BOMBACEjE. I. HELICTERES. 



507 



white tomentum beneath ; petals exceeding the calyx ; column 

 of stamens exserted ; carpels twisted. Tj . S. Native of Brazil. 

 H. Braziliensis, Mik. fasc. 4. H. corylifolia, Nees. et Mart, 

 nov. act. bonn. 12. p. 44. Peduncles 2-3-flowered. Petals 

 yellowish-green at the base, but intensely red at the apex. 

 Ovate-leaved Screw-tree. Shrub 5 to 6 feet. 



4 H. BREVISPIRA (St. Hil. fl. bras. 1. p. 274. t. 54.) decan- 

 drous ; leaves ovate, acute, somewhat cordate at the base, bi- 

 serrate-toothed, velvety-tomentose ; limbs of petals broadish, 

 reflexed, twice the length of the calyx ; column of stamens ex- 

 serted ; carpels short, twisted. Jj . S. Native of Brazil in the 

 provinces of Minas Geraes and Minas Novas. Peduncles 2- 

 flowered, equal in length to the petioles. Petals at first yellow, 

 with a red spot at the base of each, at length becoming intensely 

 scarlet. 



Short-spired-carpelled Screw-tree. Shrub 4 to 6 feet. 



5 H. BARUE'NSIS (Lin. mant. 122,) decandrous ; leaves cor- 

 date, sharply-serrated, tomentose beneath : peduncles 2-flowered; 

 calyx somewhat 2 -lipped ; carpels cylindrical, somewhat velvety, 

 awl-shaped at top. Jj . S. Native of the Island of Baruco and 

 the Isthmus of Panama, in woods by the sea-side. Jacq. amer. 

 236. t. 149. Lobes of calyx 5, irregularly joined into two lips. 

 Petals linear, white. Calyx greenish-yellow. The bark of the 

 trunk and principal branches being easily peeled off and very 

 tough, is used instead of ropes. 



Far. /3, orfitu (D. C. prod. 1. p. 475.) leaves ovate, scarcely 

 cordate, obtuse, toothed, tomentose beneath. Tj . S. Native ? 

 Perhaps a distinct species. 



Baruco Screw-tree. Fl. Sept. Oct. Clt. 1739. Sh. 12 ft. 



C H. GUAZUMJEFOLIA (H. B. et Kunth, nov. gen. amer. 5. p. 

 304.) decandrous ; leaves obsoletely- cordate, somewhat ovate, 

 unequal-sided, acuminate, serrate, hairy above, white from down 

 beneath ; peduncles 2-flowered ; calyx 5-lobed ; petals spatulate. 

 1? . S. Native on the banks of the river Orinoco and near 

 Caripe in Cumana. Resembles H. Baruensis. Flowers red. 



Guazuma-leaved Screw-tree. Fl. ? Clt. 1820. Shrub 8 ft. 



7 H. GREWUEFOLIA (D. C. prod. 1. p. 476.) decandrous; 

 leaves ovate, scarcely cordate at the base, acute, unequally and 

 doubly serrate, downy on both surfaces ; carpels cylindrical, some- 

 what velvety, awl-shaped at the apex. T? . S. Native of the 

 Island of Timor. Petals oblong with long claws. Fruit like 

 that of H. Barntnsis, but more slender. 



Grewia-leaved Screw-tree. Fl. June, July. Shrub 6 feet. 



8 H. MACROPE'TALA (St. Hil. fl. bras. 1. p. 275.) decandrous; 

 leaves ovate, acuminated, biserrate-toothed, nearly smooth; 

 limb of petals broad, reflexed, covering the calyx, which is 

 nearly 3 -times shorter ; column of stamens greatly exserted ; 

 carpels spirally twisted, f? . S. Native of Brazil in the pro- 

 vince of Minas Novas. Branches clothed with stellate hairs. 

 Petals smooth. 



Long-petalled Screw- tree. Fl. June. Tree 12 to 15 feet. 



9 H. SARCARO'LHA (St. Hil. pi. usu. bras. no. 64. fl. bras. 1. 

 p. 276.) leaves roundish-ovate or ovate, acute, slightly cordate, 

 serrate-toothed, clothed with brown tomentum ; petals narrow, 

 hardly higher than the calyx ; column of stamens twice that 

 length ; carpels twisted. ^ . S. Native of Brazil. A decoction 

 of the roots of this shrub is used by the inhabitants of the Bra- 

 zils, especially in the provinces of the mines, in syphilitic com- 

 plaints, where they call it sarcarolha. Corolla vermillion. 



Sarcarolha Screw-tree. Shrub 4 to 5 feet. 



10 H. MEXICA V NA (H. B. et Kunth, nov. gen. amer. 5. p. 

 305.) decandrous ; leaves ovate, somewhat cordate, unequally ser- 

 rate, soft, and pubescent above, hoary from down beneath ; calyx 

 acutely 5-toothed ; fruit ovate, somewhat velvety. Tj . S. Na- 

 tive of Mexico between Mazatlan and Chilpancingo. H. rubra, 

 Moc. et Sesse, fl. mex. ic. ined. Petals unequal, spatulate at 



the apex, red. Calyx velvety. Genitals scarcely twice as long 

 as the corolla. 



