112 MISSOURI BOTANICAL GARDEN. 
*CoTYLEDON Umpsinicus, L. Umbilicus pendulinus, Wat- 
son 162, (2) 592; Drouet 173; Seubert 42; Seub. 
& Hochst. 14.— B. & H. 159. f. 359. 
Flores. Fayal (Brown, 86). Graciosa (300; Brown, 
87 — toward the next species). Terceira (301). San 
Miguel. Sta. Maria (301, a). 
*C, HORIZONTALIS, Guss. Umbilicus horizontalis, Drouet 
172.— Boissier, Fl. Orient. 2: 770.— Refugium Bot. 
5. pl. 297. 
Corvo (297). Flores (298, 299). San Miguel 
(302). Sta. Maria (302, a). 
Often held to be an inconstant form of the preceding. 
*SEMPERVIVUM VILLOsUM, Ait. Aichryson villosum, Wat- 
son 162, (3) 882; Drouet 173.— Lowe, 330.— Bot. 
Mag. 43. pl. 1809. 
Sta. Maria (303, a — abundant on the cliffs above 
San Lorenzo). 
HALORAGEAE. 
*MyRIOPHYLLUM ALTERNIFLORUM, DC. Watson 162, (3) 
382; Drouet 167.—Corbiére, 241.— Engl. Bot. pl. 
2854. 
San Miguel (804!, 305!; Brown, 88,— at Sete Ci- 
dades: 306? ; Brown, 89?, — at Lagoa das Furnas — 
these also pretty clearly this species, but unfavorably 
grown and not in flower). 
%#CALLITRICHE STAGNALIS, Scop. C. verna, Watson 163, 
(2) 591; Drouet 191; Seubert 27; Seub. & Hochst. 
14.— Corbiére, 243.— Rebb. 5. pl. 129. 
Corvo (307, 308?). Fayal (309?, 309, a, 310?, 
311?, 312? 313). Pico. Terceira (314, 315?, 315, a, 
316). San Miguel (317; Brown). Sta. Maria (317, a, 
317, b, 817, c).— The questioned numbers, while evi- 
dently the same as the others, are sterile. 
