capillaris. 

 fylvatica. 



alba. 



pumlla. 



minima, 

 virginica» 



mexicana. 



indica. 

 cruciata. 

 radiata. 

 tcnacijfvna 



TR1ANDRIA. DIGYNIA. Agroftis. 07, . .,. 



9. A. panicle capillary expanding, calyxes awl'd equate*' .''« . /6, 



hifpidifh colour'd, florets awnlefs. capillary. 



16. A. panicle condenfed awnlefs, calyxes equal : the 

 virgin ones fhorter than the corol, the fecun- 

 dated one twice as long. wood, 



10. A. panicle loofe, calyxes awnlefs equal, culm creep- E_B 



ing. Rtief. D"»gf. 2 j. white. 



19. A. panicle awnlefs one-rank'd, culms fafcicled erect. 



dwarf. 



11. A. panicle awnlefs thread-form. leajl. HJB. 



12. A, panicle contracted awnlefs, leaves involute- wing- 

 like ri'jid ftanding out. Virginian, 



A. panicle oblcng collected, calyxes and corols poin- 

 ted fubequal awnlefs. mexican. 



A. panicle contracted awnlefs, racemes lateral erect 

 alternate. indian. 



A. fpikes fourfold crofs'd fmooth at the bafc, valvelets 

 petal-like awn'd. crofs'd. 



A. fpikes moftly fivefold crofs'd villous at the bafe, 

 valvelets petal-like awn'd. radiate. 



A. panicle contracted thread-form, flowers awnlefs 

 linear, valvelets parallel. S. mofl tenacious. 



20. 



15- 

 14. 



81. AIRA. Cal. 2-valved, 2-flower'd. F/orefs with- 

 out an interpofed rudiment. w**t-w**J* 



* azvnltfs. 



crundindcea. 4. A. panicle oblong one-rank'd awnlefs imbricated, 

 leaves flat. reedy. 



ininuta. 5. A. panicle loofe almoft level-top'd remoteft florets 



awnlefs. minute. 



aquatica. 6. A. panicle expanding, flowers awnlefs polifh'd longer U.j&t 

 than the calyx, leaves flat. aquatic. 



capcnfis. A. culm branchy, flowers racemed, corols hairy. S. 



cape» 



* * azvn'd. 

 fubfpicata. 7. A. leaves flat, panicle fpiked, florets awn'd on the cliS 



middle; awn reflected look. 0>c/. ?*»*,. aitrfubjpi fad. 

 caefpitofa. 8. A. leaves flat, panicle expanding, petals villous and XJ3 



awn'd at the bafe : awn firaight fnort. turfy.-)* '- >•'?■<» - 

 flexuofa. 9. A. leaves briftly, culms nakediih, panicle diva- 



ricated, peduncles winding. <7«s4Va n /^.winding. -**• "• 

 montana. 10. A. leaves briftly, panicle narrow'd, florets hairy at the 

 bafe awn'd: awn twifted longer. mountain. 



ihf/in ft: 4- 7h.fi. c.r,,/. <3<7..W</ - .. 



-»; 



7- 



II. A. ~ 



