188 
xylonis on Erythroxylon coca from Peru and Bolivia, and Phyllosticta erythro- 
xylonis on tlie same host from Bolivia. (E. A. S.) 
(See also, Nos. 401, 402, 418, 445, 544, 588, and 597.) 
G.—USTILAGINE^E. 
(See Nos. 402,558 and 597.) 
H.— ASCOMYCETES. 
I.— Gymnoasci. 
(See No. 432, 445.) 
II.— Perisporiaccce. 
604. Ciiatin, A. Contribution a l’histoire botanique de la truffe, Kamme de Damas (Terfezia 
Claveryi). Comptes Rendus, vol. 113, Paris, Sept. 14,1891, pp. 381-384. The 
author had previously described a var. arabica of T. boudieri, and now finds a 
new species which is widely distributed. It is a remarkable species and 
represents the type of the section characterized by reticulate and non-verru- 
cose spores. The weight of the tubers averages 50 to 130 grams. (E. F. S.) 
605. Chatin, A. Contribution a 1’histoire botanique de la truffe (Quatrieme note)—Karnes de 
Bagdad (Terfezia Hafizi et Terfezia Metaxasi) et de Smyme (Terfezia leonis). Comp¬ 
tes Rendus, vol. 113, Paris, Oct. 26,1891, pp. 530-534. As in case of the Terfaz 
of Algeria, the kamd of Smyrna is eaten mixed with meat and eggs and cooked 
in butter or oil. A study of the immature spores of this species shows that 
T. boudieri is distinct, and not an immature form of T. leon is, as Tulasne con¬ 
jectured. The latter occurs also in Sicily, near Naples, and in Spain. (E. 
F.S.) 
606. Chatin, A. Contribution a 1’histoire naturelle de la truffe—Parallele entre les Terfaz ou 
Kamds (Terfezia Tirmania) d’Afrique et d’Asie et les truffes d’Europe. Comptes Ren¬ 
dus, vol. 113, Paris, Nov. 2, 1891, pp. 582-586. Discusses geographical distri¬ 
bution, climate, soil, host plants, time of maturity, depth in the soil, mode of 
gathering, culture, color, odor, taste, periderm, flesh or gelba, sporangia, 
spores, and chemical composition of truffles and terfazias. The latter are 
essentially African and Asiatic, fungi of hot climates, and are only represented 
in Southern Europe. Both prefer soils rich in lime and oxide of iron. Truf¬ 
fles grow at depths of 10-15 cm., but sometimes 40-50 cm. They rarely ap¬ 
proach so near the surface as to lift the earth, but this is common in case of 
Terfazias, which are even found, growing partly out of the soil or under 
leaves. Truffles are generally parasitic on trees; Terfazias, on under shrubs, 
such as Cystinese, or apparently even on annuals like Helianthus. Terfazias 
cover immense districts. They are gathered and dried by the Arab popula¬ 
tion, to whom they hold the same place as the potato to the Irish peasant. 
They contain less nitrogen and phosphorus than truffles, but are superior in 
this respect to potatoes. The yearly value of the Perigord truffle (Tuber 
melanosporum) exceeds 20,000,000 francs. (E.F. S.) 
607. Chatin, A. Contribution a l’histoire botanique de la truffe (Karnesde Bagdad). Rev. 
des Sci. Nat. et Appli., vol. 38, Paris, Nov. 20,1891, pp. 582-584. Brief account 
of two truffles received in 1891 from M. Metaxas, of Bagdad, and referred to 
the genus Terfezia. One is described as T. Hafizi, n. sp., and the other is 
T. Metaxasi, n. sp. The author believes this genus will be found to be rep¬ 
resented by as many species in the desert regions of Asia and Africa as is 
Tuber in the more temperate countries of Europe. (E. F. S.) 
608. Gaillard, A. Observations d’un retour a l’etat vegetatif des Peritheces dans le genre 
Meliola. Bull. Soc. Mycol. France, vol. 7, Paris, Sept. 30, 1891, pp. 151-152. 
Notes the fact that certain perithecia remain paler and smaller than others. 
These are sterile and their cells grow out into long mycelial filaments. (E, 
A. S.) 
