300 



CONVOLVULACEjE. XXVII. BONAMIA. XXVIII. CRESSA. XXIX. EVOLVULUS. 



3 lines long, and hardly a line broad. Corolla funnel-shaped, 

 twice longer than the calyx. Capsule glabrous ; cells 1 -seeded 

 by abortion. 



E volvulus-like Breweria. Shrub 1| foot. 



10 B. BURCHE'LLII (Choisy, 1. c. p. 493.) Native of the 

 Cape of Good Hope. Nothing is known to us of this plant, but 

 the name. 



Burchell's Breweria. PI. 



11 B. SPECTA'BILIS (Choisy, 1. c.) Native of Madagascar. 

 Nothing is known to us of this plant but the name. 



Showy Breweria. PI. 



Cult. For culture and propagation see Bonamia, below. 



XXVII. BONA'MIA (in honour of M. Bonami, author of a 

 Flora of the environs of Nantes in 1782.) Pet. Th. veg. d'afr. 1. 

 p. 17. t. 5. Rcem. et Schultes, syst. 4. p. xli. Choisy, in mem. 

 soc. phys. gen. 6. p. 495. 



LIN. SYST. Pentdndria, Mondgynia. Calyx of 5 equal 

 concave sepals. Corolla tubularly campanulate, 5-lobed. Sta- 

 mens and style exserted. Style bifid ; stigmas capitate. Cap- 

 sule 2-celled ; cells 2-seeded. Seeds arillate. A shrub, native 

 of Madagascar. 



1 B. MADAGASCARIE'NSIS (Pet. Th. veg. d'afr. fasc. 1. p. 17. 

 t. 5. nov. gen. mad. no. 28. t. 5. Rcem. coll. p. 202.) leaves 

 sinuated, ovate, acuminated, undulated, at length glabrous ; 

 corymbs panicled, terminal, dense ; calyx villous. Jj . S. Na- 

 tive of Madagascar, at Foul-point. Shrub weak, elegant. 

 Branches terete, pilose while young. Corollas white; segments 

 of the limb ovate, acute. Arillus of seed pulpy, pale red. 



Madagascar Bonamia. Shrub 5-6 feet. 



Cult. This elegant shrub is worth cultivating in every collec- 

 tion of stove plants. A mixture of loam, peat, and sand, will 

 answer it well, or any light rich soil ; and cuttings will strike 

 root readily under a hand-glass, in heat. 



XXVIII. CRE'SSA (from Cressus, appertaining to the Isle 

 of Crete, now Candia.) Lin. gen. no. 313. Juss. gen. p. 134. ed. 

 Usteri, p. 150. Lam. ill. 183. f. 1. R. Br. prod. p. 490. 

 Choisy, in mem. soc. phys gen. 6. p. 495. Anthyllis, Alp. cent. 

 157. t. 156. Magn. char. 212. 



LIN. SYST. Pentdndria, Digynia. Calyx 5-parted, or of 5 

 sepals. Corolla funnel-shaped, 5-cleft. Stamens exserted. 

 Styles 2 ; stigmas capitate. Ovarium 2-celled ; cells 2-seeded. 

 Capsule 2-celled, 1-4-seeded. Dwarf, downy, branched herbs. 

 Leaves scattered, crowded, quite entire. Flowers sub-spicate, 

 solitary in the axils of the superior leaves, bi-bracteate. 



1 C. I'NDICA (Retz. obs. 4. p. 24. Wall. cat. no. 2260.) 

 diffuse ; leaves ovate, sessile, acute, crowded, obtuse at the base, 

 clothed with cinereous or hoary down ; flowers in the axils of 

 the superior leaves, nearly sessile, forming a spike or head ; 

 tops of corolla bearded. 7. H. Native of the East Indies. 

 Said to be hardly distinct from C. Crelica, of which, perhaps, it 

 is only a variety. 



Indian Cressa. PI. diffuse. 



2 C. CRE'TICA (Lin. spec. 325.) stem usually diffuse ; leaves 

 ovate, sessile, obtuse at the base, hairy, white ; calyxes ra- 

 ther silky ; flowers in the axils of the upper leaves, forming a 

 head ; corolla more or less bearded outside. . H. Native 

 of the provinces of France, Italy, Candia. Willd. spec. 1. p. 

 1320. D. C. fl. fr. no. 2753. Sibth. et Smith, fl. graec. t. 256. 

 C. humifusa, Lam. diet. fl. fr. 2. p. 268. Lin. amcen. acad. 

 1. p. 135. Anthyllis, Alp. cent. 157. t. 156. Plukn. aim. 236. 

 t. 43. f. 6. Branches hairy. Calycine segments ovate. Corolla 

 white: segments obtuse, rufescent at top, inside. Capsule 1- 

 seeded. 



