259 
Life Histories of Plants, No. vii.—Contributions to the. Thos. 
Meehan. (Proc. Acad. Nat. Sci. Phila. 1892, 160-171 reprint- 
ed). 
Interesting and suggestive notes “On the Vitality of some 
Annual Plants,” “On Self-pollination in Amsonia Tabernemon- 
tana,” “‘On a special form of Cleistogomy in Polygonum acre,” 
“On the Direction of Growth in Cryptogamic Plants,” “Tricar- 
pellary Umbellifers,” ““A Mode of Variation in Ste//aria media,” 
"On the Sexes of the Holly,” “On the Stamens of Ranunculus 
abortivus,” “On the Character of the Stamens in Ornithogalum 
umbellatum,” and ‘‘Note on Barbarea in connection with Dicho- 
gamy.” : 
Loasaceen—Die Bliithenstdnde der. 1. Urban, (Ber. Deutsch. 
Bot. Gesell. x. 220-225, t. 12). 
Loasaceen—Bliithen und Fruchtbau der. 1. Urban. (Ber. 
Deutsch. Bot. Gesell. x. 259-266, t. 14). 
Marchantia polymorpha—The Life History of. L. W. Waechter. 
(Manchester Mic. Soc. Trans. and Annual Rep. 1891, 56 
plate IIT), 3 
» Se bifora. E. Regel. (Gartenflora, t. 1341, f. 2). 
A new species from Brazil. , 
Masdevaltia leontoglossa. (Bot. Mag. t. 7245). 
Native of New Grenada. 
Masdevallia macrochila. ¥. Regel. (Garten flora, t. 1344). 
A new species from New Grenada. oe 
Missouri . Botanic Garden—The. (Am. Gard. xi. 
illustrated). AG 
Nectar of the Poinsettia—Chemical Composition of the. W.S. 
Stone. (Bot. Gaz. xvii. 192). a 
Nomenclature—On, Sereno Watson. (Bot. Gaz. xvi. 169). 
Noticias sobre la Flora de Cacahuamilpay Plantas colectadas por 
el Dr. Fernando Altamirano. M. Villada. (Mem. Soc. 
Cient. Antonio Alzate, v. 213-218). 
An account or the plants collected by Dr. Altamirano = 
Cacahuamilpa,. Mexico, with a plate of Brewerta Mexicana, om 
Soribunda, Villada, the same as published in a recent issue fe) 
Naturaleza. 
403, 
