26 
MACROMERIA exserta. 
Long-stamened Macromeria. 
PENTANDRIA MONOGYNIA. 
Nat. ord. BORAGINACER. (Boraceworts, Vegetable Kingdom, 
p. 655.) : : 
MACROMERIA, Don.— Calyx sub-5-partitus, tubo brevi, laciniis 
longe linearibus acutis subæqualibus. Corolla longe tubulosa vel tubuloso- 
obconica, calyce triplo quadruplove longior, pubescens, fauce nudá, lobis 
5 æqualibus tubo multo brevioribus. Stamina supra mediam partem corollæ 
a tubo liberata, filamentis gracilibus glabris, antheris lineari-oblongis fere 
medio dorso insertis. Ovarium 4-partitum, lobis e basi latå- ovatis obtusis 
glabris. Stylus filiformis, glaber. Stigma punctiforme subemarginato-bilo- 
bium. Nuces laves. Herba mexicane, erecta, perennes, pilis simplicibus 
plus minus hispide. Folia alterna, sessilia, integra, nervis lateralibus valde 
obliquis et ideo in plerisque subparallelis. Panicula vel racemus terminalis, 
pedicellis brevibus, floribus facie Petunie ergo aliis Borraginearum majoribus 
et magis regularibus.—Alph. DeCandolle, x. 68. 
M. exserta ; caule hispido, foliis lanceolatis mucronatis scabris, genitalibus 
longè exsertis.— Alph. DeCandolle Prodr. x. 68. 
Macromeria exserta, Don in Edinb. Phil. Journal, 1832. Bentham pl. Hart- 
weg, p. 49. 
This seems to be the first figure which has appeared of 
one of the finest genera among Borageworts. We are in- 
debted for the opportunity of publishing it to the garden of 
the Horticultural Society, where, last September, flowers 
were produced by a plant raised from Mr. Hartweg’s Mexican 
seeds. This traveller found it near Tuspan and Anganguco, 
in his first journey in Mexico; but it was not till his second 
visit in 1846 that he succeeded in obtaining ripe seeds. 
It is a fine half-hardy perennial growing from two to 
three feet high, if potted in a mixture of sandy loam and 
fibry peat in equal parts. 
It is increased by seeds and flowers from August to 
October, if kept in the greenhouse. 
Its foliage is, however, too eoarse to make it of much 
