538 RUBIACE^l. LXXXVI. GONZALEA. LXXXVII. ISERTIA. LXXXVIII. TEPESIA. LXXXIX. EVOSMIA. 



Powdery Gonzalea. Shrub 8 to 9 feet. 



6 G. PANAME'NSIS (Pers. ench. 1. p. 132.) leaves oblong, 

 acuminated, acute at the base, petiolate, hairy from very short 

 down above, and whitish from short tomentum beneath ; stipulas 

 broad at the base, and subulate at the apex, length of the pe- 

 tioles, fj . S. Native of Panama and Mexico. Buena Pana- 

 mensis, Cav. icon. 6. p. 571. Branches sub-tetragonal. Co- 

 rolla reddish yellow. 



Panama Gonzalea. Shrub 5 to 7 feet. 



7 G. CORNIFOLIA (H. B. et Kunth, nov. gen. amer. 3. p. 416.) 

 leaves oblong or ovate-oblong, acuminated, acute at the base, 

 petiolate, glabrous above, and downy on the nerves and 

 veins beneath, as well as the branchlets ; stipulas ovate-subu- 

 late, length of the petioles. T? . S. Native of New Granada, in 

 rocky places near Honda. Perhaps only a variety of G. Pana- 

 mensis. 



Dogrvood-leaved Gonzalea. Shrub. 



8 G. SPICA'TA (D. C. prod. 4. p. 437.) leaves oblong, acumi- 

 nated, downy on both surfaces ; stipulas subulate at the apex ; 

 spikes terminal, elongated ; calycine lobes linear ; fruit almost 

 always 2-celled. J; . S. Native of Cuba, near Havannah, 

 Porto-Rico, and Guadaloupe. Lygistum spicatufn, Lam. ill. no. 

 1477. Gonzalea Panamensis, ex Guadalupa, Spreng. syst. 1. p. 

 417. ex herb. Balb. Barleria hirsilta, Jacq. obs. with a good 

 figure. 



Var. ft, arborea (D. C. prod. 4. p. 437.) stem arboreous. 

 17 . S. Native of Cumana, near Santa Cruz, in humid shady 

 places ; and of New Granada. Coccocypselum spicihum, H. B. 

 et Kunth, nov. gen. amer. 3. p. 406. Spreng. syst. 1. p. 416. 



far. y, glabrata (D. C. 1. c.) leaves smoothish ; branchlets 

 downy. Tj . S. Native of Porto-Rico. Hedyotis seciinda, 

 Spreng. in herb. Balb. 



Spiked-Rowered Gonzalea. Shrub 8 to 10 feet. 



9 G. INCANE'SCENS (D. C. prod. 4. p. 437.) leaves pubescent 

 above, and canescent from adpressed silky villi beneath ; lobes 

 of calyx oblong. J? . S. Native of Tobago ? 



Hoary Gonzalea. Shrub. 



Cult. For culture and propagation see Hamelia, p. 542. 



LXXXVII. ISE'RTIA (named after P. E. Isert, a German, 

 in the Danish service as a surgeon at Danish Accra, on the coast 

 of Guinea ; who rendered valuable services to botany during his 

 residence there). Schreb. gen. no. 602. Vahl, eclog. 27. Juss. 

 mem. mus. 6. p. 399. D. C. prod. 4. p. 437. Phosanthus, Ra- 

 fin. ann. gen. sc. phys. 6. p. 82. 



LIN. SYST. Hexandria, Monogynia. Calyx with a subglobose 

 tube, and a short permanent 4-6-toothed limb(f. 97. a.), ex Rich. 

 Corolla with a long tube (f. 97. 6.), which is more slender in the 

 middle than any where else (f. 97. 6.) ; and with 6 short obtuse 

 erect lobes at the apex (f. 97. c.), which appear a little twisted 

 before expansion, densely clothed with yellow down inside, hav- 

 ing the recesses or sinuses between the lobes drawn out into 

 little crests. Stamens ~, inclosed (f. 97. d.}. Stigmas linear, 

 erectly stellate (f. 97. e.). Berries globose (f. 97. g.), crowned by 

 the calyx (f. 97. A.), containing 6 brittle many seeded triquetrous 

 pyrenae (f. 97. c.), which are furrowed inside. Seeds subglobose, 

 truncate at the base. Albumen fleshy. South American trees 

 or shrubs, with striated or quadrangular branches. Leaves oval, 

 acuminated at both ends, on short petioles, clothed with short 

 down beneath. Stipulas twin on each side, lanceolate-subulate. 

