Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.

by Charles McIlvaine; Robert K. Macadam

Exospo´rium (Gr—outside, + seed), the outer coat of a spore; same as episporium.

Exot´ic (exoticus, foreign, alien), foreign, not native.

Expan´ded (expandere, pp. expansus, spread out, < ex, out, + pandere, spread), spread out, as a pileus from convex to plane.

Ex´planate (explanatus, flattened, spread out), flattened, expanded; applied usually to a part which has been rolled or folded.

Exser´ted (exsertus, thrust out, pp. of exsere, stretch out), projecting; standing out.

Exsicca´ti (exsiccatus, pp. of exsiccare, dry up), dried specimens; especially those published in sets and distributed.

Fac´ultative (faculta(t-)s, faculty), capability, etc., having a faculty or power, but exercising it only occasionally or incidentally; optional or contingent.

Fac´ultative-Par´asite, an organism which normally lives throughout as a saprophyte, but which may also go through its course either wholly or in part as a parasite.

Fac´ultative-Sap´rophyte, an organism which normally is parasitic, but which can vegetate at certain stages as a saprophyte.

Fal´cate, Fal´ciform (falcatus, bent, curved, hooked, sickle-shaped, < falx, a sickle), hooked, curved like a scythe or sickle.