Among the trypsins we have the pa pain of the Papaw fruit (Carica Papaya), the bromelin of the Pine-apple, and the enzymes present in many germinating seeds, in the seedlings of several plants, and in other parts.
All the islands possess a very fertile soil; there are forests of coco-nut palms, and among the products are rice, maize, sweetpotatoes, yams, coffee, cotton, vanilla and various tropical fruits, the papaw tree being abundant.
Little of the history of the Red Karens is known; but it appears to be generally admitted that Bawlake was originally the chief state of the whole country, east and west, but eastern Karen-ni under Papaw-gyi early became the most powerful.
The principal cultivated plants, apart from sugar-cane and coffee, are rice (in great variety of kinds), the coco-nut palm, the areng palm, the areca and the sago palms, maize, yams, and sweet potatoes; and among the fruit trees are the Indian tamarind, pomegranate, guava, papaw, orange and lemon.
Among cultivated fruits are the following: - Mango (Mangifera indica), plantain (Musa paradisiaca), pine-apple (Ananassa sativa), pomegranate (Punica Granatum), guava (Psidium pomiferum and P. pyriferum), tamarind (Tamarindus indica), jack (Artocarpus integrifolia), custard-apple (Anona squamosa), papaw (Carica Papaya), shaddock (Citrus decumana), and several varieties of fig, melon, orange, lime and citron.