 Thyrse terminal, many-flowered, spike-formed or panicle-form- 

 ed ; peduncles opposite. Flowers scarlet 



1 I. SPIC^FO'RMIS (D. C. prod. 4. p. 437.) leaves oval-ob- 

 long, acuminated, acute at the base ; thyrse spike-formed ; flowers 

 on very long pedicels along the axis. \, . S. Native of Guiana 

 or Cayenne, where it was collected by Patris. Leaves and flowers 

 like those of /. coccinea, but differing in the inflorescence. 



Spike cylindrical, having the flowers on the lower part remote 

 and opposite, and those at the top crowded. Corollas scarlet. 

 Spike-formed Isertia. Shrub 10 to 12 feet. 



2 I. COCCI'NEA (Vahl. eclog. FIG. 97. 

 amer. 2. p. 27.) leaves oval, acu- 

 minated, acute at the base; 



thyrse oblong, panicled. Tj S. 

 Native of Guiana, Cayenne, and 

 Maranham, as also on the banks 

 of the Magdalena, among bushes. 

 Guettarda coccinea, Aubl. guian. 

 1. p. 317. t. 123. Lam. ill. t. 

 259. Corolla an inch long, vel- 

 vety on the outside, scarlet. 

 Berries red. There is a variety 

 of this plant, according to Kunth, 

 having the leaves disposed 3 in 

 a whorl. The wood is bitter. A 

 decoction of the leaves is used 

 by the Creoles in fomentations. 



<Scarfe<-flowered Isertia. FI. July, Aug. Clt. 1820. Shrub 

 8 to 12 feet. 



3 I. H^ENKEA'NA (D. C. prod. 4. p. 437.) leaves oval, acumi- 

 nated at both ends ; thyrse ovate, panicle- formed, with verticil- 

 late branches. tj.S. Native of Mexico. Isertia coccinea, Bartl. 

 in herb. Haenke, ex D. C. 1. c. Calyxes as in /. parviflora. 

 Corollas scarlet, a little smaller than those of the preceding, but 

 one-half larger than those of the following, clothed with fine vel- 

 vety down on the outside. 



Heenke's Isertia. Shrub 8 to 10 feet. 



4 I. PARVIFLORA (Vahl, eel. amer. 2. p. 28. t. 15.) upper 

 leaves oblong : lower ones cordate at the base ; thyrse ovate, 

 panicle-formed, with opposite branches. Jj . S. Native of Tri- 

 nidad. Leaves almost glabrous, except on the nerves. Teeth of 

 calyx 4, and 2 of these are larger than the rest, and are pro- 

 bably formed of 2 combined ones each. Corolla scarlet, ungui- 

 cular, glabrous on the outside. Fruit unknown. 



Small-flowered Isertia. Shrub 8 to 10 feet. 



Cult. The species are worth cultivating in every collection of 

 stove plants, for the sake of their leaves and panicles of showy 

 scarlet blossoms ; their culture and propagation are the same as 

 that recommended for Hamelia, p. 542. 



Tribe V. 



HAMELIE'jE (this tribe agrees with the genus Hamelia in 

 the many-celled many-seeded fruit). D. C. prod. 4. p. 438. 

 Hameliaceas, A. Rich. mem. soc. hist. nat. par. 5. p. 108. 

 Hameliaceae genera, Kunth, syn. 3. p. 63. Rubiaceae, sect. v. 

 Juss. mem. mus. 6. p. 398. Fruit baccate, many celled (f. 98. 

 f. h.); cells many seeded. Albumen of seeds fleshy. Trees 

 and shrubs, with opposite or verticillate leaves, and interpetiolar 

 stipulas. 



LXXXVIII. TEPE'SIA (meaning unknown to us). Gsertn. 

 fil. carp. 3. p. 72. t. 192. D. C. prod. 4. p. 438. 



LIN. SYST. Pentdndria, Monogynia. Calyx with an oblong 

 tube, and a 5-toothed limb, 2 of the teeth opposite each other, 

 larger than the rest, outer ones erect, incurved, the 2 smaller 

 teeth connivent. Corolla and stamens unknown. Berry oblong, 

 crowned by the limb of the calyx, 4-celled. Seeds many", nest- 

 ling in the pulp. Albumen fleshy. Perhaps this genus is dis- 

 tinct from Gonzalea or Evosmia, but it is hardly known. 



1 T. DU'BIA (Gaertn. I.e.) T? . G. Native of Chili. Nothing 

 is known of this plant except the fruit. 



Doubtful Tepesia. Shrub. 



Cult. For culture and propagation see Hamelia, p. 542. 



LXXXIX. EVO'SMIA (from tv, eu, well, and 



