192 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Mesosphaerum suaveolens. MARRUBIO. 
An herbaceous climber, 1 meter high; contains an oil with a strong odor. 
Grows in sandy soil. (Stahl, 6: 196, as Hyptis suaveolens.) 
Mesquit. See Prosopis juliflora. 
Metastelma. 
A genus of climbing milkweeds represented in Porto Rico by numerous species. 
(Urban, Symb. 1: 245, a monograph.) 
Miconia. See Tamonea. 
Micropholis chrysophylloides. 
Family Sapotaceae; reported from near Adjuntas. 
Micropholis garciniaefolia. 
From Sierra de Luquillo. | 
Micropholis portoricensis curvata. | 
From near Adjuntas. 
Micropholis portoricensis mesnaefolia. 
From near Pefiuelas. 
Micropholis urbani. 
From Sierra de Naguabo. 
Mignonette tree. See Lawsonia inermis. 
Mikania. See Willughbaeya. 
Millet. See Panicum. 
Millo. See Andropogon. 
The seeds of a millet were on sale in small quantities in the market of Ponce. 
and are said to be used in the preparation of a sort of flour and in sweets. 
Mimosa ceratonia. ZARZA. 
Family Mimosaceae; a vine-like shrub, 2 to 5 meters high, found in waste 
places. (Stahl, 3: 143.) 
Mimosa pudica. Morivivi. SENSITIVE PLANT. 
A branching perennial, 2 to 5 feet (0.6 to 1.8 meters) high. The sensitive 
plant of greenhouses; an extremely common weed along roadsides and in waste 
places generally. (Stahl, 3: 142.) 
Mimusops globosa. SApoTe DE COSTA. 
Family Sapotaceae; a shrub, 3 to 4 meters high, growing in shaded situations 
along the sea coast. (Stahl, 6: 54.) 
Mimusops pleeana. 
From Manati. 
Mimusops riedliana. 
From Yabucoa. 
Mirabilis jalapa. Four o’cLock. MARAVILLA. 
The well-known garden flower said to be called **siciliana’’ in Porto Rico, 
where it is cultivated and has also become naturalized as a weed in open places. 
It is a native of Mexico. (Urban, Add. 3: 304.) 
Mistletoe. 
The true mistletoe, Viscwm album of Europe, does not occur in West Indies, but 
there are numerous related parasites belonging to the family Loranthaceae and now 
referred to the genera Dendropremon, Dendrophthora, Phoradendron, and others. 
Moca. See Andira inermis. 
Moca acatera. 
A tree from the northeastern part of the island; height, 25 to 30 feet (7 to 9 
meters); diameter, 15 to 20 inches (37 to 50 centimeters). Wood yellowish, hard; 
specific gravity, 0.993; used for cabinetwork. (Exp. 1857.) 
