Botanique. A RALUS UT ETID FA: 101 
Curtopogon dichotomus PB. Agrost. (1812) p. 32. tab. 8. fig. 7. RS. 
Syst. 2. p. 398. 
Avena paradoxa Willd. herb! n. 2211 ex Kunth 1830. 
Canada (Prescott!); in siccis arenosis a Nova Anglia usque ad Caro- 
linam vulgaris (Pursh); in glareosis et ad vias Pennsylvaniae (Mühlbg.); 
prope N. Eboracum (Torrey') et Bethlehem (Moser!) ; Carolina borealis 
pr. Lincolm (Michx.) et australis in provincis superioribus (Elliott ); 
Georgia ad margines sylvarum (Beyrich! — culmo superne ramosiore, 
inflorescentia uberiore, panicula subpyramidata); Arkansas (Beyrich). 
FL Majo — Julium (Pursh). Septemb. (Moser, Mühlbg., Torrey.) 
Radix annua (Torrey), biennis (Pursh), perennis (Elliott). Culmi 8 
— 12 pollicares, ramosi. Folia 2 — %# poll. vix line latiora. (Elliott.) 
2. Aristida gracilis Elliott ex Nuttall gen. 1. (1818) p. 57. Elliott Carol. 
(1821) p. 142. tab. 8. fig. 3. Trin. Act. Petrop. 1829 p. 86. et 
probabiliter À. longespicalta) Poir. Encycl. meth. suppl. 1. (1810) 
p- #52. Paniculae linearis, racemosae, basi interruptae, # — 6 
pollicaris radiüs binis, uni-l. paucifloris, adpressis; gluma inferiore 
21 lineal, glumà superiore et flosculo dorso scabro parum bre- 
viore; setis lateralibus erectis 3 — %# (rarius 2) linealibus; media 
divaricata 1. reflexa, inarticulata, non torta, lateralibus duplo 
longiore. 
Trixostis Rafin. ex Steud. Nomencl. 18#1. 
Curtopogon gracilis NE! in hb. Marti. 
Pineta sterilia N. Caesareae (Gray Gram. exs. n. 9!); Delaware (Bern- 
hardi'); Carolina (Bosc. ex Poir.), vulgaris circa Charlestown (Elliott); St. 
Louis (Drummond'). Sept. Octob. 
Semipedalis — pedalis, basi ramosa. Panicula strictiuscula, contrac- 
to-angustissima. «Æloseuli in speciminibus ‘visis singulari modo maculis 
lucide et obscure griseis fasciati sunt, quod nisi variabile putassem, 
