290 MEXICO. [Melastomacea. 



dnobus, staminibus 12? subexsertis, filamentis quibusdam (3 vel 4?) nudis caeteris valde 

 purpureo-lanatis dHobus etiam ultra antheram purpureo-barbatis, stylo glabro incluso. 



Hab. Talisco. — This resembles, in some points, C. procumbens, Cav., but that has a much shorter flower, 

 and the hairs on the calyx glandular. We judge that the terminal flowers form a spike-like raceme, from the 

 appearance of one from which every flower has fallen off from the short pedicels. The tube of the calyx is 

 rnther more than an inch long. 



5. C. eqnipelala. Cav. — Hab. Talisco. 



Ord. XXXII. RHIZOPHORE.E. Br. 

 1. Rhizophora Mangle. Linn. 



Ord. XXXIII. COMBRETACEJE. Br. 



1. Terminalia Cataffa. Linn. 



From the appearance of the specimens, we suspect that they were collected at the same time, and along with, 

 those noticed from Loo Choo and Bonin. But we believe the species, or a variety of it, is also a native of 

 Mexico. 



1 . Conocarpa erecta. H. B. K. 



1. Combretum farinosum. H. B. K. Nov. Gen. 6. p. 110. — Schlecht. in Linn. 5. p. 558. 

 — Hab. Acapulco and Tepic. 



2. C. Mexicanum. H. and Bonpl. PL Equin. 2. t. 132? 



Hab. Acapulco.. — The petals of our plant are yellow ; the fruit is oblong and 4-winged. 



Ord. XXXIV. MELASTOMACE^. Juss. , 



1. Conostegia Xalapensis. Don. — De Cand. Prod. 3. p. 175. Schlecht. in Linn. 5. p. 

 562. — Hab. Talisco. 



Folia in nostris oblongo-lanceolata basi subcordata, ciliato-serrata ; alabastrum ovatum apice acutiusculum. 

 Petala rosea. Caatera ut in Melastomata Xalapensi Bonpl. videntur. 



HETEBOCENTRON. Nov. Gen. 

 Calyx campanulatus, membranaeeus, extus adpresse setosus ; limbus quadripartitus, segmentis lanceolatis 

 acuminatis persistentibus absque appendicibus alternantibus. Petala 4, late obovata. Stamina 8, quatuor 

 longiora. Antherw oblongse erostrata? obtusae uniporosse : longiorum connectivo stipitato ad articulationem 

 setis duabus subclavatis instructo, breviorura basi bigibboso. Ovarium liberum apice nudum. Stylus fili- 

 formis. Stigma acutum. Capsula inclusa, 4-locularis, apice loculicido-quadrivalvis. — Caulis basi lignosus. 

 Ramuli tetragoni hispidi. Folia petiolata oblonga integerrima utrinque setosa, penninervia ! Oi-2 poll, 

 longa, 8 lineas lata). Flores albi thyrsoidei, terminates, subpaniculati. 



1. H. Mexicana. 



This plant does not accord with any of the genera described by De Candolle. It belongs to the Rhexiacea;, 

 but is, nevertheless, allied to Castradenia of G. Don ( Gen. Syst. Gard. 2. p. 765), formed for the Rhexia 

 inaquilateralis of Schlechtendal (Linntea. 5. p. 567) ; in that, however, the connectivum of all the stamens 

 seems to be stipitate, the ovarium to be crowned with a few hairs, the inflorescence to be axillary, and the pair 

 of opposite leaves to be unequal. 



