222 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



16. Panicum fusiforme nom. nov. 



Panicum neuranthum ramosum Griseb. Cat. PI. Cub. 232. 1866, not P. ramosum 

 L. 1767. 



Pine woods, Las Oblas, Pinar del Rio, September, Wright 3453 in part; Wright 

 3454 in part; Herradura, Tracy 9074, Hitchcock in 1906, Baker & Dimmock HC 4846, 

 Caldwell & Baker 7139; Isle of Pines, Curtiss 406. 



There has been much confusion in the specimens distributed by Wright unde 

 numbers 3453, 3454, and 3461. The Grisebach specimen of the above species, which 

 is the type of his variety, is labeled "Cuba occ. Wr. 1863, 900=3454." No. 3453 

 is P. neuranthum. As distributed in various herbaria, however, P. fusiforme occurs 

 in part of nos. 3453, 3454, and 3461. With these are various mixtures of P. neu- 

 ranthum, P. pauciciliatum, and P. lancearium. 



17. Panicum geminatum Forsk. Fl. Aegypt. Arab. 18. 1775. 

 Panicum pas palodes Pers. Syn. 1: 81. 1805. 



Panicum brizoides Lam. Tab. Encycl. 1: 170. 1791, not L. 1771. 



Wright 761; Santiago de las Vegas, Hitchcock in 1906; Batabano, Hitchcock in 1906; 

 Cienfuegos, Combs 426 in Gray Herbarium; Isle of Pines, Curtiss in 1904 in Herb. 

 N. Y. Bot. Gard. 



No. 761 of Wright in the National Herbarium is labeled "Wet," around ponds, 

 Hanabana, June 5." The Grisebach specimen is from eastern Cuba in 1860 and 

 is labeled "Bunches beside water holes. Palma Sola, July 19. 99=761." Per- 

 soon's name is based on Panicum brizoides Lam., as he quotes Lamarck's diagnosis 

 and cites his name as synonym. At Florence there is an authentic specimen of this 

 sent by Lamarck, collected in Mauritius by Commerson. The specimen of Pan- 

 icum brizoides in the Linnsean Herbarium is Echinochloa colona (L.) Link. Doell" 

 takes up Paspalum appressum Lam. Tabl. Encycl. 176. 1791, transferring it to Pan- 

 icum, but this is invalidated by Panicum appressum Forsk. Fl. Aegypt. Arab. 20. 

 1775, and by P. appressum Kunth, Enum. 1: 84. 1833. 



18. Panicum glutinosum Sw. Prod. 24. 1788. 



Panicum obtusiflorum Rich, in Sagra, Hist. Cub. 11: 305. 1850. 



Panicum lindenii Griseb. Cat. PI. Cub. 233. 1866. 



Shady hills, Loma Pelada, December 12, Wright 757; Linden 2143 in Paris Her- 

 barium. Wright's 757 in the G ray Herbarium is from "La Perla, along roadsides.'' 

 The Grisebach specimen is from eastern Cuba, no. 7o7. /'. lindenii Griseb. is a 

 typonym of P. obtusiflorum Rich., both being based on Linden 2143, which is in 

 the Paris Herbarium. 



19. Panicum grisebachii Nash, Bull. Torr. Club 35: 301. 1908. 



Mountain woods, creeping-assurgent, Valestina, October 8, Wright 3457; Madruga, 

 Britton, Britton & Shafer 758; San Antonio de los llanos. Baker HC 2853, Hitchcock 

 in 1906; Pinar del Rio, Baker HC 3817; Matanzas, Rugel 187 in Herb. N. Y. Bot. 

 Gard. 



The main stem creeps along the ground, throwing up flowering branches a loot 

 or so high. There are I wo Wright specimens of this in the Grisebach Herbarium, 

 both from western Cuba, 1863, one numbered "889=3457," (he other "941=3457.' 



;- '' 



20. Panicum birsutum Sw. Fl. Ind. Occ. 1: 173. 1797. 



Wet ground Dear Matanzas, July 5, Writ/lit 297 in 1865 in Grisebach Herbarium. 



A large stout grass with hirsute sheaths, glabrous blades, large, rather compact 

 panicle, and spikelets about 2 mm. long, being similar to the type at Stockholm. 

 In the herbarium of the New York Botanical Garden are two other West Indian 

 specimens of this species: Martinique, Duss 768; Guadaloupe, Buss 3917. 



a In Mart. Fl. Bras. 2 2 : 184. 1877. 



