I L L U STRATIONS. 



PLATES. 



Page. 



Plate I. Fig. 1. — Leptocliloa mucronata. Fig. 2. — Leptocliloa viscida... 24 

 II. Fig. 1. — Leptocliloa domingensis, from Florida. Fig. 2. — Lepto- 

 cliloa domingensis, from Texas 24 



III. Fig. 1. — Leptocliloa scabra. Fig. 2. — Leptocliloa nealleyi 24 



IV. Fig. 1. — Leptocliloa fascicularis {Diplacline procumbens Nash) . 



Fig. 2. — Leptocliloa fascicularis {Diplacline tracyi Vasey) 24 



V. Fig. 1. — Leptocliloa fascicularis (ordinary form). Fig. 2. — Lep- 

 tocliloa imbricata 24 



VI. Leptocliloa floribunda . 24 



TEXT FIGURES. 

 [All five times natural size.] 



Fig. 1. Spikelet of Leptocliloa attenuata 11 



2. Spikelet of Leptocliloa mucronata 11 



3. Spikelet of Leptocliloa virgata 12 



4. Spikelet of Leptocliloa domingensis, from Texas _.;__.. 13 



5. Spikelet of Leptocliloa domingensis, from Florida 13 



6. Spikelet of Leptocliloa domingensis, from Central America 13 



7. Spikelet of Leptocli loa nealleyi . _•. 14 



8. Spikelet of Leptocliloa scabra 14 



9. Spikelet of Leptocliloa viscida 15 



10. Spikelet of Leptocliloa dubia 15 



11 . Spikelet of Leptocliloa floribunda 16 



12. Spikelet of Leptocliloa aquatica 17 



13. Spikelet of Leptocliloa fascicidaris 17 



14. Spikelet of Leptocliloa imbricata 19 



15. Spikelet of Leptocliloa spicata . 19 



1G. Spikelet of Gouinia brandegei 21 



