382 SAXIFRAGACER, 
glanduloso-hirsutus, anguste campanulatus, 2-24 lineas longus, lobis inzequalibus valde obtusis 
- vel rotundatis; petala linearia, lobis calycinis duplo longiora; stamina exserta ; ovarii pars 
superior libera, glabra; styli breviusculi, divergentes—JH. longipetala, Ser. in DC. Prodr. iv. 
p. 52; Calques des Dess. Fl. Mex. 423. 
SoutH Mexico, in mountains above Toluca (Andriewr, 356). Hb. Kew. 
We have referred Andrieux’s specimens to H. longipetala, although ten stamens are 
represented in the analysis of the flowers in De Candolle’s tracing, quoted above. The 
ten stamens is probably a mistake ; for only five are shown in the flowers on the plant 
drawn. In all other respects Andrieux’s specimens agree with the plant traced. This 
species differs from H. orizabensis in its much slenderer scapes and smaller, more 
numerous flowers, and much smaller stipules. 
2. Heuchera minutiflora, Hemsley, Diag. Pl. Nov. pars tertia, p. 50. 
Scapis petiolisque patentim pilosis, foliis glabrescentibus cordato-orbicularibus obscure lobatis 
crenato-denticulatis, denticulis apiculatis, floribus minimis cymoso-subspicatis, scapo haud 
gracili paucifoliato, calyce latiuscule campanulato albo granuloso, petalis quam calycis lobi vix 
longioribus, staminibus stylisque inclusis vel brevissime exsertis. . 
Herba perennis, scaposus, 12-18-pollicaris. Folia petiolata; petiolus gracilis, 14~3-pollicaris, 
patentim ferrugineo-pilosus ; lamina membranacea, cordato-orbicularis, 1-2 poll. diametro, 
obscure lobata, crenato-denticulata, denticulis apiculatis, 7-nervis, utrinque cito glabrescens. 
Flores minimi (circiter lineam longi), cymoso-subspicati; scapus haud gracilis, spe 3—4- 
foliatus, infra pilosus, supra albo-granulosus ; calyx albo-granulosus, latiuscule campanulatus, 
lobis oblongis, obtusis ; petala linearia, lobis calycinis vix longiora ; stamina inclusa (?demum 
brevissime exserta) ; ovarii parte superiore libera, glabra ; stylis brevibus vix exsertis. 
Soura Mexico, Popocatepetl (H. Christy). Hb. Kew. 
8. Heuchera orizabensis, Hemsley, Diag. Pl. Nov. pars tertia, p. 50. 
Ferrugineo-pilosa, pilis patentissimis, foliis cordato-orbicularibus obscure 5-7-lobatis 5-7-nerviis 
aristulato-dentatis, floribus mediocribus cymoso-paniculatis, scapo haud gracili, calyce glan- 
duloso-hirsuto late campanulato, lobis latissimis rotundatis, petalis linearibus quam calycis lobi 
saltem duplo longioribus, staminibus exsertis. 
Herba perennis, scaposa, 1—2-pedalis, petiolis preecipue ferrugineo-pilosis, pilis longis patentissimis. 
Folia longe (usque 6-poll.) petiolata; lamina membranacea, cordato-orbicularis, 14-2 poll. 
diametro, obscure 5-7-lobata, 5~7-nervis, aristulato-dentata, supra cito glabrescens, subtus 
precipue secus nervos pilosa, reticulato-venosa ; stipule amplz, petiolo adnate. Flores albo- 
rosei, ad 5 lineas longi, anguste cymoso-paniculati; scapus haud gracilis, infra medium nudus, 
paucibracteatus vel paucifoliatus, foliis vel bracteis inciso-dentatis ; calyx glanduloso-hirsutus, 
late campanulatus, ad 3 lineas longus et latus, lobis erectis, latissimis, apice rotundatis ; petala 
linearia, lobis calycinis saltem duplo longiora ; stamina exserta; ovarii pars superior libera, 
glabra; styli elongati, divergentes. 
SoutH Mexico, peak of Orizaba, 11,000-12,000 feet (Linden, 577), 10,000-12,500 feet 
(Galeotti, 2835). Hb. Kew. 
