(31) 
CouRANTIA ROSEA (Lindl.) Lem. Jard. Fleur. 
3: 244. 1853. 
Licheveria rosea Lindl. Bot. Reg. 28: p/. 22. 1842. 
Cotyledon roseata Baker, in Saund. Refug. Bot. sub. AZ. 55, no. 
3. 1869. 
Courantia echeveriotdes Lem. Jard. Fleur. 1: Misc. 92. 1851. 
Mexico. 
PACHYPHYTUM Link, Klotzsch & Otto, Allgem. Gartenz. 
9: 9. 1841. 
Caulescent and more or less branched; leaves very thick, often 
terete. Flowers solitary or arranged in secun a 
deeply lobed, the lobes appressed to the corolla, ovate to oblong, 
equal or unequal, shorter or longer than the corolla. Corolla deeply 
Stamens 10; the 5 alternating with the petals free from the corolla; 
the other 5 ‘borne on the petals, each with a pair of appendages at 
the base. Scales broad. Carpels 5, erect, free to the base; styles 
ort. 
Three species, all Mexican. 
Type species, Pachyphytum bracteosum Link, Klotzsch & Otto. 
Pachyphytum uniflorum Rose, sp. nov. 
Perennial, caulescent, about 2 on high, either simple, or 
branched at base, usually erect and stout, woody below; eee 
closely set on upper parts of Spiers falling off below, very tur- 
gid, but slightly flattened, 3-5 cm. long, only slightly narrowed 
below, rounded at apex, not glaucous, but pale green except near 
the apex, or even reddish throughout; flower-stems slender, erect or 
nearly so, appearing from the axils of the uppermost leaves of the 
rosette, pinkish, not glaucous, naked below, but with about 9 small 
scattered leaves above, these about 1 cm. long, greenish or purplish, 
minutely auricled at base; calyx 5-lobed, 8 mm. long, its lobes ovate, 
pinkish or greenish, acute ; corolla 12 mm. long, 5 mm. broad, 
little or not at all angled in bud; petals spreading, free nearly or 
appendages at its base; scales broad; carpels 5, erect, distinct. 
Plants purchased on the streets of San Luis Potosi, Mexico, by 
. Palmer in 1902 (type). They are said to have come from 
a mountain cafion in sight of the city. These plants are sold in San 
Luis Potosi and grown in shady courtyards. 
URBINIA Rose, gen. nov. 
Acaulescent; leaves closely imbricate, thick and rigid. Inflores- 
cence rather few-flowered, cymose. Calyx small, 5-lobed; lobes 
