12 BULLETINS OF THE BUREAU OF PLANT INDUSTRY. 



Page. 



Bulletin No. 177.— A Protected Stock Range in Arizona— Continued. 



Plate VI. An arroyo and a perennial-grass field in the inclosed area. 



Pig i. — An arroyo producing brush and cacti but very 



little grass. Fig. 2. — Field containing Baileya niulti- 



radiata, a conspicuous plant about the lower border of 



the perennial-grass region 22 



Bulletin No. 171).— The Florida Velvet Bean and Related Plants. 



Plate I. Seedliugs of Mucuria keyensis and Stizolobiurn hassjoo 8 



II. Mature pods and seeds of Stizolobiurn capitaturn and 



Stizolobiurn deeringianum 12 



III. Mature pods and seeds of Stizolobiurn cinereum and Stizo- 



lobiurn utile 14 



IV. Mature pods and seeds of Stizolobiurn niveuru and Stizo- 



lobiurn aterrimum 16 



V. Mature pods and seeds of Stizolobiurn pachylobium and 



Stizolobiurn hassjoo 18 



VI. Cluster of ripe pods of fleshy-pod bean (Stizolobiurn 



pachylobium) 20 



VII. Clusters of green pods of Mauritius bean (Stizolobiurn 



aterrimum) 20 



Bulletin No. 180. — Agricultural and Botanical Explorations in Pal- 

 estine. 



Plate I. Fig. 1. — Kasr-Ezzuweira, showing the effects of erosion on 

 the " Lissan " strata, laying bare the underlying rocks. 



Fig. 2.— View of Safed 12 



II. Triticum dicoccum dicoccoides, entire plant 40 



III. Lower face of single spikelet of Triticum dicoccum dicoc- 

 coides 42 



IV. Upper face of single spikelet of Triticum dicoccum dicoc- 

 coides 42 



V. Fig. 1. — View of Mejdel esh Schems, on the slopes of Mount 

 Hermon, where wild wheat was found. Fig. 2.— Scene in 



Wady Waleh, showing the writer's caravan 44 



VI. Fig. 1. — Spike of Triticum dicoccum dicoccoides, showing 

 long glumes; a transitional form to T. polonicum. Fig. 

 2. — Spike of Triticum dicoccum dicoccoides, showing 



glumes resembling those of durum wheat 44 



VII. Fig 1. — Spike of Triticum dicoccum dicoccoides, showing 

 long glumes; very hirsute. Fig. 2. — Spike of Triticum 



monococcum 46 



VIII. Fig. 1. — Spikelet of Triticum monococcum, showing the 

 characteristic secondary tooth of the glume. Fig. 2. — 

 Spikelet of Triticum dicoccum dicoccoides. showing the 

 secondary tooth, as in T. monococcum. Fig. 3. — Spikelet 

 of Triticum dicoccum dicoccoides, showing the absence of 



the secondary tooth of the glume 46 



IN. Fig. 1. — Grains of Triticum monococcum; side, dorsal, and 

 ventral views. Fig. 2. — Grains of Triticum dicoccum 



dicoccoides; side, dorsal, and ventral views 48 



Bulletin No. 1S1. — The Curly-Top of Beets. 



Plate I. Fig. 1. — Beet leaves affected by curly-top: also a beet leaf- 

 hopper. Fig 2. — Dock leaf spotted by punctures of beet 

 leaf hopper 42 



