207 
lustrate the general aspect of the plants, their seed stigmas and 
methods of vegetative propagation. American botanists owe a 
debt of thanks to Professor Trelease, for bringing order out ofa 
chaotic genus. Ne La B: 
Sap and Sugar of the Maple Tree.—The. W.D. Ely. (Gard. 
and’ For. iv. 17%) 192%: 183, 184; 207, 208). 
Notes upon the making of maple sugar by the Indians. 
Sapotacee.— Beitraege zur Kenntnis der. A. Engler. (Engler’s 
Bot. Jahrb. xii. 496-525). 
A discussion of the structure and classification of this natural 
order. A considerable number of new species are described, and 
the priority of several genera over those adopted by Bentham 
and Hooker is pointed out. The items of direct interest to 
American botanists gre as follows: Vitellaria nitidula is a new 
species from Cuba, and Lucuma Warmingit, Eichl. is referred to 
this genus; V. tenuifolia from Cuba and V. glaucophylla from 
Brazil are also new ; Poutaria Schenckii and P. crassinervia are 
new species from Brazil; Labatea ciliolata from Brazil, L. Tovar- 
ensts, from Columbia; Bumelia Mexicana and three South Amer- 
ican species of Chrysophyllum are here first described, and. 
Mimusops Siebert, Chapm., from Florida, as represented by 
Curtiss No. 1766, is separated as WZ. Floridana, Engl. N. L. B. 
Silphium laciniatum, L. B. L. Robinson. (Bot. Gaz .xvi. Pas 
115). 
A description of two apparent varieties of the species and a 
request for specimens and memoranda. 
Sisal in the Bahamas.—Cultivation of. J. 1. Northrop. (Re- 
print. Pop. Sci. Monthly, Mch. 1891; illustrated). 
A comprehensive description of Agave rigida, var. longifolia 
and A. rigida, var. Sisalina, with account of its surroundings and 
conditions connected with it. 
Solanacee from Guatemala—Some New. John M. Coulter. 
(Bot. Gaz. xvi. 144, 145). Solanum Donnell-Smithit, 
Brachistus Escuintlensis, Bassovia Donnell-Smithii are de- 
scribed as new. 
Some Early Native Flowers. ¥. 4. Horsford. (Gard. and For. 
iv. 199, 200). 
aperics under the genera Mactone, Erythronium, Trillium, 
