16 SYLVA TfcXLUR. 



4. perennc, like last but perennial stem, Italy, 

 Sicily, Spain, Persia, &c, 



45. Gossypium (Karpas) guyanense Raf. 

 10, 11 R. B. sem. ovata scabra nigra, 7-11 

 coalitis in loculis, byssus elongatus small tree 



8 to 12 feet high, producing two crops yearly 

 and each tree 12 to 24 ounces of finest cotton, 

 one of the long staples, native of Guyana and 

 Brazil, 2 var. 1. verum, Surinam Cotton, seeds 



9 to 11 in each cell forming a narrow pyramid, 

 2 braziliensis, Brazil Cotton, seeds 7 to 9 form- 

 ing a broad pyramid. 



46. Gossypium (Leiophaium) convexum 

 Raf. 12 R. B. Foliis convexis, sem. levis fusca- 

 ta venosa, postice apice barbata, angulo antice 

 ad apice longior, bys^sus laxus in S. .Marta, 8 

 feet high, gives two yearly crops of line snowy 

 cotton easily plucked, 



47. Gossypium (Leiof.) tenax Raf, 14 R. 

 B. sem. levis fuscata venosa, apice coronata 

 penicellata, angulo uncinato,byssus tenax An- 

 tilles, 10 to 12 feet high, producing 4 ounces of 

 fine long cotton, but very difficult to pluck. 



48. Gossypium (Leiof.) fuscum Raf. 13 R. 

 P. sem. levis fuscata venosa, apice postice vil- 

 losa, angulo uncinato, ad apex brevior, byssus 

 fuscatus tree 12 to 15 feet high,native of Asia, 

 cotton dirty redish brown difficult to pick. 



49. Gossypitim (Leiof.) pollens Raf. 1 6 R. 

 B. sem. levis fuse, venosa, apice tomentosa, an- 

 gulo uncinato, byssus rubescens from Asia also, 

 6 faet high, cotton paler than last, redish, 3 

 ounces. 



50. Gossypium (Leiof.) asiaticum Raf. 19 

 R. B. sem. brevis vix ovata levis fuse, venosa, 

 apice barbata villosa, byssus albus Asiatic, 

 akin to last, same size, leaves, glands, flowers, 



