130 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Aira panicula oblonga, floribus muticis, hermaphrodito masculoque, caly- 
cibus triphyllis. Gron. Fl. Virg. 2: 135. 1743. 
Clayton, no. 590. This is cited by Linneeus under Holeus striatus, but he changes 
the last word of the diagnosis to diphyllis. The specimen is Sacciolepis striata (1..) 
Nash (Panicum gibbum Ell.), 
Aira calycibus trivalvibus trifloris. Gron. Fl. Virg. 2: 136. 1743. 
Clayton, no. 589. This is cited by Linnzeus under /folcus larus. The specimen is 
Uniola lara (L.) B.S. P. (U. gracilis Michx.). 
Poa panicula laxa erecta stricta, spiculis erectis oblongis. Gron. Fl. Virg. 2: 
136. 1743. 
Clayton, no. 581. This is cited by Linnwus under Poa capillaris. The Clayton 
number on the sheet is 580, and is so cited in the second edition of Gronovius. The 
specimen is Eragrostis pectinacea (Michx.) Steud. 
Uniola calycibus diphyllis, spiculis ovato-lanceolatis. Gron. Fl. Virg. 2: 136. 
1743, 
Clayton, no. 582. This is cited by Linnzeus under Briza eragrostis. The specimen 
is Hragrostis megastachya (Koel.) Link. 
Cynosurus spicis quaternis terminatricibus horizontalibus. Roy. prodr. 
Gron. Fl. Virg. 2: 136. 1743. 
Clayton, no, 597. Linnzeus cites the Royen diagnosis under Cynosurus aegyptius, but 
does not cite Gronovius. The specimen is Eleusine indica (1..) Gaertn: 
Gramen avenaceum locustis aristatis, paniculis forma Echinum referenti- 
bus. Gron. Fl. Virg. 2: 136. 1743. 
Clayton, no. 570, This is cited by Linnzeus under Elymus hystrix (Sp. Pl. 560, 
1753). 
The specimen is Hystrix hystrix (L.) Millsp. (Asprella hystrix Willd.; Hystrix patula 
Moench). 
Arundo panicula laxa, calycibus quinquefloris. Roy. prodr. Gron. Fl. Virg. 
2: 137. 1743. . 
Clayton, no. 581, This is cited by Linnzeus under Arundo phragmites. The Clayton 
number in the second edition of Gronovius is misprinted 481. The specimen is 
Phragmites phragmites (L.) Karst. (P. communis Trin.). 
Arundo maxima. Ad ripas fluminis Maharin & in Carolina boreali crescit, E 
caudice geniculis perterebratis Angli calamos piscatorios conficiunt. Clayt. 
Gron. Fl. Virg. 2: 137. 1743. 
No Clayton number is given and it is not mentioned in the second edition nor is 
it cited by Linneeus. It probably refers to the large cane, Arundinaria macrosperma 
Michx. 
Gramen arundinaceum glumarum apicibus dilute purpureis. Gron. FI. 
Virg. 2: 137. 1743. 
Clayton, no. 596. The specimen of this has not been seen, and I am unable to 
identify it. It does not appear in the second edition of Gronovius. 
Oryza glumis carina hispidis. Gron. Fl. Virg. 2: 153. 1743. 
Clayton, no. 595. This is cited by Linnzeus under Phalaris oryzoides. The Clayton 
number in the second edition of Gronovius is 395. A specimen without number but 
bearing this diagnosis is Homalocenchrus oryzoides (1..) Poll. 
Zizania. Gron. Fl. Virg. 2: 189. 1743. 
Clayton, no. 574. This is cited by Linnzeus under Z. aquatica. The specimen is 
Z. palustris L. 