Mexican Screw-tree. Shrub 10 feet. 



11 H. JAMAICE'NSIS (Jacq. amer. 235. t. 179. f. 99.) decan- 

 drous; leaves cordate, crenate, clothed with velvety down on 

 both surfaces ; flowers somewhat terminal, few, corymbose ; 

 fruit ovate, densely clothed with down. Tj . S. Native of 

 Jamaica and St. Thomas. Jacq. hort. vind. t. 143. Pluk. aim. 

 182. t. 245. f. 3. Sloan, jam. 97. hist. 1. p. 22. Calyx green- 

 ish-yellow. Petals white. Tube of stamens very long. 



Jamaica Screw-tree. Fl. June, July. Clt. 1739. Sh. 12ft. 



12 H. VERBASCIFOLIA (Link, enum. 2. p. 200.) leaves cordate- 

 acuminate, serrated, downy, green ; peduncles axillary, few- 

 flowered ; fruit-stalk very long. Tj . S. Native of Brazil. 

 Lodd. bot. cab. t. 504. Ker, bot. reg. t. 903. Corolla red. 



Mullein-leaved Screw-tree. Fl. Ju. Jul. Clt. 1818. Sh. 8 ft. 



13 H. FERRUGINA'TA (Link. enum. 2. p. 199.) leaves cor- 

 date, lanceolate, crenulate, downy, rusty beneath ; flowers ter- 

 minal, somewhat racemose ; fruit-stalk very long. Jj . S. 

 Native of Brazil. Corolla yellowish. 



Rusty-leaved Screw-tree. Fl. June, July. Clt. 1823. Shrub 

 8 feet. 



14 H. PENTA'NDRA (Lin. mant. 294.) pentandrous ; leaves 

 ovate, floral ones coloured, Tj . S. Native of Surinam. Calyx 

 hispid, with bristly hairs. 



Pentandrous Screw-tree. Shrub. 



SECT. II. ORTHOCARP^A (from opflos, orthos, straight, and 

 KapTToe, karpos, a fruit ; because the carpels are straight, not 

 twisted as iq the preceding section). D. C. prod. 1. p. 476. 

 Carpels straight, approximate, not twisted together into a spire 

 nor radiating. 



15 H. ANGUSTIFOLIA (Lin. spec. 1366.) decandrous; leaves 

 lanceolate, acuminated, quite entire, white and downy beneath ; 

 pedicels many-flowered. Jj . G. Native of China about Can- 

 ton. Obs. itin. p. 232. t. 5. Lour. coch. 530. Flowers pale- 

 purple. Carpels clothed with stellate tomentum. 



Narrow-leaved Screw-tree. Shrub 6 feet. 



16 H. HIRSU'TA (Lour. coch. 530.) decandrous; leaves ovate- 

 oblong, cordate, acuminate, doubly serrate, tomentose ; pedun- 

 cles many-flowered ; fruit oblong, very hairy. Tj . G. Native 

 of Cochin-china in woods. Willd. spec. 3. p. 721. Flowers 

 pale-purple, in axillary, solitary, or crowded racemes. 



Hairy Screw-tree. Shrub 6 feet. 



17 H. VI'SCIDA (Blum, bijdr. ex. Schlecht. Linnaea. 1. p. 653.) 

 decandrous ; leaves roundish, cordate, acuminated, unequally 

 serrated, somewhat 3-lobed, clothed with stellate-pubescence 

 above, but with stellate viscid villi beneath ; peduncles axillary, 

 many-flowered, reflexed ; petals spatulate ; fruit oblong, hairy. 

 Tj . S. Native of Java. Flowers red ? 



Viscid Screw-tree. Shrub 6 to 8 feet. 



18 H. JAVE'NSIS (Blum, bijdr. ex. Schlecht. Linnaea. 1. p. 

 6 5 3.) decandrous ; leaves oblong or oblong-lanceolate, acuminate, 

 rounded at the base, subcordate, densely and obtusely serru- 

 lated, smooth above, but glaucous beneath, and are as well as 

 the branches clothed with stellate down ; peduncles axillary, 

 twin, opposite, the leaves umbellately many-flowered. ^ . S. 

 Native of Java. Flowers probably red. 



Java Screw-tree. Shrub 6 feet. 



19 H. SPICA'TA (Colebr. mss. in herb. Lamb.) villous ; leaves 

 oblong, acuminated, serrated ; peduncles axillary, twin, spi- 

 cately-racemose ; column of stamens short ; carpels straight. 

 Tj . S. Native of the East Indies. Flowers red. 



Spiked-Rov/ered. Screw-tree. Shrub 10 feet. 



20 H. PRONIFLORA (Rich. act. soc. n. h. par. p. 111.) hex- 

 androus ; leaves cordate, oval, unequal-sided, unequally serrated, 



3 T2 



