. Point Isabel. 



777. Chioris cucullata Bisch. Point Isabel. 



778. Chioris Swartziaua Dooll. 



779. Chioris verticillata Nutt. Point Isabel. 



780. Trichloris pluriflora I'ourn. Point Isabel. 



781. Trichloris verticillata Fourn. 



782. Gymnopogon racemosus P. Br. 



783. Schedonnardus Texanus Steudol. Santa Anna (Coleman county). 



784. Bouteloua aristidoides Thnrber. Chenate Mountains (Presidio county). 



