298 Mr. J. E. BiCliEKo's Obsei-vatioris 



J. culmo nudo tereti, paniculA terminali, involucro diphyllo spi- 



noso, capsulis subrotundis mucronatis. Ft. Brit, 374. Engl. 



Bot. xxiii. 1614. 

 J. maritimus, culmo nudo apice bivalvi, panicula terminali subuin- 



beilata, capsula calyce duplo longiore. Lamarck Enc)/cl. iii. 



J). '253. Flor. Fran. iii. l6'2. 

 J. culmo subnudo tereti niucronato, paniculA terminali, involucro 



diphjllo spinoso. Sp. PL 463. Iliids. 148. With. 346. 

 J. pungens, sive acutus capitulis Sorghi. Bau/i. Hist, ii. 520. 



Moris, s. viii. t. 10./. 15. 

 J. maritimus capitulis Sorgiii. Park. 1193. 4. 

 J. acutus capitulis Sorghi. Baiih. Pin. 11. Raii Si/n. 431. 



Angl. Acute Rush. Sea Rush, Great sharp Sea Rush, Prick- 

 ing large Sea Rush. 

 In arenosis maritimis, proecipu^ cumulis, rariils. 

 Peren. July. 



Hoot fibrous, running deep into the sand. Stem three feet high, 

 erect, straight, simple, leafless, cylindrical, even, terminating 

 in a very sharp and rigid point. Leaves like the stem, but 

 smaller and shorter. Panicle lateral, compound, many-flowered, 

 first branch the longest. Bracte membranous, and dilated at 

 the base, very pungent. Flowers clustered. Cahjx-leaflets ovate, 

 obtuse. Capsule broad-oval, somewhat three-sided, mucronate, 

 shining, three-celled; each cell many-seeded. Seeds ovate, 

 attached to the dissepimentj shining : Cortincle elongated at 

 each end. 



This plant and the following, though separated by the old bo- 

 tanists, have been considered as the same species by Linnaeus 

 and many of his disciples. The character first applied by La- 

 marck — capsula cali/ce duplo longiore — is excellent; and by ob- 

 serving 



