GRASSES OF Porto Rico 389 
30. ‘UNIOLA L Sp: PE Fis > 1753 
1. UNIOLA RACEMIFLORA Trin. Bull. Sc. Acad. St. Petersb. 1: 68. 
1836. 
Near Salinas de Cabo Rojo, Sintenis 839. 
37- ARTHROSTYLIDIUM Rupr. Mem. Acad. St. Petersb. 
Viogs 2887 «1849 
Leaf-blades very narrowly linear or hair-like. I. A. capiltifolium. 
Leaf-blades lanceolate. 2. A. multispicatum. 
1. ARTHROSTYLIDIUM CAPILLIFOLIUM Griseb. Mem. Am. Acad. II. 
S.S31. .-1863. 
Near Sabanagrande, climbing on tall trees, Sintenis 3891. 
2. ARTHROSTYLIDIUM MULTISPICATUM Pilger in Urban, Symb. Ant. 
25. 9qd: 4908: 
In woods near Maricao and Adjuntas, Sintenis 209 and 4016 
(according to Pilger). 
A number of other specimens of the Bambuseae are in collec- 
tions, but they are without inflorescence and so undeterminable. . 
NEw YorkK BoTaANICAL GARDEN, 
