. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 196 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. The only species found in the United States is Gathestecmn erec- tum Vasey and Hack. (fig. 116), a stoloniferous perennial with the aspect of Bouteloua texcma but more delicate. This species is known in western Texas from a very few collections, but is more common. Fig. 116.—CatJiestecum erectum. Plant, X I ; group of spikelets (reduced spike), central spikelet, and fertile floret, X 5. in northern Mexico. Cathestecum is placed by Bentham ^ doubt- fully in the tribe Zo
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 196 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. The only species found in the United States is Gathestecmn erec- tum Vasey and Hack. (fig. 116), a stoloniferous perennial with the aspect of Bouteloua texcma but more delicate. This species is known in western Texas from a very few collections, but is more common. Fig. 116.—CatJiestecum erectum. Plant, X I ; group of spikelets (reduced spike), central spikelet, and fertile floret, X 5. in northern Mexico. Cathestecum is placed by Bentham ^ doubt- fully in the tribe Zoysieae, and by HackeP in the tribe Festuceae. Griffiths^ shows its affinity to Bouteloua and places it in the tribe Chlorideae. iBentb. and Hook. Gen. PI. 3: 1122. 1883. " Engl, and Prantl, Pflanzenfam. 22: 65. 1887. sContr. U. S. Nat. Herb. 14: 358. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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