Chrysohalanus ROSACEiE 253 



Family XXXVII. ROSACEA. 



Herbs, shrubs or trees. Leaves with stipules. Flowers 

 regular, hermaphrodite, perigynous. Sepals 5, imbricate. Petals 

 equal to number of sepals, imbricate, deciduous. Stamens 

 generally indefinite, in one or many whorls, rarely unilateral, 

 free or sometimes connate at base. Carpels one or m(jre, in 

 one or numerous series, 1-celled. Styles as many as the carpels. 

 Ovules generally 2 in each carpel. Embryo generally without 

 endosperm ; cotyledons generally almond-like ; radicle .short, next 

 the hilum. 



Species 2000, dispersed all over the world. 



Fruit superior, not enclosed by a tubular receptacle. 

 Trees. Carpel 1. 



Style arising from one side near the base. 



Stamens 15-numerous, in a complete circle 1. CJirysohalanus. 



Stamens 3-8, unilateral 2. Hirtella. 



Style terminal 3. Primus. 



Shrubs or herbs. Carpels numerous. 



Shrubs with prickles 4. Ruhiis. 



Herbs with stolons 5. Fragaria. 



[Fruit achenes enclosed in the receptacle Rosa.'] 



1. CHRYSOBALANUS L. 



Small trees or shrubs. Leaves simple, alternate, leathery, 

 glabrous, entire. Stipules small, deciduous. Cymes axillary and 

 terminal, pubescent. Flowers white, rather small. Receptacle 

 somewhat campanulate. Stamens 10 to numerous, in a single 

 whorl on the upper margin of the receptacle, most fertile. 

 Carpels solitary ; ovary 1-celled, sessile at the base of the 

 receptacle ; style arising from one side near the base ; ovules 2, 

 ascending. Drupe somewhat pulpy, drying up, with one seed. 

 Seed suberect ; cotyledons fleshy ; radicle inferior. 



Species 3, natives of tropical and subtropical America, 

 including W. Indies, and of tropical Africa. 



C. icaco L. Sp. PI. 513 (1753) (excl. reference to Sloane) ; 

 Jacq. SeJ. Sti'rp. Amer. 154, /. 94 & Ed. jnct. t. 141 ; Tussac FI. 

 Ant. iv. 91, t. 31 ; Wrujld Mem. 277 ; Macf. Jam. ii. 2; GrisiJt. 

 Fl. Br. W. Lid. 229; San/. Silv. Iv. 3, /. 148; Urh. Si/mh. Ant. 

 iv. 260. C. pellocarpus G. F. W. Mey. Prim. FI. Fssrq. 193 

 (1818) ; Griseh. loc. n't. C. fruticosus Arc. Browne llisf. Jam. 250, 

 /. 17,/. 5 (excl. syn. Pluh). (Fig. 108.) 



Coco-plum. 



Infl.andfr. Dcc-^Iay; Wright \ Massonl !Morass, Bybrook, St. Thomas 

 in the Vale, Macfadycn ; St. Elizabeth, McNab ! Metcalfe ; St. Ann's Bay, 



