192 '-LINNEAN SOCIETY OF LONDON. 
Species of Cyperus, with remarks on some others that specially 
illustrate the subdivisions ef ca genus.” The author divides his 
memoir into three sec span :—l,a deporiphiys picket of each part 
of a Cyperus, viz., the culm, inflorescence, &c., co mparing were 
successively in all the Indian species ; 2. a discussion hs som 
difficult species and disputed genera; 38, a systematic te 
ment with descriptions of the Indian species, with short eet 
of some non-Indian spevice that more particularly illustrate oe 
subdivisions and groups. — Then followed a paper, ‘‘Notes 0 
Afghanistan Algs,”’ i ‘Dr. Jules pita toaienias, founded 2 
material derived from Surgeon-Major Stehison: 8 collection of 
plants soy Sane the Afghanistan Expedition in 1880. 
Mar H. T. Stainton, F.R.S., Vi eeadeae in tne chair. 
Be Bin: Canon Jas. Baker, Mr. Wm. Brockbank, Mr. Robt. 
Ti, au Edwd. A. 
Society.—Mr. J. ts Baker showed and made remarks on a supposed 
hybrid between the Oxlip (Primula elatior) and the Cowslip (P. veris). 
—A paper > ageom DADS nied by many drawings, ‘‘ On the Hairs occurring 
“on the Stamens of Plants,” ty Mr. Greenwood Pim, was read by 
the pelnons The author observes that, while the leaves and 
stems have had a due meed of attention paid to their hairs, the 
staminal ones, on the contrary, have not been apes —— 
though their eee are numerous. 
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cellular, simple, smooth ; Salvia, Adhatoda: (5) Ehion simple, 
runes © or striate ; Anagallis, Goldfussia, Thunbergia: (6) pl icellular 
and ne - : ' Browallia, and some forms of Salvia ‘@ pluri- 
panic ast ith ‘glandular tip; ; Oxalis, Aischynanthus, Ganaee: (8) 
mal fcelinis ; Couvolvulus, Ipomea, Lasiandra.—A paper was oe 
the Life- -History of Afcidium bellidis,’ by Mr. Chas. B. Plow 
right, and in which he gives the results of a series of experiments, 
oe the date of infection and appearance of edo. He 
differs in opinion from most of the British a continental authori- 
ties who regard the Acidium of the Daisy as a variety 0 
compositarum, while he himself demonstrates it to be a true hetero- 
cismal uredine. — A communic wa d by Mr. F. Kitton, 
“On some Diatomacea from the ialaaed of Socott, in which a num- 
meadow rom among many of both the single and double forms 
occurring there in every stage of growth. — —Mr. C. F. White read a 
short note on pollen from Mummy Garlands. Some of the drie 
charred-like phe ees and pollen of Papaver Rhwas were subjected to 
microscopical investigation, showing that the pollen-grains freely 
absorbed water, became swollen, and in other respects were e barely 
to be differentiated from the pollen- grains of the recent Hepes 
