Uniform varieties (_Homochroma_). ----------------------+---------------+----------------+--------+----------- | Column. | Tentacles. |Gonidia.| Zone. ----------------------+---------------+----------------+--------+----------- [alpha]. _Hepatica_ | red brown. | azure. | azure. | azure. [beta]. _Rubra_ | crimson. | violet. | |{wanting, [gamma]. _Chiocca_ | scarlet. | white. | |{or flesh | | | |{coloured. | | | | [delta]. _Coccinea_ | cochineal. | yellowish. | | [epsilon]. _Olivacca_ | olive-brown | azure. | azure. | | green. | | | [zeta]. _Viridis_ | green. | azure. | azure. | azure. | | | | Spotted varieties (_Heterochroma_). | | | | [eta]. _Tigrina_ |red, spotted | | | | yellow. | | | [theta]. _Fragacea_ |liver, spotted | | | | clear green. | azure or white.| |indistinct. [iota]. _Opora_ |green spotted, | | | | and striped | | | | yellow. | azure. | | ----------------------+---------------+----------------+--------+----------- In this table the varieties above mentioned are further particularized. The column is the stalk or body, the tentacles are the arms, the gonidia the eye spots, and the zone the line round the base. It will be noticed that these regions are often finely contrasted in colour. _Bunodes gemmaceus_ is another variable form, and the following varieties are recognised. _Heterochroma._ [alpha]. Ocracea, } peristome ochre yellow, zone black, tentacles grey, (type) } with blue and white spots. [beta]. _Pallida_, peristome whitish grey unbanded, tentacles with white spots. [gamma]. _Viridescens_, peristome greenish white unbanded, tentacles with white spots and rosy shades. [delta]. _Aurata_, column at base golden, peristome intenser yellow with crimson flush, tentacles grey with ochreous and white spots. [epsilon]. _Carnea_, column at base flesh coloured, peristome rosy, tentacles rosy, with white spots. _Homochroma._ [zeta]. _Rosea_, like [epsilon], but with rosy tubercles. [eta] . _Nigricans_, peristome blackish, with blue and green reflexions (riflessi). A few other examples may be given, all of which can be studied in Dr. André's magnificently coloured plates.