Mr. J. MIers on the genus Habrothamnus. 181 



very peculiar habit, easily distinguishable from that of Cestrum, 

 they justify me in recalling the recommendation suggested, as 

 above quoted, and in reinstating the genus, as proposed by Mr. 

 Bentham, with the following amended character : not having 

 seen the seed, I copy the description of it and the fruit wholly 

 from that of Endlicher. ' Gen. PI.' 3867. In coming to the 

 above conclusion, it ought to be stated at the same time, that 

 H, tomentosus, with its small calyx and the paucity and smallness 

 of its bracts, does not sensibly differ in habit from many species 

 of Cestrum, while on the contrary C. hradeatum and C. organense 

 possess the large involucrating bracts that characterize most 

 species of Habrothamnus. As the description and figure given 

 by Kunth, of Cestrum roseum, correspond entirely with Habro- 

 thamnus, I have added it, as another species of this genus, and 

 others may perhaps also be found to belong here. 



Habrothamnus, Benth., (char, emend.). — Calyx tubulosus, co- 

 loratus, 5-dentatus, dentibus acutis. Corolla infundibulifor- 

 rais, tubo imo angusto, summo inflato, ore contracto, limbo 

 brevi, 5-partito, lobis acutis, reflexis, sestivatione implicativa*. 

 Stamina 5, inclusa, sequalia ; filamenta subulata, infra medium 

 tubi inserta, apice subinflexa ; anthercB ovatse, 2-lob8e, spiculato- 

 rugosse, imo dorsi sine connectivo affixse, utrinque longitudi- 

 naliter dehiscentes. Ovarium ovatum, apice umbilicatum, 

 breviter stipitatum, stipite glandule annulai'i instructo et 

 cyatho (corollse reliquo) circumdato, 2-loculare, dissepimento 

 medio placentifero ; ovulis paucis, spermadermis ligulatis 

 suspensis. Stylus simplex, apice sub-incrassatus, infundibu- 

 laris, ore integro sub-2-lobo. Stigma sphsericum glandulosum, 

 subemarginatum, spiculoso-papillosum, medio cavum. Bacca 

 calyce persistente cincta, 2-locularis. Semina pauca, angulata, 

 umbilico ventrali. Embryo in axi albuminis carnosi rectus ; 

 cotyledonibusfo\iaceis,radicula tereti infera. — Frutices Mexicani 

 et Ecuadorenses sub-tomentoso-pubescentes, pilis articulatis ; 

 folia alterna, integerrima ; flores incequaliter cymosi, aut sub- 

 fasciculati, bracteis magnis scepius involucrati, calycibus corollis 

 baccisque rubris. 



The species described are the following : — 



1. Habrothamnus fasciculatus,^th. , PI. Hartw. n. 369; Trans. 

 Hort. Soc. iii. 1. tab. 1 ; Bot. Mag. tab. 4183. H. elegans, 

 Schweid. H. purpureus, Lindl. Bot. Reg. n. s. 15. tab. 43. 

 Meyenia fasciculata, Schl. Linn. viii. 251. 



* iEstivatio implicativa, nempe lobis singulatira conduplicatis, hoc modo, 

 marginibus sese aeque cum contiguis induplicato-conniventibus, nee ut in 

 Cestro, marginibus solummodo cum contiguis induplicato-valvatis. 



