404 CALIFORNIA.— SUPPLEMENT. ILycopodiacea? . 



We can see no difference between the Uniola spicata of Linn, and Torrey's Flora, and the U. striata of 

 the latter author. As in Brizopyrum the panicle is unisexual. 



2. B. Douglasii; glabrum, culmis fasciculatis radicantibus rigidis simplicibus, foliis 

 erectis rigidis linearibus apice convoluto-subulatis culmum superantibus, paniculis (mas- 

 culis) confertis ovatis, spiculis ovatis compressis subtrifloris glabris laevibus, flosculis im- 

 berbibus, glumella exteriore 1-2 nervi, carina margineque scabris. — Poa Douglasii. Nees 

 v. Esenb. in Tayl. Ann. of Nat. Hist. v. 1. p. 284. 



This is remarkable for its erect foliage, longer than the culms, and the short compact panicles somewhat 

 resembling those of Phalaris Canariensis. Nees v. Esenbeck considers it a Poa, and allied to P. tricolor, 

 conformis, curvula, abbreviata. Br. Ifc. 



1 . Hordeum pratense, Huds. 



2. H. pusillum, Nutt. 



POLYANTHERIX. Nees. 



(Trib. Triticeal. Locus inteT Elymum et JEgilopem.} 



Gen. Char. Rhachis spicse articulata. Spiculce disticho-alternas, geminse, rhachi oblique parallels, pluri- 

 florse, subsessiles. GIuttub binsc, collaterals, hinc ad speciem quaternse, profunde bifida?, laciniis bifidis 

 trifidisve omnibus longe setaceis, tertia (ubi adest) minima. Flosculi 3-4, inferiorum uno alterove sterili 

 glumis simili, tabescente. Fertilium valvula inferior chartacea, ex apice bidentato bisetove longe setigera ; 

 superior minor, integra, marginibus inflexis, flexura augulis ciliatis. Lodiculce lanceolata?, integrae, ciliatae. 

 Stamina 3, antheris brevibus. Ovarium apice hirsutum ; styli distantes ; stigmata plumosa. — Gramina 

 specie Elymi et Hordei. Nees. 



I. P. Hystrix, Nees v. Esenb. in Tayl. Ann. of Nat. Hist. v. I. p. 284. — iEgilops 

 Hystrix. Nutt. Gen. I, p. 86. 



Ord. LXIX. EQUISETACEiE. DC. 



1. Equisetum hyemale, L. — E. Bot. t. 915. 

 Hab. San Francisco. Br Sinclair. 



2. E.fuviatile, L.—E. Bot. t. 2022. 

 Hab. San Francisco. Br Sinclair. 



Ord. LXX. LYCOPODIACE^. Juss. 



1. Tmesipteris truncata, Desv. — Hook, et Grev. Lycop. in Bot. Misc. v. 2. p. 363.— T. 

 Tannensis. Labill. Fl. Nov. Holl. 2. p. 105. t. 252. (excl. syn.).— Psilotum truncatum, 

 Br. Prodr. p. 104. 



