TAxus TAXACEiE 781 



lines long, tipped with an awn 5-6 lines long, sometimes with 2 very short 

 lateral awns : flowering elumes lanceolate, smooth at the base, scabrous 

 above, bifid, bearing a divergent awn l>^-2 inche^.long. EJars of Snake 

 river at "Wftwawai, Washington. i . " 



S. Brodlel Piper 1. c. Stems erect, l>^-2 feet high: leaves stiff, 

 smooth on both sidesj involute, 5-7 inches long: spike pale green, long- 

 exserted, erect, 2%-Z% inches long: emptjr glumes subulate, entire, 4 

 lines long, bearing an awn 6 lines long: flowering glumes lanceolate, dense- 

 ly appreased-pubesoent, 6 lines long;, rarely with 2 short lateral awns. 

 Bishop's Bar, Snake river, Washington. 



Class 2, GYMNOSPERMiE. 



Monoecious or dioscioas treeis or shriibs, mostly evergreen, 

 with usually rigid needle-like,' subulate, or scale-like leaves. 

 Ovules naked upon a scale, bract or disk, or within a more or 

 less open perianth, 



i' SYNOPTICAL KEY. 



110 Taxaceee Dicecious evergreens: flowers solitary and axillary : ovule 

 solitary, in fruit a bony seed withiH' a fleshy envelope or cup-shaped 

 disk. 



111 Finacete Mostljr monoecious and evergreen trees or shrubs : stamina te 

 flowers in aments : pistillate flowers in 6|oaly aments becoming cones or 

 berry-like, ovules 2 or more at the base of each scale. 



Oedee 110 TAXACE^ Lindl. Nat.'Syst. ed'.Z, 316, 



Sparingly resinous trees or shrubs with scattered, in ours ever- 

 green, linear leaves spreading in 2 ranks and dioecious axillary 

 and solitary flowers achlamydeous ,and naked. or surrounded, 

 by the imbricated and usually decussate bud-scales. Staminate - 

 flowers with the filaments monadelphous in a column, each fila- 

 ment surmounted by severalmore or less united pendept an- 

 ther-cells, dehiscing longitudinally on the lower side, , Follen 

 globose. Pistillate flowers of a solitary orthotropous ovule 

 which in fruit becomes a .bony-coated seed raised upon or jnore 

 or less surrounded by or consolidated with a fleshy disk, cup or 

 other coatjng. Embryo 4xLle, iii fleshy or farinaceous albumen. 

 Cotyledons only 2, semiterete. 



1 TAXtJS L. Sp: 1040. ,. 



Trees or shrubs with evergreen spirally arranged short-pointed 

 linear flat mucronate leaves, spreading so as to appear 2-ranked, 

 and axillary and solitary sessile or subsessile very small aments. 

 Staminate aments consisting of a few scaly bracts and 5-8 

 stamens, their filaments united to the middle: anthers 4-6-celled. 

 Ovules solitary, axillary, erect, subtended by a fleshy annular 

 disk, whifh is bracted at the base. Fruit consisting of the fleshy 

 disk which becomes cup-shaped, red and nearly encloses the bony 

 seed. 



T. brerifolia Nutt. Sylva iii, 86 t. 108. A tree 20-90 feet high, by 



