54 MISSOURI BOTANICAL GARDEN. 
‘plandia 3: 84 (1855). <Arundinella crinita Trin. in 
Linnaea 10: 299 (1836), from Peru, may be the same. 
I have no material for comparison. Arundinella peruvi- 
ana Steud. Syn. Gram. 115 is based upon Presl’s Thy- 
sanachne peruviana. — Plate 6. 
- THYSANACHNE scopaRiA C, B, Presl Thysan. Noy. Pl. Gen. 
(1829); et J. S. Presl in Reliq. Haenk. 1: 253. = Arun- 
dinella deppeana Nees. ‘* Hab. in Mexico.’’ — Plate 7. 
TrIcHopIUM ALBUM J. 5S. Presl in C. B. Presl Reliq. Haenk. 
1:244 (1830). ‘* Hab. in sinu Nutkaensis.’’ = Agrostis 
nutkaensis Kunth Enum. Pl. 1:222. The specimen is 
fragmentary, but it is clearly the tall grass common in 
collections from Oregon and Washington which has 
been referred to Agrostis scabra Willd. or A. laxiflora 
Rich. — Plate 34. 
‘Tricnopium NANUM J. S. Presl in C. B. Presl Reliq. Haenk. 
1: 243 (1830). ‘* Hab. in Peruvia? ’’ = Agrostis nana 
Kunth Enum. Pl. 1: 266. — Plate 34. 
Urocuioa paspaLorpEs J. S. Presl in -C. B. Presl Reliq. 
Haenk. 1:318 (1830). ‘* Hab. in Luzonia ad Sorzo- 
gon.”? = Panicum ambiguum Trin. in Mem. Acad. 
Petersb. VI. 37: 243 (1835). This grass is quite distinct 
from Urochloa panicoides Beauv. which has been cited as 
a synonym by some authors. — Plate 14. 
Urocuioa uniseta J. S. Presl inC. B. Presl Reliq. Haenk. 
1:319 (1830). = Ixophorus unisetus Schlecht. in Linnaea 
31: 420 (1861-62). Panicum palmeri Vasey. See Bull. 
U.S. Dept. Agr., Div. Agrost. 4:6. pl. J (1887). 
Vutrra myvurvus Link, J. S. Presl in C. B. Presl. Reliq. 
Haenk. 1: 260 (1830). ‘* Hab. in montanis Peruviae.’’ 
Three varieties are mentioned: a panicula simplicissima 
spicaeformi; f panicula simplici subspicaeformi. ‘* Hab. 
as a’’; 7 panicula simplici subspicaeformi, paleis inferi- 
oribus ciliatus. ‘*‘ Hab. in Chili.’? There are thrée 
specimens on the sheet and neither one seems to be var. 
8 = Festuca myurus Linn. Sp. Pl. 74. 