Cretan Cressa. Fl. July, Sept. Clt. 1822. PI. J foot. 



3 C. AUSTRA'LIS (R. Br. prod. p. 490.) leaves lanceolate- 

 elliptic, nearly sessile ; stem erect. O- H. Native of New 

 Holland, within the tropic. Corolla more or less bearded out- 

 side. Capsule 1 -seeded 



Southern Cressa. PI. \ foot. 



4 C. TRUXILLE'NSIS (H. B. et Kunth,, nov. gen. 3. p. 93.) 

 branches clothed with silky, hoary down ; stems elongated, pro- 

 cumbent; leaves sessile, oblong, bluntish; flowers in the axils of 

 the upper leaves. 1. S. Native of Peru, near Truxillo, among 

 the sea sand. Calyx clothed with silky down ; sepals obovate, 

 elliptic, obtuse, equal. Corolla white, hardly equal in height to 

 the tube of the calyx ; segments ovate, acute. Capsule 4- 

 seeded. 



Truxillo Cressa. PI. procumbent. 



f Doubtful species. 



5 C. ARA'BICA (Forsk. aegypt. 54. no. 81.) stem shrubby, 

 diffuse, glabrous ; leaves ovate-oblong, sessile, villous ; pedun- 

 cles axillary, length of leaves. Native of Egypt, in the Taas 

 mountains. Lam. diet. 2. p. 181. Leaves obtuse, mucronate, \ 

 an inch long. Sepals ovate-lanceolate, 3 times shorter than the 

 corolla. Corolla campanulate ; limb 5-toothed. Styles 2, 

 diverging ; stigmas capitate. 



Arabian Cressa. Shrub 5 foot. 



6 C. MULTIFLORA (Willd. rel. ex Rcem. et Schultes, syst. 6. 

 p. 207.) corollas bearded ; capsule 4-seeded ; leaves oblong, 

 hoary on both surfaces ; flowers subspicate. Native of South 

 America, Humb. et Bonpl. 



Many-jlon'ered Cressa. PI. 



7 C. sERicEA (Willd. 1. c.) leaves lanceolate, acute, hoary, 

 silky beneath ; peduncles 1 -flowered, axillary. Native of South 

 America. Humb. et Bonpl. 



Silky Cressa. PI. 



8 C. ARENA'RIA (Willd. 1. c.) stem much branched, panicled ; 

 leaves ovate-elliptic, hairy. Native of South America. Humb. 

 et Bonpl. 



Sand Cressa. PI. 



Cult. For culture and propagation see Evolvulus, p. 302. 



XXIX. EVO'LVULUS (from evolve, to turn, in the same 

 sense as Convolvulus, which this genus resembles in habit.) Lin. 

 gen. no. 385. Juss. gen. p. 134. edit. Usteri, p. 149. R. Br. 

 prod. p. 489. Choisy, in mem. soc. phys. gen. p. 496. 



LIN. SYST. Pentdndria, Digynia. Calyx 5-parted, or of 5 

 sepals. Corolla sub-rotate, campanulate or funnel-shaped, pli- 

 cate. Styles 2, bifid ; stigmas simple. Ovarium 2-celled ; 

 cells 2-seeded. Capsule 2-celled, valvate. Non-lactescent, 

 prostrate or creeping, rarely erect herbs. Leaves entire. Pe- 

 duncles axillary, 1 -few-flowered ; pedicels bibracteate. The 

 Claddstyles of Humb. et Bonpl. differs from Evolvulus, in the 

 valveless capsule, and number of ovula. 



1 E. HIRSU TUS (Lam. diet. 3. p. 538. ill. t. 216. f. 2. but not 

 of H. B. et Kunth.) procumbent; leaves ovate-oblong, nearly 

 sessile., distant, hairy from bristles on both surfaces; peduncles 

 1 -flowered, equal in length to the leaves, also exceeding them. 

 I/ . S. Native of the East Indies, as of Pondicherry, Kamaon, 

 south of Hindostan, &c. E. sericeus, Wall. cat. no. 1315. Co- 

 rolla blue. ? 



Hairy Evolvulus. PI. procumbent. 



2 E. ALSINOIDES (Lin. fl. zeyl. p. 76. spec. p. 392.) elon- 

 gated, villous ; leaves ovate or oval, blunt at both ends, petio- 

 late, glabrous above, and hairy beneath ; peduncles usually 1-2- 

 flowered, 4-bracteate ; capsule deflexed. 1. S. Native of the 

 East Indies, as at Pegamew, Mungger and Ceylon, Straits of 

 Sunda; and of New Holland, within the tropic. Burm. zeyl. 9. 

 t. 6. f. ]., and 19 t. 9. Conv. alsinoides, Knip. cent. xi. no. 34. 



