136 MISSOURI BOTANICAL GARDEN BULLETIN 
for a considerable part of the winter. In the vicinity of St. 
Louis, where fall and spring effects are often those chiefly 
sought in the garden, the autumn coloration of leaves, fruits, 
and stems is a matter of special interest in the planning of 
the home grounds. 
PLANTS IN THE PALM HOUSE 
Acanthophoeniz crinita. Palmae—A medium-sized palm 
of Madagascar, attaining 50-60 feet in height. The leaves 
are 13 feet long, the petiole being covered with hairs and 
the sheaths with bristles. 
Acanthophoeniz rubra. Palmae. Prickly date palm.— 
A large palm of Mascarene Islands, reaching a height of 60 
feet. The trunk and petioles of the leaves are covered with 
brownish spines. The leaves are 6-12 feet long. The plants 
are of decorative value in warm conservatories. 
Archontophoeniz Cunninghamii, Australia. 
Acanthorhiza aculeata. Palmae.—A palm of Mexico, with 
robust stems densely clothed with the bases of dead sheaths, 
spiny at base. The leaves are terminal, deeply cut, glaucous 
below. The plant is used ornamentally. 
Acanthorhiza Warscewiczii, Panama. 
Acoelorrhaphe arborescens. Palmae.—A slender palm of 
North America, with fibrous bark and palmate leaves. It is 
used to a slight extent in conservatories. 
Agathis loranthifolia. Coniferae. Dammar—A_ tree 
native to the Malay Archipelago. It grows to a great height, 
and has nearly horizontal branches producing a whorl of 
smooth, leathery leaves. The wood is said to be like cedar, 
light and wholly unfit for exposure to the weather. It gives 
a resin called dammar, which as it flows from the tree is thin 
and viscous but hardens in a few days, 
Allamanda Williamsii. Apocynaceae,—A bushy green- 
house shrub, native of South America. The leaves are long 
and narrow, usually in fours. The flowers are bright yellow, 
in continuous clusters, and fragrant. Its foliage and flowers 
make it valuable as an ornamental plant. 
Alpinia nutans. Scitamineae. Shell flower.—An_her- 
baceous plant of the East Indies, reaching a height of 12 
feet. The leaves are glabrous, long-veined. The flowers are 
orchid-like, yellow touched with pink, sweet-scented, in long 
drooping racemes. The plant is used for its fine foliage and 
