420 BOTANICAL GAZETTE [December 



reported in the armature of the petioles of Erythea edulisy some trees 

 having naked petioles, while others show rudimentary spines. 



la. Washingtonia filifera WendL var. robusta, n. comb. — W. 

 robusta Wendland, Garten Zeit. 2:198. 1883; W. filifera S, Watson, 

 Bot. Cal. 2:211, 485. 1880, and of American gardens; W.filameniosa 

 Kuntze, Rev. Gen. PL 2:737. 1891; Sargent, Sylva 10:47. P^^- 

 §-g. 1891; N eowashin gtonia filamentosa Sudworth, U. S. Dept. 

 Agr., Div. For., Bull. 14:105. 1891. — Figs. 5-5. 



Trunk stout, enlarged at the base, 20-27^ tall: petioles stout and 

 until old erect, 1-1.5"^ long, 1-1.25^ wide at the dark-brown base, 

 and one-half as wide at the blade; the upper surface concave, its 

 thin, light-brown margins corneous and armed for their entire length 

 with stout hooked spines, acuminately prolonged into the blade; 

 ligule papyraceous, acuminate, lacerate, 2-5^^ long; blades 1-1.5"^ 

 in diameter, the 60-70 folds deciduously tomentulose on the lower 

 edges, cleft two-thirds to the base, the margin of the divisions abun- 

 dantly filiferous: panicle declined, exceeding the leaves, the primary 

 branches 4-5, each bearing 2-5 separated thryses, which are exceeded 

 by their ligulate, chartaceous, spathoid bracts; infioresence dense, 

 but becoming diffuse in fruit: seed excavated on the raphal face. 



Borders of the Colorado Desert of southern California, at low altitudes, seldom 

 exceeding 350"^. 



and 



The 



exhale a heavy 



perfume of orange blossoms 



Washingtonl\ filifera WendL var* microsperma Beccari 



in litt-, n. var. — Figs. 6,7. 



armed 



Differing in these respects only from the preceding. 



Growing in the Riviera, but as yet not noticed in the natural groves. 



2. Washingtonia gracilis, n. sp.— PF. robusta of California gardens, 

 not of Wendlaxd. — Figs. 8-10. 



Trunk slender, at least 20"^ tall: petioles rather convex on the 

 upper surface, 7-10^ long, about i^"' wide at the brown base and 



one-half as wide at the blade, the corneous margins armed with short 

 hooked yellow spines for the entire length, acuminately prolonged in 

 the blade; ligule pap}Taccous, narrow, the margin entire; blade 



