Alismaceai.] MEXICO. 311 



squamis (foemineis) obovatis venosis pubescenti-hirtis, staminibus 2. (Tab. LXX.)— 

 S. microphylla. Schlecht. in Linncea, 6. p. 354. 



A very remarkable species of Salix, with leaves like those of some small Lythrum, and flowers small in 

 proportion. Our specimens possess only the male catkins. 



Tab. LXX. Salix microphylla. Fig. 1. Outer view of a scale from the male amentum; fig. 2. Inner 

 view, with flower ; fig. 3. Leaf : — magnified. 



MONOCOTYLEDONES. 



Ord. LXXVIII. ORCHIDEjE. Juss. 

 1. Oncidium sp. — Hab. Talisco. 

 1. Cymbidium tenuifolium. Willd. ? — Hab. Talisco. 



Ord. LXXIX. IRIDE^. Juss. 

 1. Sisyrinchium sp. ? — Hab. Talisco. 



Ord. LXXX. BROMELIACEiE. Juss. 



1. Tillandsia usneoides. L. — Hab. Talisco. 



2. T. vestita ? Schlecht. in Linncea, 6. p. 53. 



Ord. LXXXI. SMILACE^. Br. 

 1. Smilax rotundifolia. Willd. 

 Two other species, in a very imperfect state, are in the collection. 



Ord. LXXXII. RESTIACEiE. Br. 

 1. Eriocaulon microcephalum? H. B. K. Nov. Gen. Am. I. p. 201. 



Ord. LXXXIII. ANEILEMA. Br. 

 1. Aneilema floribunda. — Commelina floribunda. H. B. K. Nov. Gen. Am. 1. p. 269. 



Ord. LXXXIV. ALISMACEiE. Rich. 



1 . Alisma virgata ; foliis latissime ovatis obtusis basi cordatis, paniculse ramis elongatis 

 strictis, floribus densis verticillatis, verticillis remotis, pedicellis flore vix duplo longioribus, 

 bracteis ovatis verticillo brevioribus. 



2. A. Andrieuxii; foliis elliptico-lanceolatis acutis basi attenuatis, panicula; ramis 

 elongatis strictis, floribus densis verticillatis, verticillis subremotis, pedicellis florem sub- 

 aequantibus, bracteis subulatis verticillo longioribus — Alisma. Andrieux PI. Mexic. 

 Exsicc. n. 91. 



The same species was found by M. Andrieux about Tehuantepec of Oaxaca. 



