170 



ern part, and extends north as far as the mouth of the IHinois 

 River, where it has been collected by Professor W. E. Andrews. 

 Spennacoce glabra Michx. extends northward along the rivers 

 well into central Illinois. Triadoium petiolatU7n (Walt.) Britton is 

 common in the cypress swamps of Johnson and Massac counties, 

 and Agrimoiia pu7)iila Muhl. in the upland woods of the Ozark 

 region. 



Ohio State University, Columbus. 



SHORTER NOTES 



Hymenoxys insignis — {Ac ti mi/a iusignis, A. Gray ; S. Wat- 

 son, Pr. Am, Acad., i8 : 109). In my recent paper on Hyinen- 

 oxys (Bull. Torrey Club, 31; 461. S 1904), I omitted this 

 species, as I had seen only some fragments of a head, and was 

 uncertain whether it was really of this genus. I have now 

 examined the type sheet (from Lerios, 1 5 leagues E. of Saltillo* 

 Mexico, 10,000 ft., Paliner)m. the Gray Herbarium, and am satis- 

 fied that the plant is a Hyuioioxys, most nearly allied to H. 

 chrvsanthemoidcs, but quite distinct. 



T. D. A. COCKERELL. 



Rynchospora Pringlei Greenman. — This species, published 

 in Proc. Am. Acad. 39: 69. 25 S 1903, is the same as R. 

 Indiaiiolcnsis Small, FI. S. E. U. S. 193. 22 Jl 1903. Mr. 

 Greenman's specimens came from Zamora, Michoacan (Pringle, 

 8642) and Dr. Small's from Indianola, Texas (Ravencl). The 

 species is next to A', scutcllata Griseb. PL Cub. 246. 1866, to 

 which it has been referred by Mr. C. B. Clarke, but it differs 

 from that by its congested inflorescence with several or many 

 spikelets in the clusters, and seems to me to be distinct. 



N. L. Britton. 



Notes on Cuban Plants. — DicJirostacJiys nutans (Pcrs.) 

 Benth., an African tree, naturalized in Cuba, though apparently 

 not heretofore reported from the West Indies, was observed in 

 March, 1903, by Dr. Britton and the writer, forming dense 

 thickets, covering several acres, almost to the exclusion of all 

 other plants, on the grounds surrounding an old Spanish fort near 

 the mouth of the Bueyvaca, on the Bay of Matanzas and several 



