408 PROCEEDINGS OF THE AMERICAN ACADEMY 



admirable one found in Schkuhr. Riedar. fisr. 106. 609. Var. glo- 

 bosa Olney, ined. 



610. Phleum alpinum L. ; Hook. Fl. Bor.-Am. 2, p. 234. 



611. Alopecurus pratensis L. : a slender form, like that collected 

 in California by Bolander. 



612. Cinna arundinacea L., var. pendula Gray, Man. O. pen- 

 dula Trin. 



613. Agrostis pallens Trin.? This Prof. Thurber names A. 

 exarata Trin. 



614. Agrostis exarata Trin., a long-awned variety, according to 

 Prof. Thurber. It is the Deyeuxia alopecuroides of NuttalPs herba- 

 rium, which was published by Mr. Buckley. 



615. Agrostis alba L. A broad-leaved form. 



616. Agrostis scabra Willd. A. laxi flora Richard. 



617. Agrostis canina L. 



618. Agrostis ^equivalvis Trin. Agrost, p. 116, fide Thurber: 

 who now refers to it his own A. HUlebrandii, in Coll. Bolander, — an 

 attenuated pale-green form. The " valves " are by no means equal. 



619. Agrostis exarata Trin.: one of the forms of this polymor- 

 phous species according to Prof. Thurber. 



620. Vilfa depauperata Toit. in. Hook. Fl. Bor.-Am. 2, p. 257, 

 t. 236 : but occasionally the palese are pointed as in V. cuspidata 

 Torr., into which it may pass. 



621. Sporolobds cryptandrus Gray, Man. ed. 5, p. 610. 622. 

 Same with open panicle. 



623. Calamagrostis Aleutica Trin. ; Hook. Fl. Bor.-Am. 1, 

 p. 241. 



624. Poltpogon Monspeliensis Desv. 



625. Stipa occidentals Thurber ; Watson Bot. King, p. 380. 



626. Spartina cynosuroides Willd. 627. S. gracilis Trin. 

 The latter is named S. polystachya in Hooker's List of Geyer's Plants, 

 and is doubtless S. junciformis Engelm. & Gray PI. Lindl. 



628. Glyceria nervata Trin. : a large form ; passing to the 

 next. 



629. Glyceria pauciflora Presl, Rel. Hamk. G. nervata var. 

 latifolla Monro. 



630. Glyceria fluitans R. Brown ; slender form with small 

 spikelets. 



631. Eragrostis reptans Nees ; in two or three forms. 



