26 



The Botanical Gazette. 



[January, 



OeJocephaluDi echinulatum, n. s. 



Fig. 8. Portions of fertile hyphae showing inside of branching X34B. 

 Fig. 9. Fertile head proliferating to form several secondary heads X348. 

 Fig. 10. Two fertile heads, one young, the other mature X464. Fig. 11. Two 

 spores X696. 



Oedocephalum verticillatum, n. s. 



Sterile and fertile hyphae, showing verticillate habit X232. Fig- 



14. 



Fig. 12. 



13- 



Single head X464. Fig. 



Three spores X696 



Sigmiodeomyces dispiroides, n. g. et n. s. 



Fig. 15. Fragment taken from a fertile tuft, showing sigmoid habit; fertile 

 heads denuded of spores when they have not fallen off entirely X136. Fig. 16. 

 Fragment bearing two pairs of fertile heads, one of which has fallen oft X464- 

 Fig. 17. Spore X 696. Fig. 18. Spore in optical section X696. 





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New Grasses. 



GEO. VASEV. 



Sporobolus pilosus, n. sp.— Perennial, from thick roots; 

 whole plant pale green: culms cespitose, rigid, erect, about 

 1| ft. high, leafy, particularly at the base, mostly simple, 

 sheaths smooth, the uppermost sheathing the base of the 



panicle, the lower crowded and flattened; ligule inconspicu- 

 ous; the throat, margin and both sides of the lower blades 

 pilose, the upper ones involute and attenuated to a 

 point, shorter than the culm: panicle terminal, spike-like, 2 

 to 3 inches long, close, the lower part included in the sheath; 



long 



empty glume 



1 



i 



spikelets 2i lines long, smooth, the lower _.^ & , 



shorter than the upper, which equals the fl. gl. and palet, all 

 obtuse. — Resembles S. asper, which has the leaves longer 

 than the culm, both empty glumes shorter than the flower, 

 and the leaves smooth or not pilose. 'Collected in Kansas, 



Perennial: culms 12 to 15 



by B. B. Smythe. 



Boiitelousi uniflora, n. sp 



inches high, slender: culm leaves 4, the upper sheathing the 

 base of the panicle, 1 line wide, the lower 3 to 4 inches long, 

 rigid, becoming involute; ligule a ring of short hairs: panicle 

 racemose-spicate, about 1 inches long, with 35 to 50 spikes, 

 which are about 4 lines long, and but one flowered; lower 



empty glume linear-oblong, hardly half as long as the upper, 

 which is between 3 and 4 lines long, acuminate, conduplicate, 

 entire and scabrous on the midrib; flowering glume about 



