NATURAL SCIENCES OF PHILADELPHIA. 79 
ral western collectors, but I am desis e tang oa it specifically from the 
plant of the Atlantic States. 645. TRicusris PuRPUREA, Gray, 646. Stipa 
Moneotica Turez. (Ptilagrostis papel, cata in ar Fl. Ross.)-1 have 
shaciahaht . 
the third satin ith a plumose awn found i in ‘our territor 
BOLUS AlRoIDES, Torr. 648. S. cryPTANDRUS, “Gray, same as 945 
of Peniler. 649. Cosagautontis. STRICTA, Trin., with some ©. S¥YLVATICA 
intermixed. (BLERIA CRISTATA, Pers., a very atte stenuated form le 
ANDROPOGON ancewrecs, amesii and ) eae yeu 
TIDA PURPUREA, Nutt.; the form called = Rediiana os | by Leoutel 
PALUM poner M, Michx. 
Q54. Enymus near conpensatus, Presl. and apparently E. TRITICOIDES, 
Seen io ste 55. TriricuM REPENS, L., var. . T. caninum, L. var., 
the as Parry’s 381, named T. segilopoides in the coll. of 1861, but wrongly ; 
slong wih oT ene T. repens, L. 657. T. AGILOPOIDES, Turez. , A. gropy- 
ees. 
ae as Fao eRUCEFoRMIS, Host. 659. Spononoivs arrorpEs, T 
an 
e€ CUSPID 
great differences in the relative length of the glumes and pa thes 
Pres 663. Catas 
‘ . Festuca, var. 
Gray. 666. F. nupra, L.; very young. 667. F. scasreiia, Torr.? Perhap: 
a very narrow-leaved form of this species, of which specimens collected i 
w in Ne i h ite extre 
oes Poa near P. nemoratis, L. It is 375 of Parry. 9. P. axpina, Nutt. 
b. Acad. The Poas of this collection, Saeed some undistributed 
specimens, present several puzzling forms, which n be accurately ase: 
mined only by a much more thorough study than ¢ n be given them at pre- 
sent. 670 P P.a 
. P. aAROTICA alpina. 
671. Ackostis varrans, Trin. Agrees well wit seine: No. 217, quoted 
, ear 
Ehrh. 673. AGRosTIS near RUPESTRIS. 674. Poa ALPINA, is “mixed with one 
which may be a variety of it. [675. Poa, near 669 and 677.] ae P. arctica, 
R. Br.? 677. P. anpiva, Nutt. cs. Poa tagal giwene sha 8 
witty, Srranion ELymoipses, Raf. "92 et of this v: rable: grass, nied 
ay be reduced to Elymus. b. Warrideas exiiweg ., Var. same 
of P - Horpevm pee - 682, ALOPECURUS PRATENSIS, war. 
(A. glaucus, Less.) ex Gray. 3, A. GENICULATUS, var, 
aniston, “Micha 686. LepTaNs PANICULATUS, Nutt. . VasEya 
ign i J ble 
toad Sec inain ee and the Agrostidez, 
is dedicated ‘(oy the perce os seconded by Dr. Gray) to Dr. George 
Vasey, of Ringwood, Hlinois, one of the most zealous of our Western botanists. 
The Pilowther are its principal ohatnaners: 
VASEYA, nov. gen. 
Panicula a ae Spicule gop herbaceo-membrana Glume 
iataievel m adequantes. Callus obliquus, comam Stole spatela zequi- 
longam a wi . Palea inferior inane | in aristam gracilem attenuata; supe- 
rior equilonga, acuminata. Stamina 3. Ovarium stipitatum. Styli ultra 
eelian i Ss pee i ay ag instructi. Squamule 
aryo ¥; a, a native of the plains of gre wire is a 
ith thentic but imperfect Mongolian specimen confirms Prof. Thurber’s 
bRG el Fi. Be eas, 
age 
aS 
